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| author |   Shida Zhang <zhangshida@kylinos.cn> | 2022-05-02 11:20:02 +0800 |
|---|---|---|
| committer |   Thomas Bogendoerfer <tsbogend@alpha.franken.de> | 2022-05-04 22:26:02 +0200 |
| commit | 912a4427bec0e423c45dcf2afda079c22f505237 (patch) | |
| tree | 020ae2f4ac2e88bc4d0bf13c7533b8423d4a6c31 /arch/mips/include/asm | |
| parent | mips: ip22: Reword PANICED to PANICKED and remove useless header (diff) | |
| download | linux-dev-912a4427bec0e423c45dcf2afda079c22f505237.tar.xz linux-dev-912a4427bec0e423c45dcf2afda079c22f505237.zip | |
MIPS: adding a safety check for cpu_has_fpu
There is a chance 'cpu_has_fpu' would still be overridden when the
CONFIG_MIPS_FP_SUPPORT configuration option has been disabled. So
add a safety check for 'cpu_has_fpu'.
Suggested-by: Maciej W. Rozycki <macro@orcam.me.uk>
Signed-off-by: Shida Zhang <zhangshida@kylinos.cn>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Diffstat (limited to 'arch/mips/include/asm')
| -rw-r--r-- | arch/mips/include/asm/cpu-features.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/mips/include/asm/cpu-features.h b/arch/mips/include/asm/cpu-features.h index de8cb2ccb781..c0983130a44c 100644 --- a/arch/mips/include/asm/cpu-features.h +++ b/arch/mips/include/asm/cpu-features.h @@ -133,6 +133,9 @@ # define raw_cpu_has_fpu 0 # endif #else +# if cpu_has_fpu +# error "Forcing `cpu_has_fpu' to non-zero is not supported" +# endif # define raw_cpu_has_fpu cpu_has_fpu #endif #ifndef cpu_has_32fpr |