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authorBorislav Petkov <bp@suse.de>2014-07-11 12:43:38 +0200
committerH. Peter Anvin <hpa@linux.intel.com>2014-07-11 17:28:51 -0700
commitb08ee5f7e4135d64b8edd769367f8964a725122e (patch)
treec23c93542548c4ef5da24ed60d3c5dc038b3b607 /arch/x86/kernel/acpi
parent891715793f0451e5114d200be932ac14ce8521a3 (diff)
downloadlinux-b08ee5f7e4135d64b8edd769367f8964a725122e.tar.bz2
x86: Simplify __HAVE_ARCH_CMPXCHG tests
Both the 32-bit and 64-bit cmpxchg.h header define __HAVE_ARCH_CMPXCHG and there's ifdeffery which checks it. But since both bitness define it, we can just as well move it up to the main cmpxchg header and simpify a bit of code in doing that. Signed-off-by: Borislav Petkov <bp@suse.de> Link: http://lkml.kernel.org/r/20140711104338.GB17083@pd.tnic Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Diffstat (limited to 'arch/x86/kernel/acpi')
-rw-r--r--arch/x86/kernel/acpi/boot.c4
1 files changed, 0 insertions, 4 deletions
diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c
index 86281ffb96d6..a531f6564ed0 100644
--- a/arch/x86/kernel/acpi/boot.c
+++ b/arch/x86/kernel/acpi/boot.c
@@ -74,10 +74,6 @@ int acpi_fix_pin2_polarity __initdata;
static u64 acpi_lapic_addr __initdata = APIC_DEFAULT_PHYS_BASE;
#endif
-#ifndef __HAVE_ARCH_CMPXCHG
-#warning ACPI uses CMPXCHG, i486 and later hardware
-#endif
-
/* --------------------------------------------------------------------------
Boot-time Configuration
-------------------------------------------------------------------------- */