[Linaro-mm-sig] [PATCH] ARM: LPAE: fix access flag setup in mem_type_table
Russell King - ARM Linux
linux at arm.linux.org.uk
Tue May 15 12:22:16 UTC 2012
On Mon, May 14, 2012 at 01:54:57PM -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 at ti.com>
> Acked-by: Catalin Marinas <catalin.marinas at arm.com>
Please put this in the patch system. No blank line is needed between
s-off-by and acked-by.
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