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[v2,2/2] MIPS: IP30: Remove incorrect `cpu_has_fpu' override

Message ID alpine.DEB.2.21.2204301603530.9383@angie.orcam.me.uk (mailing list archive)
State Superseded
Headers show
Series MIPS: Remove incorrect `cpu_has_fpu' overrides | expand

Commit Message

Maciej W. Rozycki April 30, 2022, 3:07 p.m. UTC
Remove unsupported forcing of `cpu_has_fpu' to 1, which makes the `nofpu' 
kernel parameter non-functional, and also causes a link error:

ld: arch/mips/kernel/traps.o: in function `trap_init':
./arch/mips/include/asm/msa.h:(.init.text+0x348): undefined reference to `handle_fpe'
ld: ./arch/mips/include/asm/msa.h:(.init.text+0x354): undefined reference to `handle_fpe'
ld: ./arch/mips/include/asm/msa.h:(.init.text+0x360): undefined reference to `handle_fpe'

where the CONFIG_MIPS_FP_SUPPORT configuration option has been disabled.

Signed-off-by: Maciej W. Rozycki <macro@orcam.me.uk>
Fixes: 7505576d1c1a ("MIPS: add support for SGI Octane (IP30)")
Cc: stable@vger.kernel.org # v5.5+
---
Changes from v1:

- s/chosen/disabled/ in the change description.
---
 arch/mips/include/asm/mach-ip30/cpu-feature-overrides.h |    1 -
 1 file changed, 1 deletion(-)

linux-mips-ip30-cpu-has-fpu.diff
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Patch

Index: linux-macro/arch/mips/include/asm/mach-ip30/cpu-feature-overrides.h
===================================================================
--- linux-macro.orig/arch/mips/include/asm/mach-ip30/cpu-feature-overrides.h
+++ linux-macro/arch/mips/include/asm/mach-ip30/cpu-feature-overrides.h
@@ -28,7 +28,6 @@ 
 #define cpu_has_4kex			1
 #define cpu_has_3k_cache		0
 #define cpu_has_4k_cache		1
-#define cpu_has_fpu			1
 #define cpu_has_nofpuex			0
 #define cpu_has_32fpr			1
 #define cpu_has_counter			1