[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>
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@ -93,6 +93,7 @@ int __cpuinit __cpu_up(unsigned int cpu)
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pmd = pmd_offset(pgd + pgd_index(PHYS_OFFSET), PHYS_OFFSET);
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*pmd = __pmd((PHYS_OFFSET & PGDIR_MASK) |
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PMD_TYPE_SECT | PMD_SECT_AP_WRITE);
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flush_pmd_entry(pmd);
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/*
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* We need to tell the secondary core where to find
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@ -130,6 +131,7 @@ int __cpuinit __cpu_up(unsigned int cpu)
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secondary_data.pgdir = 0;
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*pmd = __pmd(0);
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clean_pmd_entry(pmd);
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pgd_free(&init_mm, pgd);
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if (ret) {
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