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From:   Michael Ellerman <patch-notifications@ellerman.id.au>
To:     Christophe Leroy <christophe.leroy@csgroup.eu>,
        Paul Mackerras <paulus@samba.org>,
        Benjamin Herrenschmidt <benh@kernel.crashing.org>,
        Michael Ellerman <mpe@ellerman.id.au>, npiggin@gmail.com
Cc:     linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org
In-Reply-To: <385ead49ccb66a259b25fee3eebf0bd4094068f3.1629707037.git.christophe.leroy@csgroup.eu>
References: <385ead49ccb66a259b25fee3eebf0bd4094068f3.1629707037.git.christophe.leroy@csgroup.eu>
Subject: Re: (subset) [PATCH v3 1/3] powerpc: Remove MSR_PR check in interrupt_exit_{user/kernel}_prepare()
Message-Id: <163007018206.52768.16263402363741709388.b4-ty@ellerman.id.au>
Date:   Fri, 27 Aug 2021 23:16:22 +1000
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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.

[2/3] powerpc: Refactor verification of MSR_RI
      https://git.kernel.org/powerpc/c/806c0e6e7e97adc17389c8dc1f52d4736f49299b

cheers