diff options
| author | Yu-cheng Yu <yu-cheng.yu@intel.com> | 2019-12-13 00:08:54 +0300 |
|---|---|---|
| committer | Borislav Petkov <bp@suse.de> | 2020-01-06 21:08:40 +0300 |
| commit | 158e2ee61f22b878d61de92bea5aad3d2df1c146 (patch) | |
| tree | ba092545e2e9e1a344543c747d64967f616f525b /arch/x86/kernel/fpu | |
| parent | 8c9e607376968865456b33d9a2efdee2c7e1030d (diff) | |
| download | linux-158e2ee61f22b878d61de92bea5aad3d2df1c146.tar.xz | |
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
Diffstat (limited to 'arch/x86/kernel/fpu')
| -rw-r--r-- | arch/x86/kernel/fpu/xstate.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/x86/kernel/fpu/xstate.c b/arch/x86/kernel/fpu/xstate.c index 4588fc57203e..a1806598aaa4 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); } |