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From:   Michael Ellerman <patch-notifications@ellerman.id.au>
To:     Benjamin Herrenschmidt <benh@kernel.crashing.org>,
        Michael Ellerman <mpe@ellerman.id.au>,
        Christophe Leroy <christophe.leroy@csgroup.eu>,
        Daniel Axtens <dja@axtens.net>,
        Paul Mackerras <paulus@samba.org>
Cc:     linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org
In-Reply-To: <c95a648fdf75992c9d88f3c73cc23e7537fcf2ad.1615555354.git.christophe.leroy@csgroup.eu>
References: <0ad4629c2d222019e82fcdfccc70d372beb4adf9.1615398265.git.christophe.leroy@csgroup.eu> <c95a648fdf75992c9d88f3c73cc23e7537fcf2ad.1615555354.git.christophe.leroy@csgroup.eu>
Subject: Re: [PATCH v3 03/15] powerpc/align: Convert emulate_spe() to user_access_begin
Message-Id: <161806492680.1467223.16788785953274402372.b4-ty@ellerman.id.au>
Date:   Sun, 11 Apr 2021 00:28:46 +1000
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On Fri, 12 Mar 2021 13:25:11 +0000 (UTC), Christophe Leroy wrote:
> This patch converts emulate_spe() to using user_access_begin
> logic.
> 
> Since commit 662bbcb2747c ("mm, sched: Allow uaccess in atomic with
> pagefault_disable()"), might_fault() doesn't fire when called from
> sections where pagefaults are disabled, which must be the case
> when using _inatomic variants of __get_user and __put_user. So
> the might_fault() in user_access_begin() is not a problem.
> 
> [...]

Applied to powerpc/next.

[03/15] powerpc/align: Convert emulate_spe() to user_access_begin
        https://git.kernel.org/powerpc/c/3fa3db32956d74c0784171ae0334685502bb169a

cheers