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Groups > linux.kernel > #1626086
| From | Christophe Leroy <christophe.leroy@c-s.fr> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH 5/5] powerpc/mm: The 8xx doesn't call do_page_fault() for breakpoints |
| Date | 2017-04-19 15:00 +0200 |
| Message-ID | <txXnd-3yQ-51@gated-at.bofh.it> (permalink) |
| References | <txXnb-3yQ-11@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
The 8xx has a dedicated exception for breakpoints, that directly
calls do_break()
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
---
arch/powerpc/mm/fault.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/powerpc/mm/fault.c b/arch/powerpc/mm/fault.c
index 8d1639eee3af..400f2d0d42f8 100644
--- a/arch/powerpc/mm/fault.c
+++ b/arch/powerpc/mm/fault.c
@@ -251,7 +251,7 @@ 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);
--
2.12.0
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[PATCH 0/5] powerpc/mm: some cleanup of do_page_fault() Christophe Leroy <christophe.leroy@c-s.fr> - 2017-04-19 15:00 +0200
[PATCH 1/5] powerpc/mm: only call store_updates_sp() on stores in do_page_fault() Christophe Leroy <christophe.leroy@c-s.fr> - 2017-04-19 15:00 +0200
Re: [PATCH 1/5] powerpc/mm: only call store_updates_sp() on stores in do_page_fault() "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com> - 2017-04-24 11:20 +0200
[PATCH 2/5] powerpc/mm: split store_updates_sp() in two parts in do_page_fault() Christophe Leroy <christophe.leroy@c-s.fr> - 2017-04-19 15:00 +0200
Re: [PATCH 2/5] powerpc/mm: split store_updates_sp() in two parts in do_page_fault() "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com> - 2017-04-24 11:20 +0200
[PATCH 3/5] powerpc/mm: remove a redundant test in do_page_fault() Christophe Leroy <christophe.leroy@c-s.fr> - 2017-04-19 15:00 +0200
[PATCH 5/5] powerpc/mm: The 8xx doesn't call do_page_fault() for breakpoints Christophe Leroy <christophe.leroy@c-s.fr> - 2017-04-19 15:00 +0200
[PATCH 4/5] powerpc/mm: Evaluate user_mode(regs) only once in do_page_fault() Christophe Leroy <christophe.leroy@c-s.fr> - 2017-04-19 15:00 +0200
Re: [PATCH 4/5] powerpc/mm: Evaluate user_mode(regs) only once in do_page_fault() "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com> - 2017-04-24 11:20 +0200
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