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xen-devel
[Xen-devel] Re: [PATCH][RFC] jump_labels/x86: Use either 5 byte or 2 byt
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To: |
Steven Rostedt <rostedt@xxxxxxxxxxx> |
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Subject: |
[Xen-devel] Re: [PATCH][RFC] jump_labels/x86: Use either 5 byte or 2 byte jumps |
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From: |
"H. Peter Anvin" <hpa@xxxxxxxxx> |
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Date: |
Fri, 07 Oct 2011 14:48:19 -0700 |
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Cc: |
Jeremy Fitzhardinge <jeremy@xxxxxxxx>, the arch/x86 maintainers <x86@xxxxxxxxxx>, Jeremy Fitzhardinge <jeremy.fitzhardinge@xxxxxxxxxx>, David Daney <david.daney@xxxxxxxxxx>, peterz@xxxxxxxxxxxxx, Jason Baron <jbaron@xxxxxxxxxx>, Jan Glauber <jang@xxxxxxxxxxxxxxxxxx>, Richard Henderson <rth@xxxxxxxxxx>, Linux Kernel Mailing List <linux-kernel@xxxxxxxxxxxxxxx>, Michael Ellerman <michael@xxxxxxxxxxxxxx>, Xen Devel <xen-devel@xxxxxxxxxxxxxxxxxxx>, "David S. Miller" <davem@xxxxxxxxxxxxx> |
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Fri, 07 Oct 2011 14:50:14 -0700 |
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<4E8CF385.2080804@xxxxxxxxx> <4E8DEB19.1050509@xxxxxxxx> <20111006181055.GA2505@xxxxxxxxxx> <1317925615.4729.14.camel@xxxxxxxxxxxxxxxxxxx> <4E8DF870.6010000@xxxxxxxxxx> <1317929321.4729.17.camel@xxxxxxxxxxxxxxxxxxx> <4E8E20CD.5030207@xxxxxxxx> <1317938775.4729.29.camel@xxxxxxxxxxxxxxxxxxx> <4E8E275F.6010801@xxxxxxxx> <1318007374.4729.58.camel@xxxxxxxxxxxxxxxxxxx> <20111007185214.GD2978@xxxxxxxxxx> <1318015311.4729.69.camel@xxxxxxxxxxxxxxxxxxx> |
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On 10/07/2011 12:21 PM, Steven Rostedt wrote:
same here, at least WARN, more likely BUG()
I just don't like using BUG(). BUG() means that if we continue we will
corrupt the filesystem or make you go blind. WARN and returning here
should not cause any harm and will even let those with X terminals see
oops in /var/log/messages.
Uh, NO.
If this is wrong something in the kernel code stream is corrupted (heck,
you might just have caught a rootkit!)
Die. NOW.
-hpa
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- [Xen-devel] Re: [PATCH RFC V2 3/5] jump_label: if a key has already been initialized, don't nop it out, (continued)
- [Xen-devel] Re: [PATCH RFC V2 3/5] jump_label: if a key has already been initialized, don't nop it out, Jeremy Fitzhardinge
- [Xen-devel] Re: [PATCH RFC V2 3/5] jump_label: if a key has already been initialized, don't nop it out, Steven Rostedt
- [Xen-devel] Re: [PATCH RFC V2 3/5] jump_label: if a key has already been initialized, don't nop it out, Jeremy Fitzhardinge
- [Xen-devel] Re: [PATCH RFC V2 3/5] jump_label: if a key has already been initialized, don't nop it out, Steven Rostedt
- [Xen-devel] [PATCH][RFC] jump_labels/x86: Use either 5 byte or 2 byte jumps, Steven Rostedt
- [Xen-devel] Re: [PATCH][RFC] jump_labels/x86: Use either 5 byte or 2 byte jumps, Jeremy Fitzhardinge
- [Xen-devel] Re: [PATCH][RFC] jump_labels/x86: Use either 5 byte or 2 byte jumps, Peter Zijlstra
- [Xen-devel] Re: [PATCH][RFC] jump_labels/x86: Use either 5 byte or 2 byte jumps, Steven Rostedt
- [Xen-devel] Re: [PATCH][RFC] jump_labels/x86: Use either 5 byte or 2 byte jumps, Jason Baron
- [Xen-devel] Re: [PATCH][RFC] jump_labels/x86: Use either 5 byte or 2 byte jumps, Steven Rostedt
- [Xen-devel] Re: [PATCH][RFC] jump_labels/x86: Use either 5 byte or 2 byte jumps,
H. Peter Anvin <=
- [Xen-devel] Re: [PATCH][RFC] jump_labels/x86: Use either 5 byte or 2 byte jumps, Steven Rostedt
- [Xen-devel] Re: [PATCH][RFC] jump_labels/x86: Use either 5 byte or 2 byte jumps, H. Peter Anvin
- [Xen-devel] Re: [PATCH][RFC] jump_labels/x86: Use either 5 byte or 2 byte jumps, Steven Rostedt
- [Xen-devel] Re: [PATCH RFC V2 3/5] jump_label: if a key has already been initialized, don't nop it out, Jason Baron
- [Xen-devel] Re: [PATCH RFC V2 3/5] jump_label: if a key has already been initialized, don't nop it out, Steven Rostedt
[Xen-devel] Re: [PATCH RFC V2 3/5] jump_label: if a key has already been initialized, don't nop it out, Jason Baron
[Xen-devel] [PATCH RFC V2 4/5] x86/jump_label: drop arch_jump_label_text_poke_early(), Jeremy Fitzhardinge
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