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Message-ID: <d2a198a0-1962-093c-da7b-312cf7db1ee0@linux.vnet.ibm.com>
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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