mirror of
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powerpc fixes for 4.8 #3
- powerpc/vdso: Fix build rules to rebuild vdsos correctly from Nicholas Piggin - powerpc/ptrace: Fix coredump since ptrace TM changes from Cyril Bur - powerpc/32: Fix csum_partial_copy_generic() from Christophe Leroy - cxl: Set psl_fir_cntl to production environment value from Frederic Barrat - powerpc/eeh: Switch to conventional PCI address output in EEH log from Guilherme G. Piccoli - cxl: Use fixed width predefined types in data structure. from Philippe Bergheaud - powerpc/vdso: Add missing include file from Guenter Roeck - powerpc: Fix unused function warning 'lmb_to_memblock' from Alastair D'Silva - powerpc/powernv/ioda: Fix TCE invalidate to work in real mode again from Alexey Kardashevskiy - powerpc/cell: Add missing error code in spufs_mkgang() from Dan Carpenter - crypto: crc32c-vpmsum - Convert to CPU feature based module autoloading from Anton Blanchard - powerpc/pasemi: Fix coherent_dma_mask for dma engine from Darren Stevens Benjamin Herrenschmidt: - powerpc/32: Fix crash during static key init - powerpc: Update obsolete comment in setup_32.c about early_init() - powerpc: Print the kernel load address at the end of prom_init() - powerpc/pnv/pci: Fix incorrect PE reservation attempt on some 64-bit BARs - powerpc/xics: Properly set Edge/Level type and enable resend Mahesh Salgaonkar: - powerpc/book3s: Fix MCE console messages for unrecoverable MCE. - powerpc/powernv: Fix MCE handler to avoid trashing CR0/CR1 registers. - powerpc/powernv: Move IDLE_STATE_ENTER_SEQ macro to cpuidle.h - powerpc/powernv: Load correct TOC pointer while waking up from winkle. Andrew Donnellan: - cxl: Fix sparse warnings - cxl: Fix NULL dereference in cxl_context_init() on PowerVM guests Michael Ellerman: - selftests/powerpc: Specify we expect to build with std=gnu99 - powerpc/Makefile: Use cflags-y/aflags-y for setting endian options - powerpc/pci: Fix endian bug in fixed PHB numbering -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAABAgAGBQJXrZFAAAoJEFHr6jzI4aWAxacQALPfu/kbKJFhwX8dnbzaCwHe 1bTZHE4bkkxfS5JrghbiLZHUeoCZucDhGGlZSPOEb5VA9lkEX3OJJRQDng754Pit u3pwt0SLmAxBn9BgTZy/5g5U6KMGptzJcSsKVEtZs17PKpqhPNELMm5EmGhJmNHH Ksycw4FhVrsjDm5n7s4IqUhsh0Z9QPOOxxb5rVgdBBxmLHz5a1FJSSCFan5WW3PT QNiMfg58NdBBOFbDQJWLiWXrfPPUMhXfPxHGGArXPEsa+7l5yXaygCSv5KyUBJMt sDxn6XZMuYzzvg4j8uc9mkDWNWiyxcxBJ6+/Hm5xf9vvpxzHAM1M8j9xqpaCHjeg b0fsWqVeLD+DuAVqh6rUgUERbsfUtuKXRSB+NR0hHWd7GLx707FIr3i1AAvjDODC qwcZg9mkcAbKAIOAmsk9aAB60jl7aENiz+bTvLYMHDhIbb+st94jajdaG7MSVn5z M9FFbRKmRHTW0Qoop1VuseyO9C+Lmb+ksIhBHeYaNDaJ5lzk0NwJltCNd4ybnL6h i+AFxuhN0uyT6OJOPqTR07+9p+k04LOSYPZR34rclKQ3Z+sQiYQAmwLMHasN6uBk dZxJUxmeio5J/0BXLGKLYFnaNpHnq3EQm9vdt6spn1kidmm+bOeICB8UW8AairqC 8HasF1QrjZihmoBoXgul =gw2z -----END PGP SIGNATURE----- Merge tag 'powerpc-4.8-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux Pull powerpc fixes from Michael Ellerman: "Some powerpc fixes for 4.8: Misc: - powerpc/vdso: Fix build rules to rebuild vdsos correctly from Nicholas Piggin - powerpc/ptrace: Fix coredump since ptrace TM changes from Cyril Bur - powerpc/32: Fix csum_partial_copy_generic() from Christophe Leroy - cxl: Set psl_fir_cntl to production environment value from Frederic Barrat - powerpc/eeh: Switch to conventional PCI address output in EEH log from Guilherme G. Piccoli - cxl: Use fixed width predefined types in data structure. from Philippe Bergheaud - powerpc/vdso: Add missing include file from Guenter Roeck - powerpc: Fix unused function warning 'lmb_to_memblock' from Alastair D'Silva - powerpc/powernv/ioda: Fix TCE invalidate to work in real mode again from Alexey Kardashevskiy - powerpc/cell: Add missing error code in spufs_mkgang() from Dan Carpenter - crypto: crc32c-vpmsum - Convert to CPU feature based module autoloading from Anton Blanchard - powerpc/pasemi: Fix coherent_dma_mask for dma engine from Darren Stevens Benjamin Herrenschmidt: - powerpc/32: Fix crash during static key init - powerpc: Update obsolete comment in setup_32.c about early_init() - powerpc: Print the kernel load address at the end of prom_init() - powerpc/pnv/pci: Fix incorrect PE reservation attempt on some 64-bit BARs - powerpc/xics: Properly set Edge/Level type and enable resend Mahesh Salgaonkar: - powerpc/book3s: Fix MCE console messages for unrecoverable MCE. - powerpc/powernv: Fix MCE handler to avoid trashing CR0/CR1 registers. - powerpc/powernv: Move IDLE_STATE_ENTER_SEQ macro to cpuidle.h - powerpc/powernv: Load correct TOC pointer while waking up from winkle. Andrew Donnellan: - cxl: Fix sparse warnings - cxl: Fix NULL dereference in cxl_context_init() on PowerVM guests Michael Ellerman: - selftests/powerpc: Specify we expect to build with std=gnu99 - powerpc/Makefile: Use cflags-y/aflags-y for setting endian options - powerpc/pci: Fix endian bug in fixed PHB numbering" * tag 'powerpc-4.8-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (26 commits) selftests/powerpc: Specify we expect to build with std=gnu99 powerpc/vdso: Fix build rules to rebuild vdsos correctly powerpc/Makefile: Use cflags-y/aflags-y for setting endian options powerpc/32: Fix crash during static key init powerpc: Update obsolete comment in setup_32.c about early_init() powerpc: Print the kernel load address at the end of prom_init() powerpc/ptrace: Fix coredump since ptrace TM changes powerpc/32: Fix csum_partial_copy_generic() cxl: Set psl_fir_cntl to production environment value powerpc/pnv/pci: Fix incorrect PE reservation attempt on some 64-bit BARs powerpc/book3s: Fix MCE console messages for unrecoverable MCE. powerpc/pci: Fix endian bug in fixed PHB numbering powerpc/eeh: Switch to conventional PCI address output in EEH log cxl: Fix sparse warnings cxl: Fix NULL dereference in cxl_context_init() on PowerVM guests cxl: Use fixed width predefined types in data structure. powerpc/vdso: Add missing include file powerpc: Fix unused function warning 'lmb_to_memblock' powerpc/powernv: Fix MCE handler to avoid trashing CR0/CR1 registers. powerpc/powernv: Move IDLE_STATE_ENTER_SEQ macro to cpuidle.h ...
