From mboxrd@z Thu Jan 1 00:00:00 1970 From: linux@arm.linux.org.uk (Russell King - ARM Linux) Date: Wed, 16 Jan 2013 23:16:31 +0000 Subject: [PATCH] ARM: mm: Fix missing XN flag for for MT_MEMORY_SO In-Reply-To: <1358347762-14682-1-git-send-email-santosh.shilimkar@ti.com> References: <1358347762-14682-1-git-send-email-santosh.shilimkar@ti.com> Message-ID: <20130116231631.GW23505@n2100.arm.linux.org.uk> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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 > > Reported-by: Richard Woodruff > Signed-off-by: Santosh Shilimkar > --- 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 >