* [PATCH] x86/umip: Print UMIP line only once
@ 2018-11-27 20:59 Borislav Petkov
2018-11-30 20:28 ` Ricardo Neri
2018-12-03 17:18 ` [tip:x86/cpu] " tip-bot for Borislav Petkov
0 siblings, 2 replies; 3+ messages in thread
From: Borislav Petkov @ 2018-11-27 20:59 UTC (permalink / raw)
To: LKML; +Cc: H. Peter Anvin, Ingo Molnar, Ricardo Neri, Thomas Gleixner
From: Borislav Petkov <bp@suse.de>
... instead of issuing it per CPU and flooding dmesg unnecessarily.
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Ricardo Neri <ricardo.neri-calderon@linux.intel.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
---
arch/x86/kernel/cpu/common.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
index ffb181f959d2..2c56b8066280 100644
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -353,7 +353,7 @@ static __always_inline void setup_umip(struct cpuinfo_x86 *c)
cr4_set_bits(X86_CR4_UMIP);
- pr_info("x86/cpu: Activated the Intel User Mode Instruction Prevention (UMIP) CPU feature\n");
+ pr_info_once("x86/cpu: Intel User Mode Instruction Prevention (UMIP) activated\n");
return;
--
2.19.1
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH] x86/umip: Print UMIP line only once
2018-11-27 20:59 [PATCH] x86/umip: Print UMIP line only once Borislav Petkov
@ 2018-11-30 20:28 ` Ricardo Neri
2018-12-03 17:18 ` [tip:x86/cpu] " tip-bot for Borislav Petkov
1 sibling, 0 replies; 3+ messages in thread
From: Ricardo Neri @ 2018-11-30 20:28 UTC (permalink / raw)
To: Borislav Petkov; +Cc: LKML, H. Peter Anvin, Ingo Molnar, Thomas Gleixner
On Tue, Nov 27, 2018 at 09:59:36PM +0100, Borislav Petkov wrote:
> From: Borislav Petkov <bp@suse.de>
>
> ... instead of issuing it per CPU and flooding dmesg unnecessarily.
>
> Signed-off-by: Borislav Petkov <bp@suse.de>
> Cc: "H. Peter Anvin" <hpa@zytor.com>
> Cc: Ingo Molnar <mingo@redhat.com>
> Cc: Ricardo Neri <ricardo.neri-calderon@linux.intel.com>
> Cc: Thomas Gleixner <tglx@linutronix.de>
This make sense to me. I also noticed that this message was being
printed when CPUs were put offline and the back online. There was
no need for it.
Thanks and BR,
Ricardo
^ permalink raw reply [flat|nested] 3+ messages in thread
* [tip:x86/cpu] x86/umip: Print UMIP line only once
2018-11-27 20:59 [PATCH] x86/umip: Print UMIP line only once Borislav Petkov
2018-11-30 20:28 ` Ricardo Neri
@ 2018-12-03 17:18 ` tip-bot for Borislav Petkov
1 sibling, 0 replies; 3+ messages in thread
From: tip-bot for Borislav Petkov @ 2018-12-03 17:18 UTC (permalink / raw)
To: linux-tip-commits
Cc: mingo, hpa, linux-kernel, bp, ricardo.neri-calderon, tglx, mingo
Commit-ID: 0abbbc63d0251a25d3df6c8a56ab3d3c20af082c
Gitweb: https://git.kernel.org/tip/0abbbc63d0251a25d3df6c8a56ab3d3c20af082c
Author: Borislav Petkov <bp@suse.de>
AuthorDate: Tue, 27 Nov 2018 21:54:18 +0100
Committer: Borislav Petkov <bp@suse.de>
CommitDate: Mon, 3 Dec 2018 16:59:10 +0100
x86/umip: Print UMIP line only once
... instead of issuing it per CPU and flooding dmesg unnecessarily.
Streamline the formulation, while at it.
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Ricardo Neri <ricardo.neri-calderon@linux.intel.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: https://lkml.kernel.org/r/20181127205936.30331-1-bp@alien8.de
---
arch/x86/kernel/cpu/common.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
index ffb181f959d2..2c56b8066280 100644
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -353,7 +353,7 @@ static __always_inline void setup_umip(struct cpuinfo_x86 *c)
cr4_set_bits(X86_CR4_UMIP);
- pr_info("x86/cpu: Activated the Intel User Mode Instruction Prevention (UMIP) CPU feature\n");
+ pr_info_once("x86/cpu: Intel User Mode Instruction Prevention (UMIP) activated\n");
return;
^ permalink raw reply related [flat|nested] 3+ messages in thread
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2018-11-27 20:59 [PATCH] x86/umip: Print UMIP line only once Borislav Petkov
2018-11-30 20:28 ` Ricardo Neri
2018-12-03 17:18 ` [tip:x86/cpu] " tip-bot for Borislav Petkov
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