This commit is contained in:
Linus Torvalds
commit
8766dc68d1
@ -66,29 +66,28 @@ endif
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UTS_MACHINE := $(OLDARCH)
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ifeq ($(CONFIG_CPU_LITTLE_ENDIAN),y)
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override CC += -mlittle-endian
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ifneq ($(cc-name),clang)
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override CC += -mno-strict-align
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endif
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override AS += -mlittle-endian
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override LD += -EL
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override CROSS32CC += -mlittle-endian
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override CROSS32AS += -mlittle-endian
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LDEMULATION := lppc
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GNUTARGET := powerpcle
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MULTIPLEWORD := -mno-multiple
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KBUILD_CFLAGS_MODULE += $(call cc-option,-mno-save-toc-indirect)
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else
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ifeq ($(call cc-option-yn,-mbig-endian),y)
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override CC += -mbig-endian
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override AS += -mbig-endian
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endif
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override LD += -EB
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LDEMULATION := ppc
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GNUTARGET := powerpc
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MULTIPLEWORD := -mmultiple
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endif
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cflags-$(CONFIG_CPU_BIG_ENDIAN) += $(call cc-option,-mbig-endian)
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cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -mlittle-endian
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ifneq ($(cc-name),clang)
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cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -mno-strict-align
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endif
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aflags-$(CONFIG_CPU_BIG_ENDIAN) += $(call cc-option,-mbig-endian)
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aflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -mlittle-endian
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ifeq ($(HAS_BIARCH),y)
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override AS += -a$(CONFIG_WORD_SIZE)
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override LD += -m elf$(CONFIG_WORD_SIZE)$(LDEMULATION)
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@ -232,6 +231,9 @@ cpu-as-$(CONFIG_E200) += -Wa,-me200
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KBUILD_AFLAGS += $(cpu-as-y)
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KBUILD_CFLAGS += $(cpu-as-y)
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KBUILD_AFLAGS += $(aflags-y)
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KBUILD_CFLAGS += $(cflags-y)
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head-y := arch/powerpc/kernel/head_$(CONFIG_WORD_SIZE).o
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head-$(CONFIG_8xx) := arch/powerpc/kernel/head_8xx.o
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head-$(CONFIG_40x) := arch/powerpc/kernel/head_40x.o
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@ -4,6 +4,7 @@
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#include <linux/module.h>
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#include <linux/string.h>
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#include <linux/kernel.h>
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#include <linux/cpufeature.h>
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#include <asm/switch_to.h>
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#define CHKSUM_BLOCK_SIZE 1
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@ -157,7 +158,7 @@ static void __exit crc32c_vpmsum_mod_fini(void)
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crypto_unregister_shash(&alg);
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}
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module_init(crc32c_vpmsum_mod_init);
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module_cpu_feature_match(PPC_MODULE_FEATURE_VEC_CRYPTO, crc32c_vpmsum_mod_init);
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module_exit(crc32c_vpmsum_mod_fini);
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MODULE_AUTHOR("Anton Blanchard <anton@samba.org>");
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@ -19,4 +19,17 @@ extern u64 pnv_first_deep_stop_state;
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#endif
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/* Idle state entry routines */
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#ifdef CONFIG_PPC_P7_NAP
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#define IDLE_STATE_ENTER_SEQ(IDLE_INST) \
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/* Magic NAP/SLEEP/WINKLE mode enter sequence */ \
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std r0,0(r1); \
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ptesync; \
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ld r0,0(r1); \
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1: cmp cr0,r0,r0; \
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bne 1b; \
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IDLE_INST; \
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b .
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#endif /* CONFIG_PPC_P7_NAP */
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#endif
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@ -186,6 +186,7 @@ label##3: \
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#ifndef __ASSEMBLY__
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void apply_feature_fixups(void);
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void setup_feature_keys(void);
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#endif
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#endif /* __ASM_POWERPC_FEATURE_FIXUPS_H */
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@ -75,14 +75,6 @@ static inline void disable_kernel_spe(void)
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static inline void __giveup_spe(struct task_struct *t) { }
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#endif
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#ifdef CONFIG_PPC_TRANSACTIONAL_MEM
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extern void flush_tmregs_to_thread(struct task_struct *);
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#else
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static inline void flush_tmregs_to_thread(struct task_struct *t)
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{
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}
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#endif
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static inline void clear_task_ebb(struct task_struct *t)
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{
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#ifdef CONFIG_PPC_BOOK3S_64
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@ -159,6 +159,8 @@ extern void xics_teardown_cpu(void);
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extern void xics_kexec_teardown_cpu(int secondary);
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extern void xics_migrate_irqs_away(void);
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extern void icp_native_eoi(struct irq_data *d);
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extern int xics_set_irq_type(struct irq_data *d, unsigned int flow_type);
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extern int xics_retrigger(struct irq_data *data);
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#ifdef CONFIG_SMP
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extern int xics_get_irq_server(unsigned int virq, const struct cpumask *cpumask,
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unsigned int strict_check);
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@ -168,10 +168,10 @@ static size_t eeh_dump_dev_log(struct eeh_dev *edev, char *buf, size_t len)
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int n = 0, l = 0;
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char buffer[128];
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n += scnprintf(buf+n, len-n, "%04x:%02x:%02x:%01x\n",
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n += scnprintf(buf+n, len-n, "%04x:%02x:%02x.%01x\n",
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edev->phb->global_number, pdn->busno,
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PCI_SLOT(pdn->devfn), PCI_FUNC(pdn->devfn));
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pr_warn("EEH: of node=%04x:%02x:%02x:%01x\n",
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pr_warn("EEH: of node=%04x:%02x:%02x.%01x\n",
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edev->phb->global_number, pdn->busno,
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PCI_SLOT(pdn->devfn), PCI_FUNC(pdn->devfn));
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@ -144,29 +144,14 @@ machine_check_pSeries_1:
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* vector
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*/
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SET_SCRATCH0(r13) /* save r13 */
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#ifdef CONFIG_PPC_P7_NAP
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BEGIN_FTR_SECTION
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/* Running native on arch 2.06 or later, check if we are
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* waking up from nap. We only handle no state loss and
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* supervisor state loss. We do -not- handle hypervisor
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* state loss at this time.
