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| author |   Maciej W. Rozycki <macro@linux-mips.org> | 2015-04-03 23:26:04 +0100 |
|---|---|---|
| committer |   Ralf Baechle <ralf@linux-mips.org> | 2015-04-08 01:09:49 +0200 |
| commit | 18a2c2c6b9319503eeac8a38b62fc82c9ff81b0d (patch) | |
| tree | 42c8af04bc532a7b77b07fea94a3ce647346a067 /arch/mips/include/asm/cpu-features.h | |
| parent | MIPS: math-emu: Make NaN classifiers static (diff) | |
| download | linux-dev-18a2c2c6b9319503eeac8a38b62fc82c9ff81b0d.tar.xz linux-dev-18a2c2c6b9319503eeac8a38b62fc82c9ff81b0d.zip | |
MIPS: Correct `nofpu' non-functionality
The `cpu_has_fpu' feature flag must not be hardcoded to 1 or the `nofpu'
kernel option will be ignored. Remove any such overrides and add a
cautionary note. Hardcoding to 0 is fine for FPU-less platforms.
Signed-off-by: Maciej W. Rozycki <macro@linux-mips.org>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/9694/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/include/asm/cpu-features.h')
| -rw-r--r-- | arch/mips/include/asm/cpu-features.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/mips/include/asm/cpu-features.h b/arch/mips/include/asm/cpu-features.h index ea68a38bb61d..62a4730de86a 100644 --- a/arch/mips/include/asm/cpu-features.h +++ b/arch/mips/include/asm/cpu-features.h @@ -68,6 +68,7 @@ #ifndef cpu_has_octeon_cache #define cpu_has_octeon_cache 0 #endif +/* Don't override `cpu_has_fpu' to 1 or the "nofpu" option won't work. */ #ifndef cpu_has_fpu #define cpu_has_fpu (current_cpu_data.options & MIPS_CPU_FPU) #define raw_cpu_has_fpu (raw_current_cpu_data.options & MIPS_CPU_FPU) |