4.4-stable review patch. If anyone has any objections, please let me know.
------------------ From: Andy Lutomirski <l...@kernel.org> commit 02f39b2379fb81557ae864ec8f85421c0250c954 upstream. 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: Andy Lutomirski <l...@kernel.org> Signed-off-by: Rik van Riel <r...@redhat.com> Cc: Borislav Petkov <b...@alien8.de> Cc: Brian Gerst <brge...@gmail.com> Cc: Dave Hansen <dave.han...@linux.intel.com> Cc: Denys Vlasenko <dvlas...@redhat.com> Cc: Fenghua Yu <fenghua...@intel.com> Cc: H. Peter Anvin <h...@zytor.com> Cc: Josh Poimboeuf <jpoim...@redhat.com> Cc: Linus Torvalds <torva...@linux-foundation.org> Cc: Oleg Nesterov <o...@redhat.com> Cc: Peter Zijlstra <pet...@infradead.org> Cc: Quentin Casasnovas <quentin.casasno...@oracle.com> Cc: Thomas Gleixner <t...@linutronix.de> Cc: pbonz...@redhat.com Link: http://lkml.kernel.org/r/1475627678-20788-2-git-send-email-r...@redhat.com Signed-off-by: Ingo Molnar <mi...@kernel.org> Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org> --- arch/x86/crypto/crc32c-intel_glue.c | 5 ----- 1 file changed, 5 deletions(-) --- a/arch/x86/crypto/crc32c-intel_glue.c +++ b/arch/x86/crypto/crc32c-intel_glue.c @@ -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)
