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Open Source and information security mailing list archives
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Date: Tue, 23 Aug 2011 12:26:24 -0700 From: "H. Peter Anvin" <hpa@...or.com> To: Linus Torvalds <torvalds@...ux-foundation.org> CC: Al Viro <viro@...iv.linux.org.uk>, Andrew Lutomirski <luto@....edu>, Borislav Petkov <bp@...64.org>, Ingo Molnar <mingo@...nel.org>, "user-mode-linux-devel@...ts.sourceforge.net" <user-mode-linux-devel@...ts.sourceforge.net>, Richard Weinberger <richard@....at>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, "mingo@...hat.com" <mingo@...hat.com> Subject: Re: [uml-devel] SYSCALL, ptrace and syscall restart breakages (Re: [RFC] weird crap with vdso on uml/i386) On 08/23/2011 12:24 PM, Linus Torvalds wrote: > On Tue, Aug 23, 2011 at 12:18 PM, H. Peter Anvin <hpa@...or.com> wrote: >> >> We could drop that information in a metaregister. It's not backward >> compatible, but at least it will be obvious when that information is >> available and not. > > Well, seriously, UML already looks at the word at "ip-2" for other > reasons. So it isn't like there is any point in adding more support to > just give you that information in another form. > Not for UML, but it might be useful for other things. Certainly lowers the priority, though. -hpa -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.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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