On Mon, 24 Aug 2015, Andrew Morton wrote: > On Mon, 24 Aug 2015 12:46:54 -0700 (PDT) Hugh Dickins <hughd@xxxxxxxxxx> wrote: > > > Adding Mel to Cc. > > > > On Mon, 24 Aug 2015, akpm@xxxxxxxxxxxxxxxxxxxx wrote: > > > > > > The patch titled > > > Subject: mm: fix potential data race in SyS_swapon > > > has been removed from the -mm tree. Its filename was > > > mm-fix-potential-data-race-in-sys_swapon.patch > > > > > > This patch was dropped because it was merged into mainline or a subsystem tree > > > > Administrative error? I don't see this merged into mainline yet, > > and didn't see your usual mail when you send in a batch to Linus. > > Al Viro grabbed it and put it into linux-next. > > He didn't include the cc:stable. I stared at that for a while and > decided to let it all stand - as you say, the -stable backport is > marginal. swapon isn't exactly a high-frequency operation. Ah, thanks for the explanation, that makes sense: yes, I Cc'ed Al on the original, as it is as much in his area as in ours. Hugh > > > And I wouldn't want it rushed too quickly to Linus: that stable > > tag is barely justified, this is a very narrow race window that > > has gone unnoticed for years, and swapon requires CAP_SYS_ADMIN. > > > > But also I spotted Mel proposing a swap-over-NFS patch in this area > > on LKML last Thursday: he appeared to be relying on the loop that I > > remove here, so he might want to veto this one (though can always > > reinstate what he needs later, if that's how it plays out). -- 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