linux-kernel - Re: [PATCH 1/3] powerpc/nohash: Fix __ptep_set_access_flags() and ptep_set

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Message-Id: <163584791973.1845480.6138102753649053681.b4-ty@ellerman.id.au>
Date:   Tue, 02 Nov 2021 21:11:59 +1100
From:   Michael Ellerman <patch-notifications@...erman.id.au>
To:     Michael Ellerman <mpe@...erman.id.au>,
        Paul Mackerras <paulus@...ba.org>,
        Christophe Leroy <christophe.leroy@...roup.eu>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>
Cc:     linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org
Subject: Re: [PATCH 1/3] powerpc/nohash: Fix __ptep_set_access_flags() and ptep_set_wrprotect()

On Tue, 26 Oct 2021 07:39:24 +0200, Christophe Leroy wrote:
> Commit 26973fa5ac0e ("powerpc/mm: use pte helpers in generic code")
> changed those two functions to use pte helpers to determine which
> bits to clear and which bits to set.
> 
> This change was based on the assumption that bits to be set/cleared
> are always the same and can be determined by applying the pte
> manipulation helpers on __pte(0).
> 
> [...]

Applied to powerpc/next.

[1/3] powerpc/nohash: Fix __ptep_set_access_flags() and ptep_set_wrprotect()
      https://git.kernel.org/powerpc/c/b1b93cb7e794e914787bf7d9936b57a149cdee4f
[2/3] powerpc/book3e: Fix set_memory_x() and set_memory_nx()
      https://git.kernel.org/powerpc/c/b6cb20fdc2735f8b2e082937066c33fe376c2ee2
[3/3] powerpc/fsl_booke: Fix setting of exec flag when setting TLBCAMs
      https://git.kernel.org/powerpc/c/44c14509b0dabb909ad1ec28800893ea71762732

cheers