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/*
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* Running native on arch 2.06 or later, we may wakeup from winkle
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* inside machine check. If yes, then last bit of HSPGR0 would be set
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* to 1. Hence clear it unconditionally.
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*/
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mfspr r13,SPRN_SRR1
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rlwinm. r13,r13,47-31,30,31
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OPT_GET_SPR(r13, SPRN_CFAR, CPU_FTR_CFAR)
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beq 9f
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mfspr r13,SPRN_SRR1
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rlwinm. r13,r13,47-31,30,31
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/* waking up from powersave (nap) state */
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cmpwi cr1,r13,2
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/* Total loss of HV state is fatal. let's just stay stuck here */
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OPT_GET_SPR(r13, SPRN_CFAR, CPU_FTR_CFAR)
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bgt cr1,.
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9:
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OPT_SET_SPR(r13, SPRN_CFAR, CPU_FTR_CFAR)
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END_FTR_SECTION_IFSET(CPU_FTR_HVMODE | CPU_FTR_ARCH_206)
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#endif /* CONFIG_PPC_P7_NAP */
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GET_PACA(r13)
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clrrdi r13,r13,1
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SET_PACA(r13)
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EXCEPTION_PROLOG_0(PACA_EXMC)
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BEGIN_FTR_SECTION
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b machine_check_powernv_early
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@ -1273,25 +1258,51 @@ machine_check_handle_early:
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* Check if thread was in power saving mode. We come here when any
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* of the following is true:
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* a. thread wasn't in power saving mode
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* b. thread was in power saving mode with no state loss or
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* supervisor state loss
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* b. thread was in power saving mode with no state loss,
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* supervisor state loss or hypervisor state loss.
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*
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* Go back to nap again if (b) is true.
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* Go back to nap/sleep/winkle mode again if (b) is true.
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*/
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rlwinm. r11,r12,47-31,30,31 /* Was it in power saving mode? */
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beq 4f /* No, it wasn;t */
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/* Thread was in power saving mode. Go back to nap again. */
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cmpwi r11,2
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bne 3f
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/* Supervisor state loss */
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blt 3f
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/* Supervisor/Hypervisor state loss */
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li r0,1
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stb r0,PACA_NAPSTATELOST(r13)
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3: bl machine_check_queue_event
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MACHINE_CHECK_HANDLER_WINDUP
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GET_PACA(r13)
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ld r1,PACAR1(r13)
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li r3,PNV_THREAD_NAP
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b pnv_enter_arch207_idle_mode
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/*
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* Check what idle state this CPU was in and go back to same mode
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* again.
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*/
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lbz r3,PACA_THREAD_IDLE_STATE(r13)
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cmpwi r3,PNV_THREAD_NAP
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bgt 10f
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IDLE_STATE_ENTER_SEQ(PPC_NAP)
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/* No return */
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10:
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cmpwi r3,PNV_THREAD_SLEEP
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bgt 2f
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IDLE_STATE_ENTER_SEQ(PPC_SLEEP)
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/* No return */
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2:
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/*
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* Go back to winkle. Please note that this thread was woken up in
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* machine check from winkle and have not restored the per-subcore
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* state. Hence before going back to winkle, set last bit of HSPGR0
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* to 1. This will make sure that if this thread gets woken up
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* again at reset vector 0x100 then it will get chance to restore
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* the subcore state.
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*/
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ori r13,r13,1
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SET_PACA(r13)
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IDLE_STATE_ENTER_SEQ(PPC_WINKLE)
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/* No return */
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4:
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#endif
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/*
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@ -44,18 +44,6 @@
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PSSCR_PSLL_MASK | PSSCR_TR_MASK | \
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PSSCR_MTL_MASK
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/* Idle state entry routines */
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#define IDLE_STATE_ENTER_SEQ(IDLE_INST) \
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/* Magic NAP/SLEEP/WINKLE mode enter sequence */ \
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std r0,0(r1); \
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ptesync; \
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ld r0,0(r1); \
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1: cmp cr0,r0,r0; \
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bne 1b; \
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IDLE_INST; \
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b .
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.text
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/*
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@ -363,8 +351,8 @@ _GLOBAL(power9_idle_stop)
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* cr3 - set to gt if waking up with partial/complete hypervisor state loss
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*/
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_GLOBAL(pnv_restore_hyp_resource)
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ld r2,PACATOC(r13);
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BEGIN_FTR_SECTION
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ld r2,PACATOC(r13);
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/*
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* POWER ISA 3. Use PSSCR to determine if we
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* are waking up from deep idle state
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@ -395,6 +383,9 @@ END_FTR_SECTION_IFSET(CPU_FTR_ARCH_300)
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*/
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clrldi r5,r13,63
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clrrdi r13,r13,1
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/* Now that we are sure r13 is corrected, load TOC */
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ld r2,PACATOC(r13);
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cmpwi cr4,r5,1
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mtspr SPRN_HSPRG0,r13
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@ -92,7 +92,8 @@ void save_mce_event(struct pt_regs *regs, long handled,
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mce->in_use = 1;
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mce->initiator = MCE_INITIATOR_CPU;
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if (handled)
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/* Mark it recovered if we have handled it and MSR(RI=1). */
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if (handled && (regs->msr & MSR_RI))
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mce->disposition = MCE_DISPOSITION_RECOVERED;
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else
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mce->disposition = MCE_DISPOSITION_NOT_RECOVERED;
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@ -78,6 +78,7 @@ EXPORT_SYMBOL(get_pci_dma_ops);
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static int get_phb_number(struct device_node *dn)
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{
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int ret, phb_id = -1;
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u32 prop_32;
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u64 prop;
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|
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/*
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@ -86,8 +87,10 @@ static int get_phb_number(struct device_node *dn)
|
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* reading "ibm,opal-phbid", only present in OPAL environment.
