| Message ID | 1358347762-14682-1-git-send-email-santosh.shilimkar@ti.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Wed, Jan 16, 2013 at 08:19:22PM +0530, Santosh Shilimkar wrote: > Commit 8fb54284ba6a {ARM: mm: Add strongly ordered descriptor support} > added XN flag at section level but missed it at PTE level. > > Fix it by adding the L_PTE_XN to MT_MEMORY_SO PET descriptor. > > Cc: Russell King <linux@arm.linux.org.uk> > > Reported-by: Richard Woodruff <r-woodruff2@ti.com> > Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com> > --- Hmm, yes. => patch system please. > arch/arm/mm/mmu.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c > index 9f06102..ce328c7 100644 > --- a/arch/arm/mm/mmu.c > +++ b/arch/arm/mm/mmu.c > @@ -283,7 +283,7 @@ static struct mem_type mem_types[] = { > }, > [MT_MEMORY_SO] = { > .prot_pte = L_PTE_PRESENT | L_PTE_YOUNG | L_PTE_DIRTY | > - L_PTE_MT_UNCACHED, > + L_PTE_MT_UNCACHED | L_PTE_XN, > .prot_l1 = PMD_TYPE_TABLE, > .prot_sect = PMD_TYPE_SECT | PMD_SECT_AP_WRITE | PMD_SECT_S | > PMD_SECT_UNCACHED | PMD_SECT_XN, > -- > 1.7.9.5 >
On Thursday 17 January 2013 04:46 AM, Russell King - ARM Linux wrote: > On Wed, Jan 16, 2013 at 08:19:22PM +0530, Santosh Shilimkar wrote: >> Commit 8fb54284ba6a {ARM: mm: Add strongly ordered descriptor support} >> added XN flag at section level but missed it at PTE level. >> >> Fix it by adding the L_PTE_XN to MT_MEMORY_SO PET descriptor. >> >> Cc: Russell King <linux@arm.linux.org.uk> >> >> Reported-by: Richard Woodruff <r-woodruff2@ti.com> >> Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com> >> --- > > Hmm, yes. => patch system please. > 7629/1 in patch system. Regards, Santosh
diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c index 9f06102..ce328c7 100644 --- a/arch/arm/mm/mmu.c +++ b/arch/arm/mm/mmu.c @@ -283,7 +283,7 @@ static struct mem_type mem_types[] = { }, [MT_MEMORY_SO] = { .prot_pte = L_PTE_PRESENT | L_PTE_YOUNG | L_PTE_DIRTY | - L_PTE_MT_UNCACHED, + L_PTE_MT_UNCACHED | L_PTE_XN, .prot_l1 = PMD_TYPE_TABLE, .prot_sect = PMD_TYPE_SECT | PMD_SECT_AP_WRITE | PMD_SECT_S | PMD_SECT_UNCACHED | PMD_SECT_XN,
Commit 8fb54284ba6a {ARM: mm: Add strongly ordered descriptor support} added XN flag at section level but missed it at PTE level. Fix it by adding the L_PTE_XN to MT_MEMORY_SO PET descriptor. Cc: Russell King <linux@arm.linux.org.uk> Reported-by: Richard Woodruff <r-woodruff2@ti.com> Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com> --- arch/arm/mm/mmu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)