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2ca13a4cc5
linux/arch/powerpc
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Madhavan Srinivasan 2ca13a4cc5 powerpc/perf: Use regs->nip when SIAR is zero 
In power10 DD1, there is an issue where the SIAR (Sampled Instruction
Address Register) is not latching to the sampled address during random
sampling. This results in value of 0s in the SIAR. Add a check to use
regs->nip when SIAR is zero.

Signed-off-by: Madhavan Srinivasan <maddy@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20201021085329.384535-5-maddy@linux.ibm.com
2020-11-19 16:56:56 +11:00
..
boot powerpc/ps3: Drop unused DBG macro 2020-11-19 14:50:14 +11:00
configs powerpc updates for 5.10 2020-10-16 12:21:15 -07:00
crypto crypto: powerpc/crc-vpmsum_test - Fix sparse endianness warning 2020-09-04 17:57:15 +10:00
include powerpc/perf: Add new power PMU flag "PPMU_P10_DD1" for power10 DD1 2020-11-19 16:56:55 +11:00
kernel powerpc: Remove RFI macro 2020-11-19 16:56:55 +11:00
kexec arch, drivers: replace for_each_membock() with for_each_mem_range() 2020-10-13 18:38:35 -07:00
kvm powerpc: Replace RFI by rfi on book3s/32 and booke 2020-11-19 16:56:54 +11:00
lib Merge branch 'work.set_fs' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2020-10-22 09:59:21 -07:00
math-emu
mm powerpc/mm: Fix comparing pointer to 0 warning 2020-11-19 16:56:55 +11:00
net bpf, powerpc: Fix misuse of fallthrough in bpf_jit_comp() 2020-09-29 16:39:11 +02:00
oprofile powerpc/oprofile: fix spelling mistake "contex" -> "context" 2020-08-25 01:31:33 +10:00
perf powerpc/perf: Use regs->nip when SIAR is zero 2020-11-19 16:56:56 +11:00
platforms powerpc/powernv/sriov: fix unsigned int win compared to less than zero 2020-11-19 16:56:54 +11:00
purgatory powerpc/kexec_file: Enable early kernel OPAL calls 2020-07-29 23:47:55 +10:00
sysdev powerpc: sysdev: add missing iounmap() on error in mpic_msgr_probe() 2020-11-19 14:50:14 +11:00
tools powerpc/tools: Remove 90 line limit in checkpatch script 2020-09-08 22:57:11 +10:00
xmon powerpc/watchpoint: Add hw_len wherever missing 2020-09-15 22:13:20 +10:00
Kbuild
Kconfig powerpc updates for 5.10 2020-10-16 12:21:15 -07:00
Kconfig.debug powerpc: Remove Xilinx PPC405/PPC440 support 2020-05-28 23:24:34 +10:00
Makefile Kbuild updates for v5.10 2020-10-22 13:13:57 -07:00
Makefile.postlink powerpc: unrel_branch_check.sh: use nm to find symbol value 2020-09-02 11:00:22 +10:00