|
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*/
|
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ret = of_property_read_u64(dn, "ibm,opal-phbid", &prop);
|
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if (ret)
|
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ret = of_property_read_u32_index(dn, "reg", 1, (u32 *)&prop);
|
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if (ret) {
|
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ret = of_property_read_u32_index(dn, "reg", 1, &prop_32);
|
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prop = prop_32;
|
||||
}
|
||||
|
||||
if (!ret)
|
||||
phb_id = (int)(prop & (MAX_PHBS - 1));
|
||||
|
||||
@ -1074,26 +1074,6 @@ static inline void restore_sprs(struct thread_struct *old_thread,
|
||||
#endif
|
||||
}
|
||||
|
||||
#ifdef CONFIG_PPC_TRANSACTIONAL_MEM
|
||||
void flush_tmregs_to_thread(struct task_struct *tsk)
|
||||
{
|
||||
/*
|
||||
* Process self tracing is not yet supported through
|
||||
* ptrace interface. Ptrace generic code should have
|
||||
* prevented this from happening in the first place.
|
||||
* Warn once here with the message, if some how it
|
||||
* is attempted.
|
||||
*/
|
||||
WARN_ONCE(tsk == current,
|
||||
"Not expecting ptrace on self: TM regs may be incorrect\n");
|
||||
|
||||
/*
|
||||
* If task is not current, it should have been flushed
|
||||
* already to it's thread_struct during __switch_to().
|
||||
*/
|
||||
}
|
||||
#endif
|
||||
|
||||
struct task_struct *__switch_to(struct task_struct *prev,
|
||||
struct task_struct *new)
|
||||
{
|
||||
|
||||
@ -2940,7 +2940,7 @@ unsigned long __init prom_init(unsigned long r3, unsigned long r4,
|
||||
|
||||
/* Don't print anything after quiesce under OPAL, it crashes OFW */
|
||||
if (of_platform != PLATFORM_OPAL) {
|
||||
prom_printf("Booting Linux via __start() ...\n");
|
||||
prom_printf("Booting Linux via __start() @ 0x%lx ...\n", kbase);
|
||||
prom_debug("->dt_header_start=0x%x\n", hdr);
|
||||
}
|
||||
|
||||
|
||||
@ -38,6 +38,7 @@
|
||||
#include <asm/page.h>
|
||||
#include <asm/pgtable.h>
|
||||
#include <asm/switch_to.h>
|
||||
#include <asm/tm.h>
|
||||
|
||||
#define CREATE_TRACE_POINTS
|
||||
#include <trace/events/syscalls.h>
|
||||
@ -118,6 +119,24 @@ static const struct pt_regs_offset regoffset_table[] = {
|
||||
REG_OFFSET_END,
|
||||
};
|
||||
|
||||
#ifdef CONFIG_PPC_TRANSACTIONAL_MEM
|
||||
static void flush_tmregs_to_thread(struct task_struct *tsk)
|
||||
{
|
||||
/*
|
||||
* If task is not current, it will have been flushed already to
|
||||
* it's thread_struct during __switch_to().
|
||||
*
|
||||
* A reclaim flushes ALL the state.
|
||||
*/
|
||||
|
||||
if (tsk == current && MSR_TM_SUSPENDED(mfmsr()))
|
||||
tm_reclaim_current(TM_CAUSE_SIGNAL);
|
||||
|
||||
}
|
||||
#else
|
||||
static inline void flush_tmregs_to_thread(struct task_struct *tsk) { }
|
||||
#endif
|
||||
|
||||
/**
|
||||
* regs_query_register_offset() - query register offset from its name
|
||||
* @name: the name of a register
|
||||
|
||||
@ -93,15 +93,16 @@ notrace unsigned long __init early_init(unsigned long dt_ptr)
|
||||
* and we are running with enough of the MMU enabled to have our
|
||||
* proper kernel virtual addresses
|
||||
*
|
||||
* Find out what kind of machine we're on and save any data we need
|
||||
* from the early boot process (devtree is copied on pmac by prom_init()).
|
||||
* This is called very early on the boot process, after a minimal
|
||||
* MMU environment has been set up but before MMU_init is called.
|
||||
* We do the initial parsing of the flat device-tree and prepares
|
||||
* for the MMU to be fully initialized.
