From mboxrd@z Thu Jan 1 00:00:00 1970 From: tony@atomide.com (Tony Lindgren) Date: Fri, 18 Dec 2009 19:46:19 -0800 Subject: [PATCH 3/5] arm: Flush TLB entries in setup_mm_for_reboot() In-Reply-To: <20091219034151.26198.26570.stgit@localhost> References: <20091219034151.26198.26570.stgit@localhost> Message-ID: <20091219034619.26198.58992.stgit@localhost> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org We need to do that if we tinker with the MMU entries. This fixes the occasional bug with kexec where the new fails to uncompress with "crc error". Most likely at least kexec on v6 and v7 need this fix. Signed-off-by: Tony Lindgren --- arch/arm/mm/mmu.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-) diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c index 8c7fbd1..a2802ea 100644 --- a/arch/arm/mm/mmu.c +++ b/arch/arm/mm/mmu.c @@ -1068,4 +1068,7 @@ void setup_mm_for_reboot(char mode) pmd[1] = __pmd(pmdval + (1 << (PGDIR_SHIFT - 1))); flush_pmd_entry(pmd); } + + local_flush_tlb_all(); + flush_cache_all(); }