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ARM: 5885/1: arm: Flush TLB entries in setup_mm_for_reboot() 

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 <tony@atomide.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
hifive-unleashed-5.1
Tony Lindgren 2010-01-19 16:42:12 +01:00 committed by Russell King
parent 200b7a8dc0
commit ad3e6c0b1f
1 changed files with 2 additions and 0 deletions
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arch/arm/mm/mmu.c
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@ -1067,4 +1067,6 @@ void setup_mm_for_reboot(char mode)
pmd[1] = __pmd(pmdval + (1 << (PGDIR_SHIFT - 1)));
flush_pmd_entry(pmd);
}
local_flush_tlb_all();
}