|
||||
*/
|
||||
extern unsigned int memset_nocache_branch; /* Insn to be replaced by NOP */
|
||||
|
||||
notrace void __init machine_init(u64 dt_ptr)
|
||||
{
|
||||
/* Configure static keys first, now that we're relocated. */
|
||||
setup_feature_keys();
|
||||
|
||||
/* Enable early debugging if any specified (see udbg.h) */
|
||||
udbg_early_init();
|
||||
|
||||
|
||||
@ -300,6 +300,7 @@ void __init early_setup(unsigned long dt_ptr)
|
||||
|
||||
/* Apply all the dynamic patching */
|
||||
apply_feature_fixups();
|
||||
setup_feature_keys();
|
||||
|
||||
/* Initialize the hash table or TLB handling */
|
||||
early_init_mmu();
|
||||
|
||||
@ -22,6 +22,7 @@
|
||||
#include <linux/security.h>
|
||||
#include <linux/memblock.h>
|
||||
|
||||
#include <asm/cpu_has_feature.h>
|
||||
#include <asm/pgtable.h>
|
||||
#include <asm/processor.h>
|
||||
#include <asm/mmu.h>
|
||||
|
||||
@ -30,7 +30,7 @@ CPPFLAGS_vdso32.lds += -P -C -Upowerpc
|
||||
$(obj)/vdso32_wrapper.o : $(obj)/vdso32.so
|
||||
|
||||
# link rule for the .so file, .lds has to be first
|
||||
$(obj)/vdso32.so.dbg: $(src)/vdso32.lds $(obj-vdso32)
|
||||
$(obj)/vdso32.so.dbg: $(src)/vdso32.lds $(obj-vdso32) FORCE
|
||||
$(call if_changed,vdso32ld)
|
||||
|
||||
# strip rule for the .so file
|
||||
@ -39,12 +39,12 @@ $(obj)/%.so: $(obj)/%.so.dbg FORCE
|
||||
$(call if_changed,objcopy)
|
||||
|
||||
# assembly rules for the .S files
|
||||
$(obj-vdso32): %.o: %.S
|
||||
$(obj-vdso32): %.o: %.S FORCE
|
||||
$(call if_changed_dep,vdso32as)
|
||||
|
||||
# actual build commands
|
||||
quiet_cmd_vdso32ld = VDSO32L $@
|
||||
cmd_vdso32ld = $(CROSS32CC) $(c_flags) -Wl,-T $^ -o $@
|
||||
cmd_vdso32ld = $(CROSS32CC) $(c_flags) -o $@ -Wl,-T$(filter %.lds,$^) $(filter %.o,$^)
|
||||
quiet_cmd_vdso32as = VDSO32A $@
|
||||
cmd_vdso32as = $(CROSS32CC) $(a_flags) -c -o $@ $<
|
||||
|
||||
|
||||
@ -23,7 +23,7 @@ CPPFLAGS_vdso64.lds += -P -C -U$(ARCH)
|
||||
$(obj)/vdso64_wrapper.o : $(obj)/vdso64.so
|
||||
|
||||
# link rule for the .so file, .lds has to be first
|
||||
$(obj)/vdso64.so.dbg: $(src)/vdso64.lds $(obj-vdso64)
|
||||
$(obj)/vdso64.so.dbg: $(src)/vdso64.lds $(obj-vdso64) FORCE
|
||||
$(call if_changed,vdso64ld)
|
||||
|
||||
# strip rule for the .so file
|
||||
@ -32,12 +32,12 @@ $(obj)/%.so: $(obj)/%.so.dbg FORCE
|
||||
$(call if_changed,objcopy)
|
||||
|
||||
# assembly rules for the .S files
|
||||
$(obj-vdso64): %.o: %.S
|
||||
$(obj-vdso64): %.o: %.S FORCE
|
||||
$(call if_changed_dep,vdso64as)
|
||||
|
||||
# actual build commands
|
||||
quiet_cmd_vdso64ld = VDSO64L $@
|
||||
cmd_vdso64ld = $(CC) $(c_flags) -Wl,-T $^ -o $@
|
||||
cmd_vdso64ld = $(CC) $(c_flags) -o $@ -Wl,-T$(filter %.lds,$^) $(filter %.o,$^)
|
||||
quiet_cmd_vdso64as = VDSO64A $@
|
||||
cmd_vdso64as = $(CC) $(a_flags) -c -o $@ $<
|
||||
|
||||
|
||||
@ -127,8 +127,9 @@ _GLOBAL(csum_partial_copy_generic)
|
||||
stw r7,12(r1)
|
||||
stw r8,8(r1)
|
||||
|
||||
andi. r0,r4,1 /* is destination address even ? */
|
||||
cmplwi cr7,r0,0
|
||||
rlwinm r0,r4,3,0x8
|
||||
rlwnm r6,r6,r0,0,31 /* odd destination address: rotate one byte */
|
||||
cmplwi cr7,r0,0 /* is destination address even ? */
|
||||
addic r12,r6,0
|
||||
addi r6,r4,-4
|
||||
neg r0,r4
|
||||
@ -237,7 +238,7 @@ _GLOBAL(csum_partial_copy_generic)
|
||||
66: addze r3,r12
|
||||
addi r1,r1,16
|
||||
beqlr+ cr7
|
||||
rlwinm r3,r3,8,0,31 /* swap bytes for odd destination */
|
||||
rlwinm r3,r3,8,0,31 /* odd destination address: rotate one byte */
|
||||
blr
|
||||
|
||||
/* read fault */
|
||||
|
||||
@ -188,7 +188,10 @@ void __init apply_feature_fixups(void)
|
||||
&__start___fw_ftr_fixup, &__stop___fw_ftr_fixup);
|
||||
#endif
|
||||
do_final_fixups();
|
||||
}
|
||||
|
||||
void __init setup_feature_keys(void)
|
||||
{
|
||||
/*
|
||||
* Initialise jump label. This causes all the cpu/mmu_has_feature()
|
||||
* checks to take on their correct polarity based on the current set of
|
||||
|
||||
@ -496,8 +496,10 @@ spufs_mkgang(struct inode *dir, struct dentry *dentry, umode_t mode)
|
||||
gang = alloc_spu_gang();
|
||||
SPUFS_I(inode)->i_ctx = NULL;
|
||||
SPUFS_I(inode)->i_gang = gang;
|
||||
if (!gang)
|
||||
if (!gang) {
|
||||
ret = -ENOMEM;
|
||||
goto out_iput;
|
||||
}
|
||||
|
||||
inode->i_op = &simple_dir_inode_operations;
|
||||
inode->i_fop = &simple_dir_operations;
|
||||
|
||||
@ -187,6 +187,11 @@ static void pci_dma_dev_setup_pasemi(struct pci_dev *dev)
|
||||
if (dev->vendor == 0x1959 && dev->device == 0xa007 &&
|
||||
!firmware_has_feature(FW_FEATURE_LPAR)) {
|
||||
dev->dev.archdata.dma_ops = &dma_direct_ops;
|
||||
/*
|
||||
* Set the coherent DMA mask to prevent the iommu
|
||||
* being used unnecessarily
|
||||
*/
|
||||
dev->dev.coherent_dma_mask = DMA_BIT_MASK(44);
|
||||
return;
|
||||
}
|
||||
#endif
|
||||
|
||||
@ -228,7 +228,8 @@ int __init opal_event_init(void)
|
||||
}
|
||||
|
||||
/* Install interrupt handler */
|
||||
rc = request_irq(virq, opal_interrupt, 0, "opal", NULL);
|
||||
rc = request_irq(virq, opal_interrupt, IRQF_TRIGGER_LOW,
|
||||
"opal", NULL);
|
||||
if (rc) {
|
||||
irq_dispose_mapping(virq);
|
||||
pr_warn("Error %d requesting irq %d (0x%x)\n",
|
||||
|
||||
@ -399,6 +399,7 @@ static int opal_recover_mce(struct pt_regs *regs,
|
||||
|
||||
if (!(regs->msr & MSR_RI)) {
|
||||
/* If MSR_RI isn't set, we cannot recover */
|
||||
pr_err("Machine check interrupt unrecoverable: MSR(RI=0)\n");
|
||||
recovered = 0;
|
||||
} else if (evt->disposition == MCE_DISPOSITION_RECOVERED) {
|
||||
/* Platform corrected itself */
|
||||
|
||||
@ -111,10 +111,17 @@ static int __init iommu_setup(char *str)
|
||||
}
|
||||
early_param("iommu", iommu_setup);
|
||||
|
||||
static inline bool pnv_pci_is_mem_pref_64(unsigned long flags)
|
||||
static inline bool pnv_pci_is_m64(struct pnv_phb *phb, struct resource *r)
|
||||
{
|
||||
return ((flags & (IORESOURCE_MEM_64 | IORESOURCE_PREFETCH)) ==
|
||||
(IORESOURCE_MEM_64 | IORESOURCE_PREFETCH));
|
||||
/*
|
||||
* WARNING: We cannot rely on the resource flags. The Linux PCI
|
||||
* allocation code sometimes decides to put a 64-bit prefetchable
|
||||
* BAR in the 32-bit window, so we have to compare the addresses.
