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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-11-14 16:39:47 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-11-14 16:39:47 +0100 |
| commit | b7d91c915290ab0bfbab84a0fb9c9eae57816982 (patch) | |
| tree | 75c1d0e53e297f6bd1eae2c04ed463a8f603b5cd /arch/mips/kernel/mips-r2-to-r6-emul.c | |
| parent | f2ed287bcc9073d8edbf6561c389b282163edc78 (diff) | |
| parent | a25f0944ba9b1d8a6813fd6f1a86f1bd59ac25a6 (diff) | |
| download | linux-b7d91c915290ab0bfbab84a0fb9c9eae57816982.tar.gz | |
Merge 4.9-rc5 into char-misc-next
We want those fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/mips/kernel/mips-r2-to-r6-emul.c')
| -rw-r--r-- | arch/mips/kernel/mips-r2-to-r6-emul.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/arch/mips/kernel/mips-r2-to-r6-emul.c b/arch/mips/kernel/mips-r2-to-r6-emul.c index 22dedd62818a..bd09853aecdf 100644 --- a/arch/mips/kernel/mips-r2-to-r6-emul.c +++ b/arch/mips/kernel/mips-r2-to-r6-emul.c @@ -899,7 +899,7 @@ static inline int mipsr2_find_op_func(struct pt_regs *regs, u32 inst, * mipsr2_decoder: Decode and emulate a MIPS R2 instruction * @regs: Process register set * @inst: Instruction to decode and emulate - * @fcr31: Floating Point Control and Status Register returned + * @fcr31: Floating Point Control and Status Register Cause bits returned */ int mipsr2_decoder(struct pt_regs *regs, u32 inst, unsigned long *fcr31) { @@ -1172,13 +1172,13 @@ fpu_emul: err = fpu_emulator_cop1Handler(regs, ¤t->thread.fpu, 0, &fault_addr); - *fcr31 = current->thread.fpu.fcr31; /* - * We can't allow the emulated instruction to leave any of - * the cause bits set in $fcr31. + * We can't allow the emulated instruction to leave any + * enabled Cause bits set in $fcr31. */ - current->thread.fpu.fcr31 &= ~FPU_CSR_ALL_X; + *fcr31 = res = mask_fcr31_x(current->thread.fpu.fcr31); + current->thread.fpu.fcr31 &= ~res; /* * this is a tricky issue - lose_fpu() uses LL/SC atomics |