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MIPS: Fix ISA I FP sigcontext access violation handling 

Complement commit 0ae8dceaebe3 ("Merge with 2.3.10.") and use the local
`fault' handler to recover from FP sigcontext access violation faults,
like corresponding code does in r4k_fpu.S.  The `bad_stack' handler is
in syscall.c and is not suitable here as we want to propagate the error
condition up through the caller rather than killing the thread outright.

Signed-off-by: Maciej W. Rozycki <macro@imgtec.com>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/14474/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Maciej W. Rozycki 2016-10-31 16:25:44 +00:00 committed by Ralf Baechle
parent 5a1aca4469
commit 35938a00ba
1 changed files with 1 additions and 1 deletions
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2
arch/mips/kernel/r2300_fpu.S
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@ -21,7 +21,7 @@
#define EX(a,b) \
9: a,##b; \
.section __ex_table,"a"; \
PTR 9b,bad_stack; \
PTR 9b,fault; \
.previous
.set noreorder