From: linux@arm.linux.org.uk (Russell King - ARM Linux)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] ARM: LPAE: fix access flag setup in mem_type_table
Date: Tue, 15 May 2012 13:22:36 +0100 [thread overview]
Message-ID: <20120515122236.GL10453@n2100.arm.linux.org.uk> (raw)
In-Reply-To: <1337018189-27356-1-git-send-email-vitalya@ti.com>
On Mon, May 14, 2012 at 01:56:29PM -0400, Vitaly Andrianov wrote:
> A zero value for prot_sect in the memory types table implies that
> section mappings should never be created for the memory type in question.
> This is checked for in alloc_init_section().
>
> With LPAE, we set a bit to mask access flag faults for kernel mappings.
> This breaks the aforementioned (!prot_sect) check in alloc_init_section().
>
> This patch fixes this bug by first checking for a non-zero
> prot_sect before setting the PMD_SECT_AF flag.
>
> Signed-off-by: Vitaly Andrianov <vitalya@ti.com>
>
> Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Same comments as for the previous patch.
next prev parent reply other threads:[~2012-05-15 12:22 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-14 17:56 [PATCH] ARM: LPAE: fix access flag setup in mem_type_table Vitaly Andrianov
2012-05-15 12:22 ` Russell King - ARM Linux [this message]
-- strict thread matches above, loose matches on Subject: below --
2012-05-14 17:54 Vitaly Andrianov
2012-05-15 12:22 ` Russell King - ARM Linux
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