linux-kernel - Re: [PATCH] powerpc/vdso32: Add missing _restgpr_31

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Date:   Tue, 16 Mar 2021 00:31:17 +1100 (AEDT)
From:   Michael Ellerman <patch-notifications@...erman.id.au>
To:     Paul Mackerras <paulus@...ba.org>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Michael Ellerman <mpe@...erman.id.au>,
        segher@...nel.crashing.org,
        Christophe Leroy <christophe.leroy@...roup.eu>
Cc:     linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org
Subject: Re: [PATCH] powerpc/vdso32: Add missing _restgpr_31_x to fix build failure

On Tue, 9 Mar 2021 06:19:30 +0000 (UTC), Christophe Leroy wrote:
> With some defconfig including CONFIG_CC_OPTIMIZE_FOR_SIZE,
> (for instance mvme5100_defconfig and ps3_defconfig), gcc 5
> generates a call to _restgpr_31_x.
> 
> Until recently it went unnoticed, but
> commit 42ed6d56ade2 ("powerpc/vdso: Block R_PPC_REL24 relocations")
> made it rise to the surface.
> 
> [...]

Applied to powerpc/fixes.

[1/1] powerpc/vdso32: Add missing _restgpr_31_x to fix build failure
      https://git.kernel.org/powerpc/c/08c18b63d9656e0389087d1956d2b37fd7019172

cheers