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Commit 93d5bf07 authored by Santosh Shilimkar's avatar Santosh Shilimkar Committed by Russell King
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ARM: 7629/1: mm: Fix missing XN flag for for MT_MEMORY_SO 



Commit 8fb54284 {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 PTE descriptor.

Reported-by: default avatarRichard Woodruff <r-woodruff2@ti.com>
Signed-off-by: default avatarSantosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent 15653371

arch/arm/mm/mmu.c

+1 −1
Original line number Diff line number Diff line
@@ -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,