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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2009-03-09 14:36:15 +0000
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2009-03-11 10:44:26 +1100
commit187cfc439f7b1a7c91ff72d561b2a7c9c0b83431 (patch)
treef75cc9c96af4efad5071c5d95a49e013248a07b3 /mm/bootmem.c
parentd301a9f3ffc93b45744535e0b60fb9d6f6825773 (diff)
hvc_console: Remove tty->low_latency on pseries backends
The hvcs and hvsi backends both set tty->low_latency to one, along with more or less scary comments regarding bugs or races that would happen if not doing so. However, they also both call tty_flip_buffer_push() in conexts where it's illegal to do so since some recent tty changes (or at least it may have been illegal always but it nows blows) when low_latency is set (ie, hard interrupt or with spinlock held and irqs disabled). This removes the setting for now to get them back to working condition, we'll have to address the races described in the comments separately if they are still an issue (some of this might have been fixed already). Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'mm/bootmem.c')
0 files changed, 0 insertions, 0 deletions