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X-powerpc-patch-notification: thanks
X-powerpc-patch-commit: 6d3ca7e73642ce17398f4cd5df1780da4a1ccdaf
In-Reply-To: <1558444404-12254-1-git-send-email-yamada.masahiro@socionext.com>
To:     Masahiro Yamada <yamada.masahiro@socionext.com>,
        linuxppc-dev@lists.ozlabs.org
From:   Michael Ellerman <patch-notifications@ellerman.id.au>
Cc:     linux-kernel@vger.kernel.org, Nicholas Piggin <npiggin@gmail.com>,
        Masahiro Yamada <yamada.masahiro@socionext.com>,
        Paul Mackerras <paulus@samba.org>,
        "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>,
        Suraj Jitindar Singh <sjitindarsingh@gmail.com>,
        Andrew Morton <akpm@linux-foundation.org>,
        David Gibson <david@gibson.dropbear.id.au>
Subject: Re: [PATCH v2] powerpc/mm: mark more tlb functions as __always_inline
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Date:   Mon,  8 Jul 2019 11:19:33 +1000 (AEST)
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On Tue, 2019-05-21 at 13:13:24 UTC, Masahiro Yamada wrote:
> With CONFIG_OPTIMIZE_INLINING enabled, Laura Abbott reported error
> with gcc 9.1.1:
> 
>   arch/powerpc/mm/book3s64/radix_tlb.c: In function '_tlbiel_pid':
>   arch/powerpc/mm/book3s64/radix_tlb.c:104:2: warning: asm operand 3 probably doesn't match constraints
>     104 |  asm volatile(PPC_TLBIEL(%0, %4, %3, %2, %1)
>         |  ^~~
>   arch/powerpc/mm/book3s64/radix_tlb.c:104:2: error: impossible constraint in 'asm'
> 
> Fixing _tlbiel_pid() is enough to address the warning above, but I
> inlined more functions to fix all potential issues.
> 
> To meet the "i" (immediate) constraint for the asm operands, functions
> propagating "ric" must be always inlined.
> 
> Fixes: 9012d011660e ("compiler: allow all arches to enable CONFIG_OPTIMIZE_INLINING")
> Reported-by: Laura Abbott <labbott@redhat.com>
> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
> Reviewed-by: Christophe Leroy <christophe.leroy@c-s.fr>

Applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/6d3ca7e73642ce17398f4cd5df1780da4a1ccdaf

cheers