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13fdd31abe
linux/arch/mips
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Ralf Baechle 13fdd31abe [MIPS] Avoid double signal restarting. 
In entry.S resume_userspace ... jal do_notify_resume form a loop through
which the kernel will iterate as long as work is pending.  If we
iterate through this loop more than once with no signal pending for at
least one but the last iteration we will take do the syscall restarting
multiple times resulting in a syscall return prior to the the syscall
instruction in userspace.  This may happen when debugging a multithreaded
program.

Debugging and original fix by Maciej; extended to other ABIs by me.

Signed-off-by: Maciej W. Rozycki <macro@mips.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-09-27 13:37:33 +01:00
..
arc Remove obsolete #include <linux/config.h> 2006-06-30 19:25:36 +02:00
au1000 [MIPS] db1x00: Remove unused mirage_ts.c 2006-09-27 13:37:05 +01:00
basler/excite [MIPS] Replace board_timer_setup function pointer by plat_timer_setup. 2006-07-13 21:26:17 +01:00
boot Add .gitignore files for MIPS. 2005-11-07 18:05:37 +00:00
cobalt [MIPS] Replace board_timer_setup function pointer by plat_timer_setup. 2006-07-13 21:26:17 +01:00
configs [MIPS] Updat mpc30x defconfig 2006-09-27 13:37:05 +01:00
ddb5xxx [MIPS] Replace board_timer_setup function pointer by plat_timer_setup. 2006-07-13 21:26:17 +01:00
dec [MIPS] Replace board_timer_setup function pointer by plat_timer_setup. 2006-07-13 21:26:17 +01:00
emma2rh [MIPS] Replace board_timer_setup function pointer by plat_timer_setup. 2006-07-13 21:26:17 +01:00
galileo-boards/ev96100 Remove obsolete #include <linux/config.h> 2006-06-30 19:25:36 +02:00
gt64120 [MIPS] Replace board_timer_setup function pointer by plat_timer_setup. 2006-07-13 21:26:17 +01:00
ite-boards [MIPS] Replace board_timer_setup function pointer by plat_timer_setup. 2006-07-13 21:26:17 +01:00
jazz [MIPS] Replace board_timer_setup function pointer by plat_timer_setup. 2006-07-13 21:26:17 +01:00
jmr3927 [MIPS] Replace board_timer_setup function pointer by plat_timer_setup. 2006-07-13 21:26:17 +01:00
kernel [MIPS] Avoid double signal restarting. 2006-09-27 13:37:33 +01:00
lasat [MIPS] Replace board_timer_setup function pointer by plat_timer_setup. 2006-07-13 21:26:17 +01:00
lib Remove obsolete #include <linux/config.h> 2006-06-30 19:25:36 +02:00
lib-32 Remove obsolete #include <linux/config.h> 2006-06-30 19:25:36 +02:00
lib-64 Remove obsolete #include <linux/config.h> 2006-06-30 19:25:36 +02:00
math-emu Remove obsolete #include <linux/config.h> 2006-06-30 19:25:36 +02:00
mips-boards [MIPS] MIPSsim: Build fix, rename sim_timer_setup -> plat_timer_setup. 2006-07-13 21:26:19 +01:00
mm [MIPS] c-r4k: Typo fix. 2006-09-27 13:37:23 +01:00
momentum [MIPS] Replace board_timer_setup function pointer by plat_timer_setup. 2006-07-13 21:26:17 +01:00
oprofile [MIPS] Oprofile: Fix build failure due to warning and -Werror. 2006-07-13 21:26:09 +01:00
pci [MIPS] Fix EV64120 PCI fixup in Makefile 2006-09-27 13:37:33 +01:00
philips/pnx8550 [MIPS] Replace board_timer_setup function pointer by plat_timer_setup. 2006-07-13 21:26:17 +01:00
pmc-sierra [MIPS] Replace board_timer_setup function pointer by plat_timer_setup. 2006-07-13 21:26:17 +01:00
qemu [MIPS] Replace board_timer_setup function pointer by plat_timer_setup. 2006-07-13 21:26:17 +01:00
sgi-ip22 [MIPS] IP22 Fix brown paper bag in RTC code. 2006-07-13 21:26:18 +01:00
sgi-ip27 [PATCH] reduce MAX_NR_ZONES: move HIGHMEM counters into highmem.c/.h 2006-09-26 08:48:46 -07:00
sgi-ip32 [MIPS] Replace board_timer_setup function pointer by plat_timer_setup. 2006-07-13 21:26:17 +01:00
sibyte [MIPS] Replace board_timer_setup function pointer by plat_timer_setup. 2006-07-13 21:26:17 +01:00
sni [MIPS] Replace board_timer_setup function pointer by plat_timer_setup. 2006-07-13 21:26:17 +01:00
tx4927 [MIPS] Replace board_timer_setup function pointer by plat_timer_setup. 2006-07-13 21:26:17 +01:00
tx4938 [MIPS] Replace board_timer_setup function pointer by plat_timer_setup. 2006-07-13 21:26:17 +01:00
vr41xx [MIPS] vr41xx: Update workpad setup function 2006-07-13 21:26:21 +01:00
defconfig [MIPS] Update defconfigs to 2.6.18-rc1. 2006-07-13 21:25:57 +01:00
Kconfig [MIPS] Cleanup leftovers of ARCH_HAS_IRQ_PER_CPU 2006-09-27 13:37:29 +01:00
Kconfig.debug [MIPS] TRACE_IRQFLAGS_SUPPORT support. 2006-07-13 21:26:09 +01:00
Makefile [MIPS] Remove vmlinux.rm200 target from makefile. 2006-07-13 21:26:12 +01:00