linux-kernel - Re: [PATCH 0/3] Fix build failure with v5.8-rc1

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <159248379779.3471720.9152671306932635297.b4-ty@ellerman.id.au>
Date:   Thu, 18 Jun 2020 22:37:12 +1000 (AEST)
From:   Michael Ellerman <patch-notifications@...erman.id.au>
To:     Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Christophe Leroy <christophe.leroy@...roup.eu>,
        Michael Ellerman <mpe@...erman.id.au>,
        "Peter Zijlstra (Intel)" <peterz@...radead.org>,
        Will Deacon <will@...nel.org>,
        Andrew Morton <akpm@...ux-foundation.org>
Cc:     linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org,
        linux-mm@...ck.org
Subject: Re: [PATCH 0/3] Fix build failure with v5.8-rc1

On Mon, 15 Jun 2020 12:57:55 +0000 (UTC), Christophe Leroy wrote:
> Commit 2ab3a0a02905 ("READ_ONCE: Enforce atomicity for
> {READ,WRITE}_ONCE() memory accesses") leads to following build
> failure on powerpc 8xx.
> 
> To fix it, this small series introduces a new helper named ptep_get()
> to replace the direct access with READ_ONCE(). This new helper
> can be overriden by architectures.
> 
> [...]

Applied to powerpc/fixes.

[1/3] mm/gup: Use huge_ptep_get() in gup_hugepte()
      https://git.kernel.org/powerpc/c/01a80ec6495f9e43f61b3231f3b283ca050a800e
[2/3] mm: Allow arches to provide ptep_get()
      https://git.kernel.org/powerpc/c/f7583fd6bdcc4d0b43f68fb81ebfae9669ee9338
[3/3] powerpc/8xx: Provide ptep_get() with 16k pages
      https://git.kernel.org/powerpc/c/b55129f97aeefd265314e12d98935330e011a14a

cheers