On Fri, Dec 19, 2014 at 10:26:24PM +0800, Huacai Chen wrote: > We found that TLB mismatch not only happens after kernel resume, but > also happens during snapshot restore. So move it to the beginning of > swsusp_arch_suspend(). > > Cc: <stable@xxxxxxxxxxxxxxx> > Signed-off-by: Huacai Chen <chenhc@xxxxxxxxxx> > --- > arch/mips/power/hibernate.S | 3 ++- > 1 files changed, 2 insertions(+), 1 deletions(-) > > diff --git a/arch/mips/power/hibernate.S b/arch/mips/power/hibernate.S > index 32a7c82..e7567c8 100644 > --- a/arch/mips/power/hibernate.S > +++ b/arch/mips/power/hibernate.S > @@ -30,6 +30,8 @@ LEAF(swsusp_arch_suspend) > END(swsusp_arch_suspend) > > LEAF(swsusp_arch_resume) > + /* Avoid TLB mismatch during and after kernel resume */ > + jal local_flush_tlb_all I'd like to keep the assembler code to a minimum. Can you rename swsusp_arch_resume and create a new wrapper function in C named swsusp_arch_resume() which calls the old swsusp_arch_resume() after calling local_flush_tlb_all(), something like that? Thanks, Ralf
