Messages in this thread Patch in this message | | | Date | Mon, 06 Jan 2020 18:15:43 -0000 | From | "tip-bot2 for Yu-cheng Yu" <> | Subject | [tip: x86/fpu] x86/fpu/xstate: Make xfeature_is_supervisor()/xfeature_is_user() return bool |
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The following commit has been merged into the x86/fpu branch of tip:
Commit-ID: 158e2ee61f22b878d61de92bea5aad3d2df1c146 Gitweb: https://git.kernel.org/tip/158e2ee61f22b878d61de92bea5aad3d2df1c146 Author: Yu-cheng Yu <yu-cheng.yu@intel.com> AuthorDate: Thu, 12 Dec 2019 13:08:54 -08:00 Committer: Borislav Petkov <bp@suse.de> CommitterDate: Mon, 06 Jan 2020 19:08:40 +01:00
x86/fpu/xstate: Make xfeature_is_supervisor()/xfeature_is_user() return bool
Have both xfeature_is_supervisor()/xfeature_is_user() return bool because they are used only in boolean context.
Suggested-by: Borislav Petkov <bp@suse.de> Signed-off-by: Yu-cheng Yu <yu-cheng.yu@intel.com> Signed-off-by: Borislav Petkov <bp@suse.de> Acked-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Cc: Andy Lutomirski <luto@kernel.org> Cc: Dave Hansen <dave.hansen@linux.intel.com> Cc: Fenghua Yu <fenghua.yu@intel.com> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: "Ravi V. Shankar" <ravi.v.shankar@intel.com> Cc: Rik van Riel <riel@surriel.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Tony Luck <tony.luck@intel.com> Cc: x86-ml <x86@kernel.org> Link: https://lkml.kernel.org/r/20191212210855.19260-3-yu-cheng.yu@intel.com --- arch/x86/kernel/fpu/xstate.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/arch/x86/kernel/fpu/xstate.c b/arch/x86/kernel/fpu/xstate.c index 4588fc5..a180659 100644 --- a/arch/x86/kernel/fpu/xstate.c +++ b/arch/x86/kernel/fpu/xstate.c @@ -107,7 +107,7 @@ int cpu_has_xfeatures(u64 xfeatures_needed, const char **feature_name) } EXPORT_SYMBOL_GPL(cpu_has_xfeatures); -static int xfeature_is_supervisor(int xfeature_nr) +static bool xfeature_is_supervisor(int xfeature_nr) { /* * Extended State Enumeration Sub-leaves (EAX = 0DH, ECX = n, n > 1) @@ -117,10 +117,10 @@ static int xfeature_is_supervisor(int xfeature_nr) u32 eax, ebx, ecx, edx; cpuid_count(XSTATE_CPUID, xfeature_nr, &eax, &ebx, &ecx, &edx); - return !!(ecx & 1); + return ecx & 1; } -static int xfeature_is_user(int xfeature_nr) +static bool xfeature_is_user(int xfeature_nr) { return !xfeature_is_supervisor(xfeature_nr); }
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