Messages in this thread | | | Date | Wed, 9 Apr 2008 19:51:12 -0400 (EDT) | From | Steven Rostedt <> | Subject | Re: [PATCH] pop previous section in alternative.c |
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On Wed, 9 Apr 2008, Steven Rostedt wrote:
> > gcc expects all toplevel assembly to return to the original section type. > The code in alteranative.c does not do this. This caused some strange bugs > in sched-devel where code would end up in the .rodata section and when > the kernel sets the NX bit on all .rodata, the kernel would crash when > executing this code. > > This patch adds a .previous marker to return the code back to the > original section. >
Oh, and this would not be complete without giving Andrew Pinski complete credit for telling me it wasn't a gcc bug but a bug in the toplevel asm code in the kernel. ;-)
-- Steve
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