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Date: Fri, 27 Mar 2015 16:21:55 +0100 From: Borislav Petkov <bp@...en8.de> To: Dave Hansen <dave@...1.net> Cc: linux-kernel@...r.kernel.org, x86@...nel.org, tglx@...utronix.de, dave.hansen@...ux.intel.com, oleg@...hat.com Subject: Re: [PATCH 09/17] x86: make is_64bit_mm() widely available On Thu, Mar 26, 2015 at 11:33:45AM -0700, Dave Hansen wrote: > > From: Dave Hansen <dave.hansen@...ux.intel.com> > > The uprobes code has a nice helper, is_64bit_mm(), that consults both > the runtime and compile-time flags for 32-bit support. Instead of > reinventing the wheel, pull it in to an x86 header so we can use it > for MPX. > > I prefer passing the mm around to test_thread_flag(TIF_IA32) beacuse Just a nitpick: s/beacuse/because/ > it makes it explicit where the context is coming from. It will also > make it easier if we ever need to access the MPX structures from > another process. > > Signed-off-by: Dave Hansen <dave.hansen@...ux.intel.com> > Cc: Oleg Nesterov <oleg@...hat.com> > --- > > b/arch/x86/include/asm/mmu_context.h | 13 +++++++++++++ > b/arch/x86/kernel/uprobes.c | 10 +--------- > 2 files changed, 14 insertions(+), 9 deletions(-) -- Regards/Gruss, Boris. ECO tip #101: Trim your mails when you reply. -- -- 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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