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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
Subject: Re: (subset) [PATCH v3 1/3] powerpc: Remove MSR_PR check in interrupt_exit_{user/kernel}_prepare()
Date: Fri, 27 Aug 2021 23:16:22 +1000	[thread overview]
Message-ID: <163007018206.52768.16263402363741709388.b4-ty@ellerman.id.au> (raw)
In-Reply-To: <385ead49ccb66a259b25fee3eebf0bd4094068f3.1629707037.git.christophe.leroy@csgroup.eu>

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

  parent reply	other threads:[~2021-08-27 13:22 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-23  8:24 [PATCH v3 1/3] powerpc: Remove MSR_PR check in interrupt_exit_{user/kernel}_prepare() Christophe Leroy
2021-08-23  8:24 ` [PATCH v3 2/3] powerpc: Refactor verification of MSR_RI Christophe Leroy
2021-08-23  8:24 ` [PATCH v3 3/3] powerpc: Define and use MSR_RI only on non booke/40x Christophe Leroy
2021-08-25  4:54   ` Michael Ellerman
2021-08-25  6:21     ` Christophe Leroy
2021-08-25  5:27 ` [PATCH v3 1/3] powerpc: Remove MSR_PR check in interrupt_exit_{user/kernel}_prepare() Michael Ellerman
2021-08-25  5:45   ` Christophe Leroy
2021-08-25  6:56     ` Michael Ellerman
2021-08-27 13:16 ` Michael Ellerman [this message]
2021-08-31 14:00 ` Michael Ellerman

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