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authorPavel Emelyanov <xemul@openvz.org>2008-06-28 07:06:08 +0400
committerDavid S. Miller <davem@davemloft.net>2008-06-28 07:06:08 +0400
commit9a375803feaadb6c34e0807bd9325885dcca5c00 (patch)
treefba3b0835d1fb3211da1c1be9dd6d4508e6668a6 /block/cfq-iosched.c
parenta0a61a604c60c14accc3962ecfeee9acc7a3c08a (diff)
downloadlinux-9a375803feaadb6c34e0807bd9325885dcca5c00.tar.xz
inet fragments: fix race between inet_frag_find and inet_frag_secret_rebuild
The problem is that while we work w/o the inet_frags.lock even read-locked the secret rebuild timer may occur (on another CPU, since BHs are still disabled in the inet_frag_find) and change the rnd seed for ipv4/6 fragments. It was caused by my patch fd9e63544cac30a34c951f0ec958038f0529e244 ([INET]: Omit double hash calculations in xxx_frag_intern) late in the 2.6.24 kernel, so this should probably be queued to -stable. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'block/cfq-iosched.c')
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