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Date: Mon, 18 Jul 2011 20:20:38 +0100 From: Al Viro <viro@...IV.linux.org.uk> To: Linus Torvalds <torvalds@...ux-foundation.org> Cc: Hugh Dickins <hughd@...gle.com>, Andrew Morton <akpm@...ux-foundation.org>, Nick Piggin <npiggin@...nel.dk>, linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org Subject: Re: [PATCH] vfs: fix race in rcu lookup of pruned dentry On Mon, Jul 18, 2011 at 12:08:04PM -0700, Linus Torvalds wrote: > But I do agree that it's very unlikely to actually cause problems. > People just don't move mount points around, and the race would seem to > be ridiculously hard to ever hit even if you tried to create some > totally artificial load that does nothing but rename mount-points ;) vfs_rename() will refuse to move mountpoints. Required by POSIX, among other things... > But I think I'm on the same page with Hugh that at this point none of > these issues are even remotely recent, they are basically impossible > to hit, and the fixes are likely potentially more dangerous than the > bugs they fix, so I'll release 3.0 without them and just apply the > fixes (and cc stable) afterwards. Hmm... Could you pull #for-linus (or #for-linus2, for that matter - same plus cifs_get_root() fix) first? -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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