Commit e9fc7823 authored by Catalin Marinas's avatar Catalin Marinas Committed by Russell King
Browse files

[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: default avatarCatalin Marinas <catalin.marinas@arm.com>
Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent 7279dc3e

arch/arm/kernel/smp.c

+2 −0
Original line number Diff line number Diff line
@@ -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) {