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powerpc/mm: The 8xx doesn't call do_page_fault() for breakpoints 

The 8xx has a dedicated exception for breakpoints, that directly
calls do_break()

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
zero-colors
Christophe Leroy 2017-04-19 14:56:32 +02:00 committed by Michael Ellerman
parent da929f6af4
commit 92aa2fe039
1 changed files with 1 additions and 1 deletions
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arch/powerpc/mm/fault.c
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@ -254,7 +254,7 @@ int do_page_fault(struct pt_regs *regs, unsigned long address,
}
#if !(defined(CONFIG_4xx) || defined(CONFIG_BOOKE) || \
defined(CONFIG_PPC_BOOK3S_64))
defined(CONFIG_PPC_BOOK3S_64) || defined(CONFIG_PPC_8xx))
if (error_code & DSISR_DABRMATCH) {
/* breakpoint match */
do_break(regs, address, error_code);