From: Nathan Chancellor <nathan@kernel•org>
To: "Christophe Leroy (CS GROUP)" <chleroy@kernel•org>
Cc: Thomas Gleixner <tglx@linutronix•de>,
kernel test robot <lkp@intel•com>,
llvm@lists•linux.dev, oe-kbuild-all@lists•linux.dev,
linux-kernel@vger•kernel.org, x86@kernel•org,
Ingo Molnar <mingo@kernel•org>,
"Peter Zijlstra (Intel)" <peterz@infradead•org>,
Mathieu Desnoyers <mathieu.desnoyers@efficios•com>,
linuxppc-dev@lists•ozlabs.org
Subject: Re: [tip:core/rseq 25/39] include/linux/rseq_entry.h:132:3: error: invalid operand for instruction
Date: Tue, 25 Nov 2025 16:39:33 -0700 [thread overview]
Message-ID: <20251125233933.GA1102709@ax162> (raw)
In-Reply-To: <20251125231834.GA4012217@ax162>
On Tue, Nov 25, 2025 at 04:18:34PM -0700, Nathan Chancellor wrote:
> That avoids the error for me. I notice that this does not reproduce
> beyond clang-16 for me so I am going to bisect LLVM to see what fixes
> this error.
Oh, it is because of commit e2ffa15b9baa ("kbuild: Disable
CC_HAS_ASM_GOTO_OUTPUT on clang < 17"). Prior to that change, all
supported versions of clang would use the CONFIG_CC_HAS_ASM_GOTO_OUTPUT
blocks in arch/powerpc/include/asm/uaccess.h, whereas now clang-15 and
clang-16 will use the variants without asm goto with outputs.
Cheers,
Nathan
prev parent reply other threads:[~2025-11-25 23:39 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <202511250134.i0Jm8d7I-lkp@intel.com>
2025-11-24 19:15 ` [tip:core/rseq 25/39] include/linux/rseq_entry.h:132:3: error: invalid operand for instruction Thomas Gleixner
2025-11-25 2:28 ` Philip Li
2025-11-25 7:38 ` Christophe Leroy (CS GROUP)
2025-11-25 23:18 ` Nathan Chancellor
2025-11-25 23:39 ` Nathan Chancellor [this message]
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