linux-kernel - Re: [PATCH v3 1/3] powerpc: Remove MSR_PR check in interrupt_exit_{user/kernel}

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Message-Id: <163041840754.890713.6956967303915843591.b4-ty@ellerman.id.au>
Date:   Wed, 01 Sep 2021 00:00:07 +1000
From:   Michael Ellerman <patch-notifications@...erman.id.au>
To:     Christophe Leroy <christophe.leroy@...roup.eu>,
        Paul Mackerras <paulus@...ba.org>, npiggin@...il.com,
        Michael Ellerman <mpe@...erman.id.au>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>
Cc:     linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 1/3] powerpc: Remove MSR_PR check in interrupt_exit_{user/kernel}_prepare()

On Mon, 23 Aug 2021 08:24:20 +0000 (UTC), Christophe Leroy wrote:
> In those hot functions that are called at every interrupt, any saved
> cycle is worth it.
> 
> interrupt_exit_user_prepare() and interrupt_exit_kernel_prepare() are
> called from three places:
> - From entry_32.S
> - From interrupt_64.S
> - From interrupt_exit_user_restart() and interrupt_exit_kernel_restart()
> 
> [...]

Applied to powerpc/next.

[1/3] powerpc: Remove MSR_PR check in interrupt_exit_{user/kernel}_prepare()
      https://git.kernel.org/powerpc/c/133c17a1788d68c9fff59d5f724a4ba14647a16d

cheers