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authorPaul Cercueil <paul@crapouillou.net>2021-06-25 13:49:29 +0300
committerThomas Bogendoerfer <tsbogend@alpha.franken.de>2021-06-29 11:14:58 +0300
commitcad065ed8d8831df67b9754cc4437ed55d8b48c0 (patch)
treea38ebdce83a0c1af3549255cda3b6f4d4f6ffa7a
parenta2cdc24e20573cf719f3171071368f4f7781d970 (diff)
downloadlinux-cad065ed8d8831df67b9754cc4437ed55d8b48c0.tar.xz
MIPS: MT extensions are not available on MIPS32r1
MIPS MT extensions were added with the MIPS 34K processor, which was based on the MIPS32r2 ISA. This fixes a build error when building a generic kernel for a MIPS32r1 CPU. Fixes: c434b9f80b09 ("MIPS: Kconfig: add MIPS_GENERIC_KERNEL symbol") Cc: stable@vger.kernel.org # v5.9 Signed-off-by: Paul Cercueil <paul@crapouillou.net> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
-rw-r--r--arch/mips/include/asm/cpu-features.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/mips/include/asm/cpu-features.h b/arch/mips/include/asm/cpu-features.h
index 336e02b3b3ce..3d71081afc55 100644
--- a/arch/mips/include/asm/cpu-features.h
+++ b/arch/mips/include/asm/cpu-features.h
@@ -64,6 +64,8 @@
((MIPS_ISA_REV >= (ge)) && (MIPS_ISA_REV < (lt)))
#define __isa_range_or_flag(ge, lt, flag) \
(__isa_range(ge, lt) || ((MIPS_ISA_REV < (lt)) && __isa(flag)))
+#define __isa_range_and_ase(ge, lt, ase) \
+ (__isa_range(ge, lt) && __ase(ase))
/*
* SMP assumption: Options of CPU 0 are a superset of all processors.
@@ -421,7 +423,7 @@
#endif
#ifndef cpu_has_mipsmt
-#define cpu_has_mipsmt __isa_lt_and_ase(6, MIPS_ASE_MIPSMT)
+#define cpu_has_mipsmt __isa_range_and_ase(2, 6, MIPS_ASE_MIPSMT)
#endif
#ifndef cpu_has_vp