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Date: Wed, 21 Sep 2022 14:40:44 +0530 From: Sathvika Vasireddy <sv@...ux.vnet.ibm.com> To: Josh Poimboeuf <jpoimboe@...nel.org>, Peter Zijlstra <peterz@...radead.org> Cc: Sathvika Vasireddy <sv@...ux.ibm.com>, aik@...abs.ru, chenzhongjin@...wei.com, npiggin@...il.com, linux-kernel@...r.kernel.org, mingo@...hat.com, rostedt@...dmis.org, jpoimboe@...hat.com, naveen.n.rao@...ux.vnet.ibm.com, mbenes@...e.cz, linuxppc-dev@...ts.ozlabs.org Subject: Re: [PATCH v3 00/16] objtool: Enable and implement --mcount option on powerpc Hi Josh, On 14/09/22 05:45, Josh Poimboeuf wrote: > On Tue, Sep 13, 2022 at 04:13:52PM +0200, Peter Zijlstra wrote: >> On Mon, Sep 12, 2022 at 01:50:04PM +0530, Sathvika Vasireddy wrote: >>> Christophe Leroy (4): >>> objtool: Fix SEGFAULT >>> objtool: Use target file endianness instead of a compiled constant >>> objtool: Use target file class size instead of a compiled constant >>> Sathvika Vasireddy (12): >>> objtool: Add --mnop as an option to --mcount >>> objtool: Read special sections with alts only when specific options are selected >>> objtool: Use macros to define arch specific reloc types >>> objtool: Add arch specific function arch_ftrace_match() >>> objtool/powerpc: Enable objtool to be built on ppc >>> objtool/powerpc: Add --mcount specific implementation >>> tools/objtool/arch/powerpc/Build | 2 + >>> tools/objtool/arch/powerpc/decode.c | 101 ++++++++++++++++++ >>> .../arch/powerpc/include/arch/cfi_regs.h | 11 ++ >>> tools/objtool/arch/powerpc/include/arch/elf.h | 10 ++ >>> .../arch/powerpc/include/arch/special.h | 21 ++++ >>> tools/objtool/arch/powerpc/special.c | 19 ++++ >>> tools/objtool/arch/x86/decode.c | 5 + >>> tools/objtool/arch/x86/include/arch/elf.h | 2 + >>> .../arch/x86/include/arch/endianness.h | 9 -- >>> tools/objtool/builtin-check.c | 14 +++ >>> tools/objtool/check.c | 53 ++++----- >>> tools/objtool/elf.c | 8 +- >>> tools/objtool/include/objtool/arch.h | 2 + >>> tools/objtool/include/objtool/builtin.h | 1 + >>> tools/objtool/include/objtool/elf.h | 8 ++ >>> tools/objtool/include/objtool/endianness.h | 32 +++--- >>> tools/objtool/orc_dump.c | 11 +- >>> tools/objtool/orc_gen.c | 4 +- >>> tools/objtool/special.c | 3 +- >> This seems to painlessly merge with the objtool changes I have in >> queue.git/call-depth-tracking. After that all I need is the below little >> patch to make it to build ppc44x_defconfig + CONFIG_DYNAMIC_FTRACE=y. >> >> So I think these patches can go through the powerpc tree if Michael >> wants. Josh you okay with that, or should we do something complicated? > I'm all for avoiding complicated, but let me try to give it a proper > review first. Did you get a chance to review this patch set? - Sathvika
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