From mboxrd@z Thu Jan 1 00:00:00 1970 From: ratbert.chuang@gmail.com (Po-Yu Chuang) Date: Tue, 28 May 2013 18:48:20 +0800 Subject: [PATCH] ARM: map_init_section flushes incorrect pmd Message-ID: <1369738100-11152-1-git-send-email-ratbert.chuang@gmail.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org This bug was introduced in commit e651eab0. Some v4/v5 platforms failed to boot due to this. Signed-off-by: Po-Yu Chuang --- arch/arm/mm/mmu.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c index e0d8565..19a43f8 100644 --- a/arch/arm/mm/mmu.c +++ b/arch/arm/mm/mmu.c @@ -620,6 +620,8 @@ static void __init map_init_section(pmd_t *pmd, unsigned long addr, unsigned long end, phys_addr_t phys, const struct mem_type *type) { + pmd_t *p = pmd; + #ifndef CONFIG_ARM_LPAE /* * In classic MMU format, puds and pmds are folded in to @@ -638,7 +640,7 @@ static void __init map_init_section(pmd_t *pmd, unsigned long addr, phys += SECTION_SIZE; } while (pmd++, addr += SECTION_SIZE, addr != end); - flush_pmd_entry(pmd); + flush_pmd_entry(p); } static void __init alloc_init_pmd(pud_t *pud, unsigned long addr, -- 1.7.9.5