From: Michael Ellerman <patch-notifications@ellerman.id.au>
To: Michael Ellerman <mpe@ellerman.id.au>,
Christophe Leroy <christophe.leroy@csgroup.eu>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Rui Salvaterra <rsalvaterra@gmail.com>,
Paul Mackerras <paulus@samba.org>
Cc: linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH] Revert "powerpc/32s: reorder Linux PTE bits to better match Hash PTE bits."
Date: Fri, 29 May 2020 00:04:40 +1000 (AEST) [thread overview]
Message-ID: <159067441582.2990081.4426286987662980016.b4-ty@ellerman.id.au> (raw)
In-Reply-To: <b34706f8de87f84d135abb5f3ede6b6f16fb1f41.1589969799.git.christophe.leroy@csgroup.eu>
On Wed, 20 May 2020 10:23:45 +0000 (UTC), Christophe Leroy wrote:
> This reverts commit 697ece78f8f749aeea40f2711389901f0974017a.
>
> The implementation of SWAP on powerpc requires page protection
> bits to not be one of the least significant PTE bits.
>
> Until the SWAP implementation is changed and this requirement voids,
> we have to keep at least _PAGE_RW outside of the 3 last bits.
>
> [...]
Applied to powerpc/fixes.
[1/1] Revert "powerpc/32s: reorder Linux PTE bits to better match Hash PTE bits."
https://git.kernel.org/powerpc/c/40bb0e904212cf7d6f041a98c58c8341b2016670
cheers
WARNING: multiple messages have this Message-ID (diff)
From: Michael Ellerman <patch-notifications@ellerman.id.au>
To: Michael Ellerman <mpe@ellerman.id.au>,
Christophe Leroy <christophe.leroy@csgroup.eu>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Rui Salvaterra <rsalvaterra@gmail.com>,
Paul Mackerras <paulus@samba.org>
Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] Revert "powerpc/32s: reorder Linux PTE bits to better match Hash PTE bits."
Date: Fri, 29 May 2020 00:04:40 +1000 (AEST) [thread overview]
Message-ID: <159067441582.2990081.4426286987662980016.b4-ty@ellerman.id.au> (raw)
In-Reply-To: <b34706f8de87f84d135abb5f3ede6b6f16fb1f41.1589969799.git.christophe.leroy@csgroup.eu>
On Wed, 20 May 2020 10:23:45 +0000 (UTC), Christophe Leroy wrote:
> This reverts commit 697ece78f8f749aeea40f2711389901f0974017a.
>
> The implementation of SWAP on powerpc requires page protection
> bits to not be one of the least significant PTE bits.
>
> Until the SWAP implementation is changed and this requirement voids,
> we have to keep at least _PAGE_RW outside of the 3 last bits.
>
> [...]
Applied to powerpc/fixes.
[1/1] Revert "powerpc/32s: reorder Linux PTE bits to better match Hash PTE bits."
https://git.kernel.org/powerpc/c/40bb0e904212cf7d6f041a98c58c8341b2016670
cheers
next prev parent reply other threads:[~2020-05-28 14:04 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-20 10:23 [PATCH] Revert "powerpc/32s: reorder Linux PTE bits to better match Hash PTE bits." Christophe Leroy
2020-05-20 10:23 ` Christophe Leroy
2020-05-28 14:04 ` Michael Ellerman [this message]
2020-05-28 14:04 ` Michael Ellerman
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