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| Started by | "H. Peter Anvin" <hpa@zytor.com> |
|---|---|
| First post | 2015-09-30 20:40 +0200 |
| Last post | 2015-09-30 20:40 +0200 |
| Articles | 1 — 1 participant |
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Re: [PATCH v2 1/2] x86/msr: Carry on after a non-"safe" MSR access fails without !panic_on_oops "H. Peter Anvin" <hpa@zytor.com> - 2015-09-30 20:40 +0200
| From | "H. Peter Anvin" <hpa@zytor.com> |
|---|---|
| Date | 2015-09-30 20:40 +0200 |
| Subject | Re: [PATCH v2 1/2] x86/msr: Carry on after a non-"safe" MSR access fails without !panic_on_oops |
| Message-ID | <qeush-4KD-9@gated-at.bofh.it> |
On 09/21/2015 09:36 AM, Linus Torvalds wrote: > > How many msr reads are <i>so</i> critical that the function call > overhead would matter? Get rid of the inline version of the _safe() > thing too, and put that thing there too. > Probably only the ones that may go in the context switch path. -hpa -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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