From: "tip-bot2 for Yu-cheng Yu" <tip-bot2@linutronix.de>
To: linux-tip-commits@vger.kernel.org
Cc: Borislav Petkov <bp@suse.de>,
"Yu-cheng Yu" <yu-cheng.yu@intel.com>,
Sebastian Andrzej Siewior <bigeasy@linutronix.de>,
Andy Lutomirski <luto@kernel.org>,
Dave Hansen <dave.hansen@linux.intel.com>,
Fenghua Yu <fenghua.yu@intel.com>,
"H. Peter Anvin" <hpa@zytor.com>, Ingo Molnar <mingo@redhat.com>,
Peter Zijlstra <peterz@infradead.org>,
"Ravi V. Shankar" <ravi.v.shankar@intel.com>,
Rik van Riel <riel@surriel.com>,
Thomas Gleixner <tglx@linutronix.de>,
Tony Luck <tony.luck@intel.com>, "x86-ml" <x86@kernel.org>,
LKML <linux-kernel@vger.kernel.org>
Subject: [tip: x86/fpu] x86/fpu/xstate: Make xfeature_is_supervisor()/xfeature_is_user() return bool
Date: Mon, 06 Jan 2020 18:15:43 -0000 [thread overview]
Message-ID: <157833454385.30329.3292220275280944464.tip-bot2@tip-bot2> (raw)
In-Reply-To: <20191212210855.19260-3-yu-cheng.yu@intel.com>
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);
}
next prev parent reply other threads:[~2020-01-06 18:16 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-12-12 21:08 [PATCH v2 0/3] Fix small issues in XSAVES Yu-cheng Yu
2019-12-12 21:08 ` [PATCH v2 1/3] x86/fpu/xstate: Fix small issues before adding supervisor xstates Yu-cheng Yu
2019-12-20 20:19 ` Sebastian Andrzej Siewior
2020-01-06 18:15 ` [tip: x86/fpu] x86/fpu/xstate: Fix small issues tip-bot2 for Yu-cheng Yu
2019-12-12 21:08 ` [PATCH v2 2/3] x86/fpu/xstate: Make xfeature_is_supervisor()/xfeature_is_user() return bool Yu-cheng Yu
2019-12-20 20:19 ` Sebastian Andrzej Siewior
2019-12-20 20:33 ` Yu-cheng Yu
2020-01-06 18:15 ` tip-bot2 for Yu-cheng Yu [this message]
2019-12-12 21:08 ` [PATCH v2 3/3] x86/fpu/xstate: Invalidate fpregs when __fpu_restore_sig() fails Yu-cheng Yu
2019-12-18 15:54 ` Sebastian Andrzej Siewior
2019-12-18 20:53 ` Yu-cheng Yu
2019-12-19 14:22 ` Sebastian Andrzej Siewior
2019-12-19 16:44 ` Yu-cheng Yu
2019-12-19 17:16 ` Sebastian Andrzej Siewior
2019-12-19 17:40 ` Yu-cheng Yu
2019-12-20 19:59 ` [PATCH] x86/fpu: Deacticate FPU state after failure during state load Sebastian Andrzej Siewior
2020-01-07 12:52 ` [tip: x86/fpu] x86/fpu: Deactivate " tip-bot2 for Sebastian Andrzej Siewior
2020-01-07 20:41 ` Andy Lutomirski
2020-01-07 20:38 ` Yu-cheng Yu
2020-01-07 21:11 ` Sebastian Andrzej Siewior
2020-01-08 11:45 ` Borislav Petkov
2020-01-08 11:46 ` Borislav Petkov
2019-12-20 20:16 ` [PATCH v2 3/3] x86/fpu/xstate: Invalidate fpregs when __fpu_restore_sig() fails Sebastian Andrzej Siewior
2019-12-20 20:32 ` Yu-cheng Yu
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