From e9fc78230cb77647eb79d4b2f7c4d6c070f611f1 Mon Sep 17 00:00:00 2001 From: Catalin Marinas Date: Wed, 11 Feb 2009 13:14:57 +0100 Subject: [PATCH] [ARM] 5389/1: Make sure the pmd entries are visible by the secondary CPU The __cpu_up() function in arch/arm/kernel/smp.c sets the pmd entries without flushing or cleaning them. Signed-off-by: Catalin Marinas Signed-off-by: Russell King --- arch/arm/kernel/smp.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c index 55fa7ff96a3e..7801aac3c043 100644 --- a/arch/arm/kernel/smp.c +++ b/arch/arm/kernel/smp.c @@ -93,6 +93,7 @@ int __cpuinit __cpu_up(unsigned int cpu) pmd = pmd_offset(pgd + pgd_index(PHYS_OFFSET), PHYS_OFFSET); *pmd = __pmd((PHYS_OFFSET & PGDIR_MASK) | PMD_TYPE_SECT | PMD_SECT_AP_WRITE); + flush_pmd_entry(pmd); /* * We need to tell the secondary core where to find @@ -130,6 +131,7 @@ int __cpuinit __cpu_up(unsigned int cpu) secondary_data.pgdir = 0; *pmd = __pmd(0); + clean_pmd_entry(pmd); pgd_free(&init_mm, pgd); if (ret) { -- 2.20.1