On Wed, Jul 30, 2014 at 05:10:29PM +0400, Max Filippov wrote: > Hi Greg, > > On Tue, Jul 29, 2014 at 8:57 AM, <gregkh@xxxxxxxxxxxxxxxxxxx> wrote: > > The patch below does not apply to the 3.15-stable tree. > > If someone wants it applied there, or to any other stable or longterm > > tree, then please email the backport, including the original git commit > > id to <stable@xxxxxxxxxxxxxxx>. > > On my side this patch applies clearly to the current v3.15.7. > Could this message be caused by anything else besides the > literal patch applicability (e.g. the patch size)? > > > ------------------ original commit in Linus's tree ------------------ > > > > From 17290231df16eeee5dfc198dbf5ee4b419996dcd Mon Sep 17 00:00:00 2001 > > From: Max Filippov <jcmvbkbc@xxxxxxxxx> > > Date: Sat, 24 May 2014 21:48:28 +0400 > > Subject: [PATCH] xtensa: add fixup for double exception raised in window > > overflow > > > > There are two FIXMEs in the double exception handler 'for the extremely > > unlikely case'. This case gets hit by gcc during kernel build once in > > a few hours, resulting in an unrecoverable exception condition. > > > > Provide missing fixup routine to handle this case. Double exception > > literals now need 8 more bytes, add them to the linker script. > > > > Also replace bbsi instructions with bbsi.l as we're branching depending > > on 8th and 7th LSB-based bits of exception address. > > > > This may be tested by adding the explicit DTLB invalidation to window > > overflow handlers, like the following: > > > > --- a/arch/xtensa/kernel/vectors.S > > +++ b/arch/xtensa/kernel/vectors.S > > @@ -592,6 +592,14 @@ ENDPROC(_WindowUnderflow4) > > ENTRY_ALIGN64(_WindowOverflow8) Odds are patch is complaining about the diff in the changelog comment like this, I'll try it again after this round of kernels are released on Friday, thanks for looking at it. greg k-h -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html