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From: Peter Zijlstra <peterz@infradead.org>
To: Mark Rutland <mark.rutland@arm.com>
Cc: Borislav Petkov <bp@alien8.de>, kernel test robot <lkp@intel.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev,
	linux-kernel@vger.kernel.org, x86@kernel.org,
	Linus Walleij <linus.walleij@linaro.org>,
	Jinjie Ruan <ruanjinjie@huawei.com>
Subject: Re: [tip:master 19/19] include/linux/irq-entry-common.h:201:2: error: unexpected token
Date: Wed, 2 Jul 2025 16:54:25 +0200	[thread overview]
Message-ID: <20250702145425.GS1613376@noisy.programming.kicks-ass.net> (raw)
In-Reply-To: <aGU_IY70Jt4bcbf2@J2N7QTR9R3.cambridge.arm.com>

On Wed, Jul 02, 2025 at 03:16:01PM +0100, Mark Rutland wrote:
> On Wed, Jul 02, 2025 at 03:24:15PM +0200, Borislav Petkov wrote:
> > On Wed, Jul 02, 2025 at 02:16:15PM +0100, Mark Rutland wrote:
> > > Sounds like a plan.
> > 
> > As we figured out on IRC:
> > 
> > https://lore.kernel.org/all/20250616-loongarch-fix-warn-cond-llvm-ias-v1-1-6c6d90bb4466@kernel.org/
> > 
> > "clang's integrated assembler only supports concatenating strings with
> > '.ascii'. There was discussion of allowing '.string' / '.asciz' but it
> > was decided against [1] because it was undesirable to match the behavior
> > of released binutils at the time, where"
> > 
> > and this seems to fix it here:
> > 
> > ---
> > diff --git a/arch/s390/include/asm/bug.h b/arch/s390/include/asm/bug.h
> > index a185855ab158..46d9eb64bd18 100644
> > --- a/arch/s390/include/asm/bug.h
> > +++ b/arch/s390/include/asm/bug.h
> > @@ -9,7 +9,7 @@
> >  #else
> >  #define __BUGVERBOSE_LOCATION(file, line)			\
> >  		.pushsection .rodata.str, "aMS", @progbits, 1;	\
> > -	10002:	.string file;					\
> > +	10002:	.ascii file;					\
> >  		.popsection;					\
> >  								\
> >  		.long 10002b - .;				\
> > 
> 
> IIUC this also needs a trailing "\0" as per the link above, or this
> won't get a NUL-terminator (but will build just fine).

Yup, I ran into this before. Let me go fix that commit.

  reply	other threads:[~2025-07-02 14:54 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-07-01 21:56 [tip:master 19/19] include/linux/irq-entry-common.h:201:2: error: unexpected token kernel test robot
2025-07-02 12:32 ` Borislav Petkov
2025-07-02 12:58   ` Mark Rutland
2025-07-02 13:09     ` Borislav Petkov
2025-07-02 13:16       ` Mark Rutland
2025-07-02 13:24         ` Borislav Petkov
2025-07-02 14:16           ` Mark Rutland
2025-07-02 14:54             ` Peter Zijlstra [this message]
2025-07-02 15:07               ` Peter Zijlstra
2025-07-02 15:41                 ` Heiko Carstens
2025-07-02 16:10                   ` Peter Zijlstra
2025-07-02 18:01                     ` Nathan Chancellor
2025-07-02 18:12                       ` Borislav Petkov
2025-07-02 18:29                         ` Borislav Petkov
2025-07-02 18:38                           ` Nathan Chancellor
2025-07-02 18:40                             ` Borislav Petkov

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