linux-kernel - Re: [PATCH] powerpc/time: Fix build failure due to do_hard_irq

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Date:   Wed, 19 Jan 2022 22:06:01 +1100
From:   Michael Ellerman <patch-notifications@...erman.id.au>
To:     Christophe Leroy <christophe.leroy@...roup.eu>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Michael Ellerman <mpe@...erman.id.au>,
        Paul Mackerras <paulus@...ba.org>
Cc:     Nicholas Piggin <npiggin@...il.com>, linuxppc-dev@...ts.ozlabs.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] powerpc/time: Fix build failure due to do_hard_irq_enable() on PPC32

On Mon, 10 Jan 2022 15:29:53 +0000, Christophe Leroy wrote:
> 	  CC      arch/powerpc/kernel/time.o
> 	In file included from <command-line>:
> 	./arch/powerpc/include/asm/hw_irq.h: In function 'do_hard_irq_enable':
> 	././include/linux/compiler_types.h:335:45: error: call to '__compiletime_assert_35' declared with attribute error: BUILD_BUG failed
> 	  335 |         _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
> 	      |                                             ^
> 	././include/linux/compiler_types.h:316:25: note: in definition of macro '__compiletime_assert'
> 	  316 |                         prefix ## suffix();                             \
> 	      |                         ^~~~~~
> 	././include/linux/compiler_types.h:335:9: note: in expansion of macro '_compiletime_assert'
> 	  335 |         _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
> 	      |         ^~~~~~~~~~~~~~~~~~~
> 	./include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert'
> 	   39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
> 	      |                                     ^~~~~~~~~~~~~~~~~~
> 	./include/linux/build_bug.h:59:21: note: in expansion of macro 'BUILD_BUG_ON_MSG'
> 	   59 | #define BUILD_BUG() BUILD_BUG_ON_MSG(1, "BUILD_BUG failed")
> 	      |                     ^~~~~~~~~~~~~~~~
> 	./arch/powerpc/include/asm/hw_irq.h:483:9: note: in expansion of macro 'BUILD_BUG'
> 	  483 |         BUILD_BUG();
> 	      |         ^~~~~~~~~
> 
> [...]

Applied to powerpc/fixes.

[1/1] powerpc/time: Fix build failure due to do_hard_irq_enable() on PPC32
      https://git.kernel.org/powerpc/c/87b9d74fb0be80054c729e8d6a119ca0955cedf3

cheers