Commit-ID: 9729017f844431ab2800519297d8d1b0ecbc420d Gitweb: http://git.kernel.org/tip/9729017f844431ab2800519297d8d1b0ecbc420d Author: Andy Lutomirski <luto@xxxxxxxxxx> AuthorDate: Wed, 18 Jan 2017 11:15:42 -0800 Committer: Ingo Molnar <mingo@xxxxxxxxxx> CommitDate: Wed, 25 Jan 2017 10:12:44 +0100 x86/fpu: Fix the "Giving up, no FPU found" test We would never print "Giving up, no FPU found" because X86_FEATURE_FPU was in REQUIRED_MASK on non-FPU-emulating builds, so the boot_cpu_has() test didn't do anything. Signed-off-by: Andy Lutomirski <luto@xxxxxxxxxx> Reviewed-by: Borislav Petkov <bp@xxxxxxx> Cc: Borislav Petkov <bp@xxxxxxxxx> Cc: Brian Gerst <brgerst@xxxxxxxxx> Cc: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx> Cc: Fenghua Yu <fenghua.yu@xxxxxxxxx> Cc: H. Peter Anvin <hpa@xxxxxxxxx> Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> Cc: Matthew Whitehead <tedheadster@xxxxxxxxx> Cc: Oleg Nesterov <oleg@xxxxxxxxxx> Cc: One Thousand Gnomes <gnomes@xxxxxxxxxxxxxxxxxxx> Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx> Cc: Rik van Riel <riel@xxxxxxxxxx> Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx> Cc: Yu-cheng Yu <yu-cheng.yu@xxxxxxxxx> Link: http://lkml.kernel.org/r/1499077fa76f0f84b8ea28e37d3fa70beca4e310.1484705016.git.luto@xxxxxxxxxx Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx> --- arch/x86/kernel/fpu/init.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kernel/fpu/init.c b/arch/x86/kernel/fpu/init.c index 8b526c5..19bdd1b 100644 --- a/arch/x86/kernel/fpu/init.c +++ b/arch/x86/kernel/fpu/init.c @@ -77,7 +77,7 @@ static void fpu__init_system_early_generic(struct cpuinfo_x86 *c) } #ifndef CONFIG_MATH_EMULATION - if (!boot_cpu_has(X86_FEATURE_FPU)) { + if (!test_cpu_cap(&boot_cpu_data, X86_FEATURE_FPU)) { pr_emerg("x86/fpu: Giving up, no FPU found and no math emulation present\n"); for (;;) asm volatile("hlt"); -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html