diff options
| author | Samuel Holland <samuel.holland@sifive.com> | 2024-03-29 00:18:30 -0700 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2024-05-19 14:36:20 -0700 |
| commit | 790a4a3dd1039ee07e7bb5854dcc7ccfbb40c876 (patch) | |
| tree | 74a7dc09b5948ec77ceb1dd946275c493dbf0ffd /lib/Makefile | |
| parent | 9613736d852dce2376a848e6e9af091c422a947e (diff) | |
selftests/fpu: allow building on other architectures
Now that ARCH_HAS_KERNEL_FPU_SUPPORT provides a common way to compile and
run floating-point code, this test is no longer x86-specific.
Link: https://lkml.kernel.org/r/20240329072441.591471-16-samuel.holland@sifive.com
Signed-off-by: Samuel Holland <samuel.holland@sifive.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Acked-by: Christian König <christian.koenig@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Borislav Petkov (AMD) <bp@alien8.de>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Huacai Chen <chenhuacai@kernel.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Masahiro Yamada <masahiroy@kernel.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Nathan Chancellor <nathan@kernel.org>
Cc: Nicolas Schier <nicolas@fjasle.eu>
Cc: Palmer Dabbelt <palmer@rivosinc.com>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: WANG Xuerui <git@xen0n.name>
Cc: Will Deacon <will@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'lib/Makefile')
| -rw-r--r-- | lib/Makefile | 25 |
1 files changed, 2 insertions, 23 deletions
diff --git a/lib/Makefile b/lib/Makefile index 87f8803587ae..3b1769045651 100644 --- a/lib/Makefile +++ b/lib/Makefile @@ -110,31 +110,10 @@ CFLAGS_test_fprobe.o += $(CC_FLAGS_FTRACE) obj-$(CONFIG_FPROBE_SANITY_TEST) += test_fprobe.o obj-$(CONFIG_TEST_OBJPOOL) += test_objpool.o -# -# CFLAGS for compiling floating point code inside the kernel. x86/Makefile turns -# off the generation of FPU/SSE* instructions for kernel proper but FPU_FLAGS -# get appended last to CFLAGS and thus override those previous compiler options. -# -FPU_CFLAGS := -msse -msse2 -ifdef CONFIG_CC_IS_GCC -# Stack alignment mismatch, proceed with caution. -# GCC < 7.1 cannot compile code using `double` and -mpreferred-stack-boundary=3 -# (8B stack alignment). -# See https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53383 -# -# The "-msse" in the first argument is there so that the -# -mpreferred-stack-boundary=3 build error: -# -# -mpreferred-stack-boundary=3 is not between 4 and 12 -# -# can be triggered. Otherwise gcc doesn't complain. -FPU_CFLAGS += -mhard-float -FPU_CFLAGS += $(call cc-option,-msse -mpreferred-stack-boundary=3,-mpreferred-stack-boundary=4) -endif - obj-$(CONFIG_TEST_FPU) += test_fpu.o test_fpu-y := test_fpu_glue.o test_fpu_impl.o -CFLAGS_test_fpu_impl.o += $(FPU_CFLAGS) +CFLAGS_test_fpu_impl.o += $(CC_FLAGS_FPU) +CFLAGS_REMOVE_test_fpu_impl.o += $(CC_FLAGS_NO_FPU) # Some KUnit files (hooks.o) need to be built-in even when KUnit is a module, # so we can't just use obj-$(CONFIG_KUNIT). |