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Groups > linux.kernel > #1626082
| From | Christophe Leroy <christophe.leroy@c-s.fr> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH 3/5] powerpc/mm: remove a redundant test in do_page_fault() |
| Date | 2017-04-19 15:00 +0200 |
| Message-ID | <txXnc-3yQ-43@gated-at.bofh.it> (permalink) |
| References | <txXnb-3yQ-11@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
The result of (trap == 0x400) is already in is_exec. 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 9d21e5fd383d..b56bf472db6d 100644 --- a/arch/powerpc/mm/fault.c +++ b/arch/powerpc/mm/fault.c @@ -213,7 +213,7 @@ int do_page_fault(struct pt_regs *regs, unsigned long address, * bits we are interested in. But there are some bits which * indicate errors in DSISR but can validly be set in SRR1. */ - if (trap == 0x400) + if (is_exec) error_code &= 0x48200000; else is_write = error_code & DSISR_ISSTORE; -- 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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