diff options
| author | Aaro Koskinen <[email protected]> | 2015-03-08 22:07:41 +0200 |
|---|---|---|
| committer | Herbert Xu <[email protected]> | 2015-03-10 20:48:56 +1100 |
| commit | 9b2de7ff424220c731276aaef9025cdd1d4052a8 (patch) | |
| tree | 8dc84a967ea0fc79af9329d56ad77db845f7b026 /tools/perf/scripts/python | |
| parent | 3265c4babe93832167cb148083a0544548c23e6a (diff) | |
crypto: octeon - don't disable bottom half in octeon-md5
Don't disable bottom half while the crypto engine is in use, as it
should be unnecessary: All kernel crypto engine usage is wrapped with
crypto engine state save/restore, so if we get interrupted by softirq
that uses crypto they should save and restore our context.
This actually fixes an issue when running OCTEON MD5 with interrupts
disabled (tcrypt mode=302). There's a WARNING because the module is
trying to enable the bottom half with irqs disabled:
[ 52.656610] ------------[ cut here ]------------
[ 52.661439] WARNING: CPU: 1 PID: 428 at /home/aaro/git/linux/kernel/softirq.c:150 __local_bh_enable_ip+0x9c/0xd8()
[ 52.671780] Modules linked in: tcrypt(+)
[...]
[ 52.763539] [<ffffffff8114082c>] warn_slowpath_common+0x94/0xd8
[ 52.769465] [<ffffffff81144614>] __local_bh_enable_ip+0x9c/0xd8
[ 52.775390] [<ffffffff81119574>] octeon_md5_final+0x12c/0x1e8
[ 52.781144] [<ffffffff81337050>] shash_compat_digest+0xd0/0x1b0
Signed-off-by: Aaro Koskinen <[email protected]>
Signed-off-by: Herbert Xu <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python')
0 files changed, 0 insertions, 0 deletions