|
||||
*
|
||||
* For simplicity we only test resource start.
|
||||
*/
|
||||
return (r->start >= phb->ioda.m64_base &&
|
||||
r->start < (phb->ioda.m64_base + phb->ioda.m64_size));
|
||||
}
|
||||
|
||||
static struct pnv_ioda_pe *pnv_ioda_init_pe(struct pnv_phb *phb, int pe_no)
|
||||
@ -229,7 +236,7 @@ static void pnv_ioda_reserve_dev_m64_pe(struct pci_dev *pdev,
|
||||
sgsz = phb->ioda.m64_segsize;
|
||||
for (i = 0; i <= PCI_ROM_RESOURCE; i++) {
|
||||
r = &pdev->resource[i];
|
||||
if (!r->parent || !pnv_pci_is_mem_pref_64(r->flags))
|
||||
if (!r->parent || !pnv_pci_is_m64(phb, r))
|
||||
continue;
|
||||
|
||||
start = _ALIGN_DOWN(r->start - base, sgsz);
|
||||
@ -1877,7 +1884,7 @@ static void pnv_pci_phb3_tce_invalidate(struct pnv_ioda_pe *pe, bool rm,
|
||||
unsigned shift, unsigned long index,
|
||||
unsigned long npages)
|
||||
{
|
||||
__be64 __iomem *invalidate = pnv_ioda_get_inval_reg(pe->phb, false);
|
||||
__be64 __iomem *invalidate = pnv_ioda_get_inval_reg(pe->phb, rm);
|
||||
unsigned long start, end, inc;
|
||||
|
||||
/* We'll invalidate DMA address in PE scope */
|
||||
@ -2863,7 +2870,7 @@ static void pnv_pci_ioda_fixup_iov_resources(struct pci_dev *pdev)
|
||||
res = &pdev->resource[i + PCI_IOV_RESOURCES];
|
||||
if (!res->flags || res->parent)
|
||||
continue;
|
||||
if (!pnv_pci_is_mem_pref_64(res->flags)) {
|
||||
if (!pnv_pci_is_m64(phb, res)) {
|
||||
dev_warn(&pdev->dev, "Don't support SR-IOV with"
|
||||
" non M64 VF BAR%d: %pR. \n",
|
||||
i, res);
|
||||
@ -2958,7 +2965,7 @@ static void pnv_ioda_setup_pe_res(struct pnv_ioda_pe *pe,
|
||||
index++;
|
||||
}
|
||||
} else if ((res->flags & IORESOURCE_MEM) &&
|
||||
!pnv_pci_is_mem_pref_64(res->flags)) {
|
||||
!pnv_pci_is_m64(phb, res)) {
|
||||
region.start = res->start -
|
||||
phb->hose->mem_offset[0] -
|
||||
phb->ioda.m32_pci_base;
|
||||
@ -3083,9 +3090,12 @@ static resource_size_t pnv_pci_window_alignment(struct pci_bus *bus,
|
||||
bridge = bridge->bus->self;
|
||||
}
|
||||
|
||||
/* We fail back to M32 if M64 isn't supported */
|
||||
if (phb->ioda.m64_segsize &&
|
||||
pnv_pci_is_mem_pref_64(type))
|
||||
/*
|
||||
* We fall back to M32 if M64 isn't supported. We enforce the M64
|
||||
* alignment for any 64-bit resource, PCIe doesn't care and
|
||||
* bridges only do 64-bit prefetchable anyway.
