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Date: Tue, 6 Jan 2015 11:51:26 -0800 From: Andy Lutomirski <luto@...capital.net> To: Andi Kleen <andi@...stfloor.org> Cc: Dave Hansen <dave.hansen@...ux.intel.com>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, X86 ML <x86@...nel.org>, Thomas Gleixner <tglx@...utronix.de>, ilya.enkovich@...el.com Subject: Re: [PATCH 3.19 3/3] x86, mpx: Change the MPX enable/disable API to arch_prctl On Tue, Jan 6, 2015 at 11:16 AM, Andi Kleen <andi@...stfloor.org> wrote: > On Tue, Jan 06, 2015 at 10:54:26AM -0800, Dave Hansen wrote: >> On 01/06/2015 10:41 AM, Andy Lutomirski wrote: >> > The runtime seems to be here: >> > >> > https://software.intel.com/protected-download/267266/144917 >> > >> > but I'm not going to accept the EULA. >> >> That is not the code I'm talking about here. > > The MPX run time patch is here (may not be the latest version) > > https://gcc.gnu.org/ml/gcc-patches/2014-11/msg01026.html > Ah, I see. Given that it doesn't seen to have been committed yet, I'm not too worried about compatibility. And "prctl (43)" doesn't actually seem a whole lot better than "syscall(SYS_arch_prctl, ARCH_ENABLE_MPX, 0)" (preprocessor macros ftw!). But I don't feel that strongly about this point. --Andy -- 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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