Building the Linux kernel with Clang and LLVM
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From: Muhammad Usama Anjum <usama.anjum@collabora.com>
To: Shuah Khan <shuah@kernel.org>,
	Nathan Chancellor <nathan@kernel.org>,
	Nick Desaulniers <ndesaulniers@google.com>,
	Bill Wendling <morbo@google.com>,
	Justin Stitt <justinstitt@google.com>,
	Rick Edgecombe <rick.p.edgecombe@intel.com>,
	"Mike Rapoport (IBM)" <rppt@kernel.org>,
	Ingo Molnar <mingo@kernel.org>,
	Dave Hansen <dave.hansen@linux.intel.com>,
	Alexey Dobriyan <adobriyan@gmail.com>,
	Binbin Wu <binbin.wu@linux.intel.com>,
	"Chang S. Bae" <chang.seok.bae@intel.com>,
	"Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>,
	linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org,
	llvm@lists.linux.dev, maskray@google.com
Cc: Muhammad Usama Anjum <usama.anjum@collabora.com>, kernel@collabora.com
Subject: Re: [PATCH 0/8] selftests: x86: build suite with clang
Date: Thu, 16 May 2024 08:06:16 -0600	[thread overview]
Message-ID: <1f896922-1a62-44f5-b9b4-2e48e90e7f70@collabora.com> (raw)
In-Reply-To: <20240501122918.3831734-1-usama.anjum@collabora.com>

On 5/1/24 6:29 AM, Muhammad Usama Anjum wrote:
> This series fixes build errors found by clang to allow the x86 suite to
> get built with the clang.
> 
> Unfortunately, there is one bug [1] in the clang becuase of which
> extended asm isn't handled correctly by it and build fails for
> sysret_rip.c. Hence even after this series the build of this test would
> fail with clang. Should we disable this test for now when clang is used
> until the bug is fixed in clang? Not sure. Any opinions?
Its seems like the bug has been fixed in clang. I'll verify it in next
release and draft a patch separately to fix that error.

I think this series is good to accept then.

> 
> [1] https://github.com/llvm/llvm-project/issues/53728
> 
> Muhammad Usama Anjum (8):
>   selftests: x86: Remove dependence of headers file
>   selftests: x86: check_initial_reg_state: remove -no-pie while using
>     -static
>   selftests: x86: test_vsyscall: remove unused function
>   selftests: x86: fsgsbase_restore: fix asm directive from =rm to =r
>   selftests: x86: syscall_arg_fault_32: remove unused variable
>   selftests: x86: test_FISTTP: use fisttps instead of ambigous fisttp
>   selftests: x86: fsgsbase: Remove unused function and variable
>   selftests: x86: amx: Remove unused functions
> 
>  tools/testing/selftests/x86/Makefile            |  9 +++++----
>  tools/testing/selftests/x86/amx.c               | 16 ----------------
>  tools/testing/selftests/x86/fsgsbase.c          |  6 ------
>  tools/testing/selftests/x86/fsgsbase_restore.c  |  2 +-
>  tools/testing/selftests/x86/syscall_arg_fault.c |  1 -
>  tools/testing/selftests/x86/test_FISTTP.c       |  8 ++++----
>  tools/testing/selftests/x86/test_vsyscall.c     |  5 -----
>  7 files changed, 10 insertions(+), 37 deletions(-)
> 

-- 
BR,
Muhammad Usama Anjum

  parent reply	other threads:[~2024-05-16 14:07 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-05-01 12:29 [PATCH 0/8] selftests: x86: build suite with clang Muhammad Usama Anjum
2024-05-01 12:29 ` [PATCH 1/8] selftests: x86: Remove dependence of headers file Muhammad Usama Anjum
2024-05-01 12:29 ` [PATCH 2/8] selftests: x86: check_initial_reg_state: remove -no-pie while using -static Muhammad Usama Anjum
2024-05-01 12:29 ` [PATCH 3/8] selftests: x86: test_vsyscall: remove unused function Muhammad Usama Anjum
2024-05-01 12:29 ` [PATCH 4/8] selftests: x86: fsgsbase_restore: fix asm directive from =rm to =r Muhammad Usama Anjum
2024-05-01 12:29 ` [PATCH 5/8] selftests: x86: syscall_arg_fault_32: remove unused variable Muhammad Usama Anjum
2024-05-01 12:29 ` [PATCH 6/8] selftests: x86: test_FISTTP: use fisttps instead of ambigous fisttp Muhammad Usama Anjum
2024-05-01 12:29 ` [PATCH 7/8] selftests: x86: fsgsbase: Remove unused function and variable Muhammad Usama Anjum
2024-05-01 12:29 ` [PATCH 8/8] selftests: x86: amx: Remove unused functions Muhammad Usama Anjum
2024-05-06 23:26 ` [PATCH 0/8] selftests: x86: build suite with clang Fangrui Song
2024-05-15 22:20   ` Fangrui Song
2024-05-16 14:06 ` Muhammad Usama Anjum [this message]
2024-05-28  5:04 ` Muhammad Usama Anjum
2024-06-07 20:50   ` Shuah Khan
2024-06-07 21:17     ` Dave Hansen
2024-06-07 21:25       ` John Hubbard

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