|
||||
*/
|
||||
if (phb->ioda.m64_segsize && (type & IORESOURCE_MEM_64))
|
||||
return phb->ioda.m64_segsize;
|
||||
if (type & IORESOURCE_MEM)
|
||||
return phb->ioda.m32_segsize;
|
||||
@ -3125,7 +3135,7 @@ static void pnv_pci_fixup_bridge_resources(struct pci_bus *bus,
|
||||
w = NULL;
|
||||
if (r->flags & type & IORESOURCE_IO)
|
||||
w = &hose->io_resource;
|
||||
else if (pnv_pci_is_mem_pref_64(r->flags) &&
|
||||
else if (pnv_pci_is_m64(phb, r) &&
|
||||
(type & IORESOURCE_PREFETCH) &&
|
||||
phb->ioda.m64_segsize)
|
||||
w = &hose->mem_resources[1];
|
||||
|
||||
@ -320,19 +320,6 @@ static int dlpar_remove_device_tree_lmb(struct of_drconf_cell *lmb)
|
||||
return dlpar_update_device_tree_lmb(lmb);
|
||||
}
|
||||
|
||||
static struct memory_block *lmb_to_memblock(struct of_drconf_cell *lmb)
|
||||
{
|
||||
unsigned long section_nr;
|
||||
struct mem_section *mem_sect;
|
||||
struct memory_block *mem_block;
|
||||
|
||||
section_nr = pfn_to_section_nr(PFN_DOWN(lmb->base_addr));
|
||||
mem_sect = __nr_to_section(section_nr);
|
||||
|
||||
mem_block = find_memory_block(mem_sect);
|
||||
return mem_block;
|
||||
}
|
||||
|
||||
#ifdef CONFIG_MEMORY_HOTREMOVE
|
||||
static int pseries_remove_memblock(unsigned long base, unsigned int memblock_size)
|
||||
{
|
||||
@ -420,6 +407,19 @@ static bool lmb_is_removable(struct of_drconf_cell *lmb)
|
||||
|
||||
static int dlpar_add_lmb(struct of_drconf_cell *);
|
||||
|
||||
static struct memory_block *lmb_to_memblock(struct of_drconf_cell *lmb)
|
||||
{
|
||||
unsigned long section_nr;
|
||||
struct mem_section *mem_sect;
|
||||
struct memory_block *mem_block;
|
||||
|
||||
section_nr = pfn_to_section_nr(PFN_DOWN(lmb->base_addr));
|
||||
mem_sect = __nr_to_section(section_nr);
|
||||
|
||||
mem_block = find_memory_block(mem_sect);
|
||||
return mem_block;
|
||||
}
|
||||
|
||||
static int dlpar_remove_lmb(struct of_drconf_cell *lmb)
|
||||
{
|
||||
struct memory_block *mem_block;
|
||||
|
||||
@ -1,6 +1,7 @@
|
||||
config PPC_XICS
|
||||
def_bool n
|
||||
select PPC_SMP_MUXED_IPI
|
||||
select HARDIRQS_SW_RESEND
|
||||
|
||||
config PPC_ICP_NATIVE
|
||||
def_bool n
|
||||
|
||||
@ -156,7 +156,9 @@ static struct irq_chip ics_opal_irq_chip = {
|
||||
.irq_mask = ics_opal_mask_irq,
|
||||
.irq_unmask = ics_opal_unmask_irq,
|
||||
.irq_eoi = NULL, /* Patched at init time */
|
||||
.irq_set_affinity = ics_opal_set_affinity
|
||||
.irq_set_affinity = ics_opal_set_affinity,
|
||||
.irq_set_type = xics_set_irq_type,
|
||||
.irq_retrigger = xics_retrigger,
|
||||
};
|
||||
|
||||
static int ics_opal_map(struct ics *ics, unsigned int virq);
|
||||
|
||||
@ -163,7 +163,9 @@ static struct irq_chip ics_rtas_irq_chip = {
|
||||
.irq_mask = ics_rtas_mask_irq,
|
||||
.irq_unmask = ics_rtas_unmask_irq,
|
||||
.irq_eoi = NULL, /* Patched at init time */
|
||||
.irq_set_affinity = ics_rtas_set_affinity
|
||||
.irq_set_affinity = ics_rtas_set_affinity,
|
||||
.irq_set_type = xics_set_irq_type,
|
||||
.irq_retrigger = xics_retrigger,
|
||||
};
|
||||
|
||||
static int ics_rtas_map(struct ics *ics, unsigned int virq)
|
||||
|
||||
@ -328,8 +328,12 @@ static int xics_host_map(struct irq_domain *h, unsigned int virq,
|
||||
|
||||
pr_devel("xics: map virq %d, hwirq 0x%lx\n", virq, hw);
|
||||
|
||||
/* They aren't all level sensitive but we just don't really know */
|
||||
irq_set_status_flags(virq, IRQ_LEVEL);
|
||||
/*
|
||||
* Mark interrupts as edge sensitive by default so that resend
|
||||
* actually works. The device-tree parsing will turn the LSIs
|
||||
* back to level.
|
||||
*/
|
||||
irq_clear_status_flags(virq, IRQ_LEVEL);
|
||||
|
||||
/* Don't call into ICS for IPIs */
|
||||
if (hw == XICS_IPI) {
|
||||
@ -351,13 +355,54 @@ static int xics_host_xlate(struct irq_domain *h, struct device_node *ct,
|
||||
irq_hw_number_t *out_hwirq, unsigned int *out_flags)
|
||||
|
||||
{
|
||||
/* Current xics implementation translates everything
|
||||
* to level. It is not technically right for MSIs but this
|
||||
* is irrelevant at this point. We might get smarter in the future
|
||||
*/
|
||||
*out_hwirq = intspec[0];
|
||||
*out_flags = IRQ_TYPE_LEVEL_LOW;
|
||||
|
||||
/*
|
||||
* If intsize is at least 2, we look for the type in the second cell,
|
||||
* we assume the LSB indicates a level interrupt.
|
||||
*/
|
||||
if (intsize > 1) {
|
||||
if (intspec[1] & 1)
|
||||
*out_flags = IRQ_TYPE_LEVEL_LOW;
|
||||
else
|
||||
*out_flags = IRQ_TYPE_EDGE_RISING;
|
||||
} else
|
||||
*out_flags = IRQ_TYPE_LEVEL_LOW;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int xics_set_irq_type(struct irq_data *d, unsigned int flow_type)
|
||||
{
|
||||
/*
|
||||
* We only support these. This has really no effect other than setting
|
||||
* the corresponding descriptor bits mind you but those will in turn
|
||||
* affect the resend function when re-enabling an edge interrupt.
|
||||
*
|
||||
* Set set the default to edge as explained in map().
|
||||
*/
|
||||
if (flow_type == IRQ_TYPE_DEFAULT || flow_type == IRQ_TYPE_NONE)
|
||||
flow_type = IRQ_TYPE_EDGE_RISING;
|
||||
|
||||
if (flow_type != IRQ_TYPE_EDGE_RISING &&
|
||||
flow_type != IRQ_TYPE_LEVEL_LOW)
|
||||
return -EINVAL;
|
||||
|
||||
irqd_set_trigger_type(d, flow_type);
|
||||
|
||||
return IRQ_SET_MASK_OK_NOCOPY;
|
||||
}
|
||||
|
||||
int xics_retrigger(struct irq_data *data)
|
||||
{
|
||||
/*
|
||||
* We need to push a dummy CPPR when retriggering, since the subsequent
|
||||
* EOI will try to pop it. Passing 0 works, as the function hard codes
|
||||
* the priority value anyway.
