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authorCatalin Marinas <catalin.marinas@arm.com>2009-02-11 13:14:57 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2009-02-12 10:59:45 +0000
commite9fc78230cb77647eb79d4b2f7c4d6c070f611f1 (patch)
tree831910a2a15b5a553c35bd4c6d77e476419054f7 /arch/arm/kernel
parent7279dc3e914635ab4b288ec39383272a06c466f3 (diff)
[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 <catalin.marinas@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/kernel')
-rw-r--r--arch/arm/kernel/smp.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c
index 55fa7ff96a3..7801aac3c04 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) {