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b6a2b13778
linux/arch/um/kernel
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Paolo 'Blaisorblade' Giarrusso b6a2b13778 [PATCH] uml: sigio code - reduce spinlock hold time 
In a previous patch I shifted an allocation to being atomic.

In this patch, a better but more intrusive solution is implemented, i.e.  hold
the lock only when really needing it, especially not over pipe operations, nor
over the culprit allocation.

Additionally, while at it, add a missing kfree in the failure path, and make
sure that if we fail in forking, write_sigio_pid is -1 and not, say, -ENOMEM.

And fix whitespace, at least for things I was touching anyway.

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>
2006-01-18 19:20:21 -08:00
..
skas [PATCH] uml: move libc-dependent skas process handling 2006-01-18 19:20:19 -08:00
tt [PATCH] uml: TT mode softint fixes 2006-01-18 19:20:20 -08:00
asm-offsets.c [PATCH] uml: fix missing KBUILD_BASENAME 2006-01-11 18:42:09 -08:00
config.c.in Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
dyn.lds.S [PATCH] i386 / uml: add dwarf sections to static link script 2005-09-10 12:00:17 -07:00
exec_kern.c [PATCH] uml: move libc-dependent time code 2006-01-18 19:20:19 -08:00
exitcode.c [PATCH] uml: Clean up prink calls 2005-07-28 21:46:05 -07:00
gmon_syms.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
gprof_syms.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
init_task.c [PATCH] uml: move libc code out of mem_user.c and tempfile.c 2005-09-17 11:50:00 -07:00
initrd.c [PATCH] uml: initrd cleanup 2005-05-20 15:48:18 -07:00
irq_user.c [PATCH] uml: move libc-dependent code from signal_user.c 2006-01-08 20:13:39 -08:00
irq.c [PATCH] useless linux/irq.h includes (arch/um) 2005-09-30 08:42:24 -07:00
ksyms.c [PATCH] uml: separate libc-dependent helper code 2005-11-07 07:53:31 -08:00
Makefile [PATCH] uml: move libc-dependent time code 2006-01-18 19:20:19 -08:00
mem.c [PATCH] uml: fix hardcoded ZONE_* constants in zone setup 2005-11-07 07:53:32 -08:00
physmem.c [PATCH] uml: big memory fixes 2005-11-07 07:53:31 -08:00
process_kern.c [PATCH] uml: move libc-dependent time code 2006-01-18 19:20:19 -08:00
ptrace.c [PATCH] consolidate sys_ptrace() 2005-11-07 07:53:42 -08:00
reboot.c [PATCH] Don't attempt to power off if power off is not implemented 2006-01-08 20:14:00 -08:00
resource.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
sigio_kern.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
sigio_user.c [PATCH] uml: sigio code - reduce spinlock hold time 2006-01-18 19:20:21 -08:00
signal_kern.c [PATCH] uml: move libc-dependent code from signal_user.c 2006-01-08 20:13:39 -08:00
smp.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
syscall_kern.c [PATCH] uml: fork cleanup 2005-06-25 16:24:35 -07:00
syscall.c [PATCH] uml: move libc-dependent time code 2006-01-18 19:20:19 -08:00
sysrq.c [PATCH] uml: Fix sysrq-r support for skas mode 2005-10-04 13:22:01 -07:00
time_kern.c [PATCH] uml: TT mode softint fixes 2006-01-18 19:20:20 -08:00
time.c [PATCH] hrtimer: convert posix timers completely 2006-01-10 08:01:39 -08:00
tlb.c [PATCH] uml: fix condition in tlb flush 2005-09-22 22:17:36 -07:00
trap_kern.c [PATCH] uml: merge trap_user.c and trap_kern.c 2006-01-08 20:13:39 -08:00
tty_log.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
uaccess.c [PATCH] uml: separate libc-dependent uaccess code 2005-11-07 07:53:31 -08:00
um_arch.c [PATCH] uml: revert compile-time option checking 2006-01-11 18:42:09 -08:00
umid.c [PATCH] uml: umid cleanup 2006-01-06 08:33:47 -08:00
uml.lds.S [PATCH] i386 / uml: add dwarf sections to static link script 2005-09-10 12:00:17 -07:00
vmlinux.lds.S [PATCH] uml: include the linker script rather than symlink it 2005-05-05 16:36:33 -07:00