|
||||
*/
|
||||
xics_push_cppr(0);
|
||||
|
||||
/* Tell the core to do a soft retrigger */
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
@ -90,8 +90,7 @@ int cxl_context_init(struct cxl_context *ctx, struct cxl_afu *afu, bool master,
|
||||
*/
|
||||
mutex_lock(&afu->contexts_lock);
|
||||
idr_preload(GFP_KERNEL);
|
||||
i = idr_alloc(&ctx->afu->contexts_idr, ctx,
|
||||
ctx->afu->adapter->native->sl_ops->min_pe,
|
||||
i = idr_alloc(&ctx->afu->contexts_idr, ctx, ctx->afu->adapter->min_pe,
|
||||
ctx->afu->num_procs, GFP_NOWAIT);
|
||||
idr_preload_end();
|
||||
mutex_unlock(&afu->contexts_lock);
|
||||
|
||||
@ -561,7 +561,6 @@ struct cxl_service_layer_ops {
|
||||
u64 (*timebase_read)(struct cxl *adapter);
|
||||
int capi_mode;
|
||||
bool needs_reset_before_disable;
|
||||
int min_pe;
|
||||
};
|
||||
|
||||
struct cxl_native {
|
||||
@ -603,6 +602,7 @@ struct cxl {
|
||||
struct bin_attribute cxl_attr;
|
||||
int adapter_num;
|
||||
int user_irqs;
|
||||
int min_pe;
|
||||
u64 ps_size;
|
||||
u16 psl_rev;
|
||||
u16 base_image;
|
||||
|
||||
@ -924,7 +924,7 @@ static irqreturn_t native_irq_multiplexed(int irq, void *data)
|
||||
return fail_psl_irq(afu, &irq_info);
|
||||
}
|
||||
|
||||
void native_irq_wait(struct cxl_context *ctx)
|
||||
static void native_irq_wait(struct cxl_context *ctx)
|
||||
{
|
||||
u64 dsisr;
|
||||
int timeout = 1000;
|
||||
|
||||
@ -379,7 +379,7 @@ static int calc_capp_routing(struct pci_dev *dev, u64 *chipid, u64 *capp_unit_id
|
||||
|
||||
static int init_implementation_adapter_psl_regs(struct cxl *adapter, struct pci_dev *dev)
|
||||
{
|
||||
u64 psl_dsnctl;
|
||||
u64 psl_dsnctl, psl_fircntl;
|
||||
u64 chipid;
|
||||
u64 capp_unit_id;
|
||||
int rc;
|
||||
@ -398,8 +398,11 @@ static int init_implementation_adapter_psl_regs(struct cxl *adapter, struct pci_
|
||||
cxl_p1_write(adapter, CXL_PSL_RESLCKTO, 0x20000000200ULL);
|
||||
/* snoop write mask */
|
||||
cxl_p1_write(adapter, CXL_PSL_SNWRALLOC, 0x00000000FFFFFFFFULL);
|
||||
/* set fir_accum */
|
||||
cxl_p1_write(adapter, CXL_PSL_FIR_CNTL, 0x0800000000000000ULL);
|
||||
/* set fir_cntl to recommended value for production env */
|
||||
psl_fircntl = (0x2ULL << (63-3)); /* ce_report */
|
||||
psl_fircntl |= (0x1ULL << (63-6)); /* FIR_report */
|
||||
psl_fircntl |= 0x1ULL; /* ce_thresh */
|
||||
cxl_p1_write(adapter, CXL_PSL_FIR_CNTL, psl_fircntl);
|
||||
/* for debugging with trace arrays */
|
||||
cxl_p1_write(adapter, CXL_PSL_TRACE, 0x0000FF7C00000000ULL);
|
||||
|
||||
@ -1521,14 +1524,15 @@ static const struct cxl_service_layer_ops xsl_ops = {
|
||||
.write_timebase_ctrl = write_timebase_ctrl_xsl,
|
||||
.timebase_read = timebase_read_xsl,
|
||||
.capi_mode = OPAL_PHB_CAPI_MODE_DMA,
|
||||
.min_pe = 1, /* Workaround for Mellanox CX4 HW bug */
|
||||
};
|
||||
|
||||
static void set_sl_ops(struct cxl *adapter, struct pci_dev *dev)
|
||||
{
|
||||
if (dev->vendor == PCI_VENDOR_ID_MELLANOX && dev->device == 0x1013) {
|
||||
/* Mellanox CX-4 */
|
||||
dev_info(&adapter->dev, "Device uses an XSL\n");
|
||||
adapter->native->sl_ops = &xsl_ops;
|
||||
adapter->min_pe = 1; /* Workaround for CX-4 hardware bug */
|
||||
} else {
|
||||
dev_info(&adapter->dev, "Device uses a PSL\n");
|
||||
adapter->native->sl_ops = &psl_ops;
|
||||
|
||||
@ -221,7 +221,7 @@ int cxl_pci_vphb_add(struct cxl_afu *afu)
|
||||
/* Setup the PHB using arch provided callback */
|
||||
phb->ops = &cxl_pcie_pci_ops;
|
||||
phb->cfg_addr = NULL;
|
||||
phb->cfg_data = 0;
|
||||
phb->cfg_data = NULL;
|
||||
phb->private_data = afu;
|
||||
phb->controller_ops = cxl_pci_controller_ops;
|
||||
|
||||
|
||||
@ -136,8 +136,8 @@ struct cxl_event_afu_driver_reserved {
|
||||
*
|
||||
* Of course the contents will be ABI, but that's up the AFU driver.
|
||||
*/
|
||||
size_t data_size;
|
||||
u8 data[];
|
||||
__u32 data_size;
|
||||
__u8 data[];
|
||||
};
|
||||
|
||||
struct cxl_event {
|
||||
|
||||
@ -8,7 +8,7 @@ ifeq ($(ARCH),powerpc)
|
||||
|
||||
GIT_VERSION = $(shell git describe --always --long --dirty || echo "unknown")
|
||||
|
||||
CFLAGS := -Wall -O2 -Wall -Werror -DGIT_VERSION='"$(GIT_VERSION)"' -I$(CURDIR) $(CFLAGS)
|
||||
CFLAGS := -std=gnu99 -Wall -O2 -Wall -Werror -DGIT_VERSION='"$(GIT_VERSION)"' -I$(CURDIR) $(CFLAGS)
|
||||
|
||||
export CFLAGS
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user