Re: [x86] BUG: unable to handle kernel paging request at 00740060

[Peter Zijlstra]

On Wed, Oct 09, 2013 at 08:19:11PM +0800, Fengguang Wu wrote:
> > > Fengguang, I do not think this will help, but just in case. Could you
> > > show the result of
> > > 
> > >         $ kernel/task_work.s
> 
> Update: I recompiled the kernel with gcc 4.4.7 and find it booting fine!

> # 208 "/c/wfg/tip/arch/x86/include/asm/bitops.h" 1
> 	bts $1, 8(%eax); setc %dl	#,, c

That compiler doesn't appear to have asm goto support, so we fall back
to the code we already knew worked :-)
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