linux/arch/powerpc
Cyril Bur 6f700d38a8 powerpc: Remove facility loadups on transactional {fp, vec, vsx} unavailable
After handling a transactional FP, Altivec or VSX unavailable exception.
The return to userspace code will detect that the TIF_RESTORE_TM bit is
set and call restore_tm_state(). restore_tm_state() will call
restore_math() to ensure that the correct facilities are loaded.

This means that all the loadup code in {fp,altivec,vsx}_unavailable_tm()
is doing pointless work and can simply be removed.

Signed-off-by: Cyril Bur <cyrilbur@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
2017-11-06 20:39:34 +11:00
..
boot powerpc: dts: acadia: DT fix s/#interrupts-parent/#interrupt-parent/ 2017-10-22 12:08:31 +02:00
configs powerpc/configs: Enable I2C_CHARDEV for pseries and powernv 2017-10-22 12:08:31 +02:00
crypto Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2017-05-02 15:53:46 -07:00
include powerpc: Always save/restore checkpointed regs during treclaim/trecheckpoint 2017-11-06 20:39:33 +11:00
kernel powerpc: Remove facility loadups on transactional {fp, vec, vsx} unavailable 2017-11-06 20:39:34 +11:00
kvm KVM: PPC: Book3S HV: Handle host system reset in guest mode 2017-11-06 16:48:06 +11:00
lib powerpc/lib/sstep: Fix fixed-point shift instructions that set CA32 2017-10-04 11:28:04 +11:00
math-emu Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
mm powerpc/mm: Add a CONFIG option to choose if radix is used by default 2017-11-06 16:48:15 +11:00
net bpf: take advantage of stack_depth tracking in powerpc JIT 2017-11-06 16:48:16 +11:00
oprofile powerpc/oprofile: Use setup_timer() helper 2017-10-04 11:28:01 +11:00
perf powerpc/perf/hv-24x7: Fix incorrect comparison in memord 2017-10-22 12:08:31 +02:00
platforms powerpc/powernv: Add OPAL_BUSY to opal_error_code() 2017-11-06 20:39:31 +11:00
purgatory powerpc/asm: Convert .llong directives to .8byte 2017-08-31 14:26:47 +10:00
sysdev powerpc/ipic: Fix status get and status clear 2017-11-06 16:48:13 +11:00
tools powerpc/64: Tool to check head sections location sanity 2017-05-30 14:59:51 +10:00
xmon powerpc/64s: Replace CONFIG_PPC_STD_MMU_64 with CONFIG_PPC_BOOK3S_64 2017-11-06 16:48:14 +11:00
Kconfig powerpc/64s: Replace CONFIG_PPC_STD_MMU_64 with CONFIG_PPC_BOOK3S_64 2017-11-06 16:48:14 +11:00
Kconfig.debug powerpc: Disable the fast-endian switch syscall by default 2017-10-22 12:08:31 +02:00
Makefile Merge branch 'fixes' into next 2017-08-23 22:20:10 +10:00
Makefile.postlink powerpc/64: Tool to check head sections location sanity 2017-05-30 14:59:51 +10:00