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Date: Sun, 29 Aug 2010 20:35:52 -0400 From: Brian Gerst <brgerst@...il.com> To: Pekka Enberg <penberg@...nel.org> Cc: hpa@...or.com, x86@...nel.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH 03/11] x86: Merge tolerant_fwait() On Sun, Aug 29, 2010 at 2:32 PM, Pekka Enberg <penberg@...nel.org> wrote: > On Sat, Aug 28, 2010 at 7:04 PM, Brian Gerst <brgerst@...il.com> wrote: >> Now that 32-bit can handle exceptions from the kernel, switch to using >> the 64-bit version of tolerant_fwait() without fnclex. In the unlikely >> event an exception is triggered, it is simply ignored. >> >> Signed-off-by: Brian Gerst <brgerst@...il.com> > > Why is 32-bit able to handle exceptions? Is that part of this series > or is it some existing commit in tip or linus? > Commit e2e75c915de045f0785387dc32f55e92fab0614c merged the 32-bit and 64-bit math exception handlers into one, which calls fixup_exception(). -- Brian Gerst -- 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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