linux-kernel - Re: [PATCH] powerpc: Force inlining of cpu_has

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

On Wed, 10 Mar 2021 12:10:34 +0000 (UTC), Christophe Leroy wrote:
> The code relies on constant folding of cpu_has_feature() based
> on possible and always true values as defined per
> CPU_FTRS_ALWAYS and CPU_FTRS_POSSIBLE.
> 
> Build failure is encountered with for instance
> book3e_all_defconfig on kisskb in the AMDGPU driver which uses
> cpu_has_feature(CPU_FTR_VSX_COMP) to decide whether calling
> kernel_enable_vsx() or not.
> 
> [...]

Applied to powerpc/fixes.

[1/1] powerpc: Force inlining of cpu_has_feature() to avoid build failure
      https://git.kernel.org/powerpc/c/eed5fae00593ab9d261a0c1ffc1bdb786a87a55a

cheers