On Fri, Sep 23, 2016 at 06:27:07PM +0900, AKASHI Takahiro wrote: > On Fri, Sep 23, 2016 at 10:43:41AM +0200, Greg KH wrote: > > On Fri, Sep 23, 2016 at 05:32:58PM +0900, AKASHI Takahiro wrote: > > > On Fri, Sep 23, 2016 at 10:16:18AM +0200, Greg KH wrote: > > > > On Fri, Sep 23, 2016 at 04:33:24PM +0900, AKASHI Takahiro wrote: > > > > > Kgdb support on arm64 was merged in v3.15, but from its first appearance, > > > > > "signle step" has never worked well. > > > > > > > > > > This patch fixes all the error cases I found so far. > > > > > The original patch[1] was splitted into three pieces, ones for each case. > > > > > patch#1, #2 should be applied to all the version, v3.15 and later. > > > > > pathc#3 only for v3.16 and later. > > > > > > > > As this is not a regression (i.e. it has never worked), why is this > > > > something for stable releases? > > > > > > Because, I think, that is a bug. > > > The author seems to have believed that it worked. > > > Please see: > > > commit 44679a4f > > > Author: Vijaya Kumar K <Vijaya.Kumar@xxxxxxxxxxxxxxxxxx> > > > Date: Tue Jan 28 11:20:19 2014 +0000 > > > > > > arm64: KGDB: Add step debugging support > > > > Yes, but again, it didn't work, so this would be a new feature. > > Yes, but again, it's a bug of kgdb on arm64 which is supposed > to have been available since v3.15. But it wasn't ever working, so it's not a regression or a bugfix, sorry. > > Please read Documentation/stable_kernel_rules.txt for the requirements > > of a stable kernel patch. I don't think this series meets those rules. > > Please re-think about merging this patch. It's not even in Linus's tree yet, so there's nothing for me to merge anywhere. thanks, 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