提交 02f39b23 编写于 作者: A Andy Lutomirski 提交者: Ingo Molnar

x86/crypto, x86/fpu: Remove X86_FEATURE_EAGER_FPU #ifdef from the crc32c code

The crypto code was checking both use_eager_fpu() and
defined(X86_FEATURE_EAGER_FPU).  The latter was nonsensical, so
remove it.  This will avoid breakage when we remove
X86_FEATURE_EAGER_FPU.
Signed-off-by: NAndy Lutomirski <luto@kernel.org>
Signed-off-by: NRik van Riel <riel@redhat.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Quentin Casasnovas <quentin.casasnovas@oracle.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: pbonzini@redhat.com
Link: http://lkml.kernel.org/r/1475627678-20788-2-git-send-email-riel@redhat.comSigned-off-by: NIngo Molnar <mingo@kernel.org>
上级 597f03f9
......@@ -58,16 +58,11 @@
asmlinkage unsigned int crc_pcl(const u8 *buffer, int len,
unsigned int crc_init);
static int crc32c_pcl_breakeven = CRC32C_PCL_BREAKEVEN_EAGERFPU;
#if defined(X86_FEATURE_EAGER_FPU)
#define set_pcl_breakeven_point() \
do { \
if (!use_eager_fpu()) \
crc32c_pcl_breakeven = CRC32C_PCL_BREAKEVEN_NOEAGERFPU; \
} while (0)
#else
#define set_pcl_breakeven_point() \
(crc32c_pcl_breakeven = CRC32C_PCL_BREAKEVEN_NOEAGERFPU)
#endif
#endif /* CONFIG_X86_64 */
static u32 crc32c_intel_le_hw_byte(u32 crc, unsigned char const *data, size_t length)
......
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