AuxXxilium/linux_dsm_epyc7002
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79ae2cb856
linux_dsm_epyc7002/arch/um/drivers
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Paolo 'Blaisorblade' Giarrusso 79ae2cb856 [PATCH] uml: use GFP_ATOMIC for allocations under spinlocks. 
setup_initial_poll is only called with sigio_lock() held, so use appropriate
allocation.

Also, parse_chan() can also be called when holding a spinlock (see line_open()
 -> parse_chan_pair()).

I have sporadic problems (spinlock taken twice, with spinlock debugging on UP)
which could be caused by a sequence like "take spinlock, alloc and go to
sleep, take again the spinlock in the other thread".

Signed-off-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Cc: Jeff Dike <jdike@addtoit.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-09-22 22:17:37 -07:00
..
chan_kern.c [PATCH] uml: use GFP_ATOMIC for allocations under spinlocks. 2005-09-22 22:17:37 -07:00
chan_user.c [PATCH] uml: fix SIGWINCH handler race while waiting for signals. 2005-09-05 00:06:21 -07:00
cow_sys.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
cow_user.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
cow.h [PATCH] turn many #if $undefined_string into #ifdef $undefined_string 2005-07-27 16:26:08 -07:00
daemon_kern.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
daemon_user.c [PATCH] uml: kfree cleanup 2005-06-25 16:24:35 -07:00
daemon.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
fd.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
harddog_kern.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
harddog_user.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
hostaudio_kern.c [PATCH] uml: update module interface 2005-07-27 16:25:48 -07:00
line.c [PATCH] uml: remove winch sem 2005-07-07 18:23:44 -07:00
Makefile [PATCH] uml: add host AIO support to block driver 2005-09-05 00:06:23 -07:00
mcast_kern.c [PATCH] uml: multicast driver cleanup 2005-05-20 15:48:17 -07:00
mcast_user.c [PATCH] uml: preserve errno in error paths 2005-09-17 11:50:00 -07:00
mcast.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
mconsole_kern.c [PATCH] uml: breakpoint an arbitrary thread 2005-09-17 11:49:59 -07:00
mconsole_user.c [PATCH] uml: run mconsole "sysrq" in process context 2005-09-22 22:17:36 -07:00
mmapper_kern.c [PATCH] mmaper_kern.c fixes [buffer overruns] 2005-08-27 10:11:40 -07:00
net_kern.c [PATCH] uml: hot-unplug code cleanup 2005-06-25 16:24:36 -07:00
net_user.c [PATCH] uml: compile fixes for gcc 4 2005-06-08 16:21:12 -07:00
null.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
pcap_kern.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
pcap_user.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
pcap_user.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
port_kern.c [PATCH] uml: add and use generic hw_controller_type->release 2005-06-21 19:07:32 -07:00
port_user.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
port.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
pty.c [PATCH] uml: preserve errno in error paths 2005-09-17 11:50:00 -07:00
random.c [PATCH] uml: add MOD_LICENSE to random driver 2005-05-28 16:46:12 -07:00
slip_common.c [PATCH] uml: slirp and slip driver cleanups and fixes 2005-06-13 20:58:43 -07:00
slip_common.h [PATCH] uml: slirp and slip driver cleanups and fixes 2005-06-13 20:58:43 -07:00
slip_kern.c [PATCH] uml: slirp and slip driver cleanups and fixes 2005-06-13 20:58:43 -07:00
slip_user.c [PATCH] uml: slirp and slip driver cleanups and fixes 2005-06-13 20:58:43 -07:00
slip.h [PATCH] uml: slirp and slip driver cleanups and fixes 2005-06-13 20:58:43 -07:00
slirp_kern.c [PATCH] uml: slirp and slip driver cleanups and fixes 2005-06-13 20:58:43 -07:00
slirp_user.c [PATCH] uml: slirp and slip driver cleanups and fixes 2005-06-13 20:58:43 -07:00
slirp.h [PATCH] uml: slirp and slip driver cleanups and fixes 2005-06-13 20:58:43 -07:00
ssl.c [PATCH] uml: hot-unplug code cleanup 2005-06-25 16:24:36 -07:00
ssl.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
stderr_console.c [PATCH] uml: compile fixes for gcc 4 2005-06-08 16:21:12 -07:00
stdio_console.c [PATCH] uml: hot-unplug code cleanup 2005-06-25 16:24:36 -07:00
stdio_console.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
tty.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
ubd_kern.c [PATCH] uml: add host AIO support to block driver 2005-09-05 00:06:23 -07:00
xterm_kern.c [PATCH] uml: add and use generic hw_controller_type->release 2005-06-21 19:07:32 -07:00
xterm.c [PATCH] uml: preserve errno in error paths 2005-09-17 11:50:00 -07:00
xterm.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00