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From: | Nathan Froyd |
Subject: | Re: [Qemu-devel] [PATCH 4/6] ARM: linux-user: Restore VFP state from ucontext on sigreturn |
Date: | Mon, 29 Nov 2010 11:19:11 -0800 |
User-agent: | Mutt/1.5.17+20080114 (2008-01-14) |
On Wed, Nov 24, 2010 at 03:20:06PM +0000, Peter Maydell wrote: > Restore the VFP registers from the ucontext on return from a signal > handler in linux-user mode. This means that signal handlers cannot > accidentally corrupt the interrupted code's VFP state, and allows > them to deliberately modify the state via the ucontext structure. > > Signed-off-by: Peter Maydell <address@hidden> Reviewed-by: Nathan Froyd <address@hidden> -Nathan
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