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1ddc96bd42
linux/arch/mips
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Tiezhu Yang 1ddc96bd42 MIPS: kernel: Support extracting off-line stack traces from user-space with perf 
Add perf_event_mips_regs/perf_reg_value/perf_reg_validate to support
features HAVE_PERF_REGS/HAVE_PERF_USER_STACK_DUMP in kernel.

[ayan@wavecomp.com: Repick this patch for unwinding userstack backtrace
 by perf and libunwind on MIPS based CPU.]

[ralf@linux-mips.org: Add perf_get_regs_user() which is required after
'commit 88a7c26af8 ("perf: Move task_pt_regs sampling into arch code")'.]

[yangtiezhu@loongson.cn: Fix build error about perf_get_regs_user() after
commit 76a4efa809 ("perf/arch: Remove perf_sample_data::regs_user_copy"),
and also separate the original patches into two parts (MIPS kernel and perf
tools) to merge easily.]

The original patches:
https://lore.kernel.org/patchwork/patch/1126521/
https://lore.kernel.org/patchwork/patch/1126520/

Signed-off-by: David Daney <david.daney@cavium.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Archer Yan <ayan@wavecomp.com>
Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
2021-02-04 21:55:45 +01:00
..
alchemy MIPS: Remove empty prom_free_prom_memory functions 2021-01-07 17:11:33 +01:00
ar7 MIPS: Remove empty prom_free_prom_memory functions 2021-01-07 17:11:33 +01:00
ath25 MIPS: Remove empty prom_free_prom_memory functions 2021-01-07 17:11:33 +01:00
ath79 MIPS: of: Introduce helper function to get DTB 2021-02-04 13:34:51 +01:00
bcm47xx MIPS: Remove empty prom_free_prom_memory functions 2021-01-07 17:11:33 +01:00
bcm63xx MIPS: Remove empty prom_free_prom_memory functions 2021-01-07 17:11:33 +01:00
bmips MIPS: of: Introduce helper function to get DTB 2021-02-04 13:34:51 +01:00
boot mips: dts: Add support for Cisco SG220-26 switch 2021-02-04 21:54:20 +01:00
cavium-octeon Revert "MIPS: Octeon: Remove special handling of CONFIG_MIPS_ELF_APPENDED_DTB=y" 2021-01-19 23:03:18 +01:00
cobalt MIPS: Remove empty prom_free_prom_memory functions 2021-01-07 17:11:33 +01:00
configs MIPS: Loongson64: Give chance to build under !CONFIG_NUMA and !CONFIG_SMP 2021-01-04 11:15:07 +01:00
crypto
dec MIPS: DEC: Restore bootmem reservation for firmware working memory area 2020-10-14 23:57:57 +02:00
fw MIPS: Remove empty prom_free_prom_memory functions 2021-01-07 17:11:33 +01:00
generic MIPS: of: Introduce helper function to get DTB 2021-02-04 13:34:51 +01:00
include MIPS: kernel: Support extracting off-line stack traces from user-space with perf 2021-02-04 21:55:45 +01:00
ingenic MIPS: jz4740: Rename jz4740 folders to ingenic 2020-09-18 16:35:05 +02:00
jazz MIPS: jazz: always allow little-endian builds 2021-01-22 13:53:21 +01:00
kernel MIPS: kernel: Support extracting off-line stack traces from user-space with perf 2021-02-04 21:55:45 +01:00
kvm KVM: MIPS: remove unneeded semicolon 2021-02-03 11:33:16 +01:00
lantiq MIPS: of: Introduce helper function to get DTB 2021-02-04 13:34:51 +01:00
lib mips: lib: uncached: fix non-standard usage of variable 'sp' 2020-12-14 16:03:11 +01:00
loongson2ef MIPS: loongson2ef: remove function __uncached_access() 2021-01-27 21:51:15 +01:00
loongson32 MIPS: Remove empty prom_free_prom_memory functions 2021-01-07 17:11:33 +01:00
loongson64 MIPS: Support binutils configured with --enable-mips-fix-loongson3-llsc=yes 2021-01-15 15:34:20 +01:00
math-emu MIPS: Use fallthrough for arch/mips 2020-05-07 11:55:47 +02:00
mm MIPS: mm:remove function __uncached_access() 2021-01-27 21:52:01 +01:00
mti-malta MIPS: malta-time: remove unneeded semicolon 2021-02-03 11:33:32 +01:00
n64 mips: Add N64 machine type 2021-01-22 11:40:00 +01:00
net
netlogic MIPS: Remove empty prom_free_prom_memory functions 2021-01-07 17:11:33 +01:00
oprofile mips/oprofile: Fix fallthrough placement 2020-08-22 09:23:15 +02:00
pci mips: pci: convert comma to semicolon 2020-12-28 22:33:43 +01:00
pic32 MIPS: of: Introduce helper function to get DTB 2021-02-04 13:34:51 +01:00
pistachio MIPS: pistachio: remove obsolete include/asm/mach-pistachio 2021-02-04 21:55:26 +01:00
power
ralink MIPS: ralink: manage low reset lines 2021-02-04 13:35:01 +01:00
rb532 MIPS: Remove empty prom_free_prom_memory functions 2021-01-07 17:11:33 +01:00
sgi-ip22 MIPS: Only include the platform file needed 2020-05-13 00:17:18 +02:00
sgi-ip27 MIPS: Remove empty prom_free_prom_memory functions 2021-01-07 17:11:33 +01:00
sgi-ip30 MIPS: SGI-IP30: Move irq bits to better header files 2020-09-21 22:15:49 +02:00
sgi-ip32 MIPS: Remove empty prom_free_prom_memory functions 2021-01-07 17:11:33 +01:00
sibyte MIPS: Remove empty prom_free_prom_memory functions 2021-01-07 17:11:33 +01:00
sni MIPS: SNI: Fix spurious interrupts 2020-09-16 22:40:58 +02:00
tools MIPS: tools: Fix resource leak in elf-entry.c 2020-05-24 09:29:48 +02:00
txx9 MIPS: Remove empty prom_free_prom_memory functions 2021-01-07 17:11:33 +01:00
vdso MIPS: VDSO: Use CLANG_FLAGS instead of filtering out '--target=' 2021-01-18 15:40:14 +01:00
vr41xx MIPS: Remove empty prom_free_prom_memory functions 2021-01-07 17:11:33 +01:00
Kbuild MIPS: Fix "make clean" error due to recent changes 2020-05-13 13:20:22 +02:00
Kbuild.platforms mips: Add N64 machine type 2021-01-22 11:40:00 +01:00
Kconfig MIPS: kernel: Support extracting off-line stack traces from user-space with perf 2021-02-04 21:55:45 +01:00
Kconfig.debug mips: Add CPS_NS16550_WIDTH config 2020-05-22 09:12:52 +02:00
Makefile Revert "MIPS: Remove unused R4300 CPU support" 2021-01-22 11:39:45 +01:00
Makefile.postlink MIPS: fix indentation of the 'RELOCS' message 2020-01-20 15:37:30 -08:00