Messages in this thread | | | Date | Mon, 1 Nov 2021 15:50:58 +0100 (CET) | From | Miroslav Benes <> | Subject | Re: [PATCH v1 0/5] Implement livepatch on PPC32 |
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Hi,
On Thu, 28 Oct 2021, Christophe Leroy wrote:
> This series implements livepatch on PPC32. > > This is largely copied from what's done on PPC64. > > Christophe Leroy (5): > livepatch: Fix build failure on 32 bits processors > powerpc/ftrace: No need to read LR from stack in _mcount() > powerpc/ftrace: Add module_trampoline_target() for PPC32 > powerpc/ftrace: Activate HAVE_DYNAMIC_FTRACE_WITH_REGS on PPC32 > powerpc/ftrace: Add support for livepatch to PPC32 > > arch/powerpc/Kconfig | 2 +- > arch/powerpc/include/asm/livepatch.h | 4 +- > arch/powerpc/kernel/module_32.c | 33 +++++ > arch/powerpc/kernel/trace/ftrace.c | 53 +++----- > arch/powerpc/kernel/trace/ftrace_32.S | 187 ++++++++++++++++++++++++-- > kernel/livepatch/core.c | 4 +- > 6 files changed, 230 insertions(+), 53 deletions(-)
thanks for the patch set!
I wondered whether the reliability of stack traces also applies to PPC32. This was obviously resolved by accdd093f260 ("powerpc: Activate HAVE_RELIABLE_STACKTRACE for all").
Did the patch set pass the selftests in tools/testing/selftests/livepatch/ ?
Regards
Miroslav
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