From: Christoph Hellwig <hch@lst.de>
To: Christophe Leroy <christophe.leroy@c-s.fr>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Paul Mackerras <paulus@samba.org>,
Michael Ellerman <mpe@ellerman.id.au>,
npiggin@gmail.com, hch@lst.de, linux-kernel@vger.kernel.org,
linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH v2 02/12] powerpc/ps3: replace __ioremap() by ioremap_prot()
Date: Wed, 21 Aug 2019 00:24:07 +0200 [thread overview]
Message-ID: <20190820222407.GA18433@lst.de> (raw)
In-Reply-To: <36bff5d875ff562889c5e12dab63e5d7c5d1fbd8.1566309262.git.christophe.leroy@c-s.fr>
On Tue, Aug 20, 2019 at 02:07:10PM +0000, Christophe Leroy wrote:
> __ioremap() is similar to ioremap_prot() except that ioremap_prot()
> does a few sanity changes in addition.
>
> The flags used by PS3 are not impacted by those changes so for
> PS3 both functions are equivalent.
>
> At the same time, drop parts of the comment that have been invalid
> since commit e58e87adc8bf ("powerpc/mm: Update _PAGE_KERNEL_RO")
>
> Suggested-by: Christoph Hellwig <hch@lst.de>
> Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Looks good,
Reviewed-by: Christoph Hellwig <hch@lst.de>
WARNING: multiple messages have this Message-ID (diff)
From: Christoph Hellwig <hch@lst.de>
To: Christophe Leroy <christophe.leroy@c-s.fr>
Cc: linux-kernel@vger.kernel.org, npiggin@gmail.com,
Paul Mackerras <paulus@samba.org>,
linuxppc-dev@lists.ozlabs.org, hch@lst.de
Subject: Re: [PATCH v2 02/12] powerpc/ps3: replace __ioremap() by ioremap_prot()
Date: Wed, 21 Aug 2019 00:24:07 +0200 [thread overview]
Message-ID: <20190820222407.GA18433@lst.de> (raw)
In-Reply-To: <36bff5d875ff562889c5e12dab63e5d7c5d1fbd8.1566309262.git.christophe.leroy@c-s.fr>
On Tue, Aug 20, 2019 at 02:07:10PM +0000, Christophe Leroy wrote:
> __ioremap() is similar to ioremap_prot() except that ioremap_prot()
> does a few sanity changes in addition.
>
> The flags used by PS3 are not impacted by those changes so for
> PS3 both functions are equivalent.
>
> At the same time, drop parts of the comment that have been invalid
> since commit e58e87adc8bf ("powerpc/mm: Update _PAGE_KERNEL_RO")
>
> Suggested-by: Christoph Hellwig <hch@lst.de>
> Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Looks good,
Reviewed-by: Christoph Hellwig <hch@lst.de>
next prev parent reply other threads:[~2019-08-20 22:24 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-20 14:07 [PATCH v2 00/12] powerpc/mm: cleanup and refactoring in ioremap Christophe Leroy
2019-08-20 14:07 ` Christophe Leroy
2019-08-20 14:07 ` [PATCH v2 01/12] powerpc: remove the ppc44x ocm.c file Christophe Leroy
2019-08-20 14:07 ` Christophe Leroy
2019-08-28 4:24 ` Michael Ellerman
2019-08-20 14:07 ` [PATCH v2 02/12] powerpc/ps3: replace __ioremap() by ioremap_prot() Christophe Leroy
2019-08-20 14:07 ` Christophe Leroy
2019-08-20 22:24 ` Christoph Hellwig [this message]
2019-08-20 22:24 ` Christoph Hellwig
2019-08-20 14:07 ` [PATCH v2 03/12] powerpc/mm: drop ppc_md.iounmap() and __iounmap() Christophe Leroy
2019-08-20 14:07 ` Christophe Leroy
2019-08-20 14:07 ` [PATCH v2 04/12] powerpc/mm: drop function __ioremap() Christophe Leroy
2019-08-20 14:07 ` Christophe Leroy
2019-08-20 22:24 ` Christoph Hellwig
2019-08-20 22:24 ` Christoph Hellwig
2019-08-20 14:07 ` [PATCH v2 05/12] powerpc/mm: rework io-workaround invocation Christophe Leroy
2019-08-20 14:07 ` Christophe Leroy
2019-08-20 22:28 ` Christoph Hellwig
2019-08-20 22:28 ` Christoph Hellwig
2019-08-21 0:42 ` Benjamin Herrenschmidt
2019-08-21 0:42 ` Benjamin Herrenschmidt
2019-08-20 14:07 ` [PATCH v2 06/12] powerpc/mm: move common 32/64 bits ioremap functions into ioremap.c Christophe Leroy
2019-08-20 14:07 ` Christophe Leroy
2019-08-20 14:07 ` [PATCH v2 07/12] powerpc/mm: move ioremap_prot() " Christophe Leroy
2019-08-20 14:07 ` Christophe Leroy
2019-08-20 22:28 ` Christoph Hellwig
2019-08-20 22:28 ` Christoph Hellwig
2019-08-20 14:07 ` [PATCH v2 08/12] powerpc/mm: make ioremap_bot common to all Christophe Leroy
2019-08-20 14:07 ` Christophe Leroy
2019-08-20 14:07 ` [PATCH v2 09/12] powerpc/mm: Move ioremap functions out of pgtable_32/64.c Christophe Leroy
2019-08-20 14:07 ` Christophe Leroy
2019-08-20 14:07 ` [PATCH v2 10/12] powerpc/mm: refactor ioremap_range() and use ioremap_page_range() Christophe Leroy
2019-08-20 14:07 ` Christophe Leroy
2019-08-20 14:07 ` [PATCH v2 11/12] powerpc/mm: refactor ioremap vm area setup Christophe Leroy
2019-08-20 14:07 ` Christophe Leroy
2019-08-20 14:07 ` [PATCH v2 12/12] powerpc/mm: split out early ioremap path Christophe Leroy
2019-08-20 14:07 ` Christophe Leroy
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