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f4125cfdb3
linux/arch/parisc/kernel
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John David Anglin f4125cfdb3 parisc: Avoid trashing sr2 and sr3 in LWS code 
There is no need to trash sr2 and sr3 in the Light-weight syscall (LWS).  sr2
already points to kernel space (it's zero in userspace, otherwise syscalls
wouldn't work), and since the LWS code is executed in userspace, we can simply
ignore to preload sr3.

Signed-off-by: John David Anglin <dave.anglin@bell.net>
Signed-off-by: Helge Deller <deller@gmx.de>
2016-11-02 23:05:11 +01:00
..
.gitignore parisc: add arch/parisc/kernel/.gitignore 2008-10-10 16:32:28 +00:00
asm-offsets.c parisc: Unbreak handling exceptions from kernel modules 2016-04-08 22:14:14 +02:00
audit.c parisc: add kernel audit feature 2013-11-07 22:27:20 +01:00
binfmt_elf32.c parisc: fix redefinition of SET_PERSONALITY 2013-03-02 20:15:28 +01:00
cache.c parisc: use %pD 2016-08-07 23:38:49 -04:00
compat_audit.c parisc: add kernel audit feature 2013-11-07 22:27:20 +01:00
drivers.c parisc: use KERN_CONT when printing device inventory 2016-11-02 23:04:46 +01:00
entry.S parisc: Add cfi_startproc and cfi_endproc to assembly code 2016-10-05 22:54:40 +02:00
firmware.c parisc: Add break statements to pdc_pat_io_pci_cfg_read() 2016-08-02 16:44:33 +02:00
ftrace.c ftrace: Add return address pointer to ftrace_ret_stack 2016-08-24 12:15:14 +02:00
hardware.c parisc: add serial ports of C8000/1GHz machine to hardware database 2014-07-13 15:51:58 +02:00
head.S parisc: Fix ftrace function tracer 2016-04-14 17:47:19 +02:00
hpmc.S parisc: Add cfi_startproc and cfi_endproc to assembly code 2016-10-05 22:54:40 +02:00
inventory.c parisc: Use kmalloc_array() in add_system_map_addresses() 2016-09-20 18:02:56 +02:00
irq.c parisc: Filter out spurious interrupts in PA-RISC irq handler 2015-09-08 15:31:16 +02:00
Makefile parisc: Fix ftrace function tracer 2016-04-14 17:47:19 +02:00
module.c parisc: Handle R_PARISC_PCREL32 relocations in kernel modules 2016-04-08 22:10:35 +02:00
pa7300lc.c
pacache.S parisc: Add cfi_startproc and cfi_endproc to assembly code 2016-10-05 22:54:40 +02:00
parisc_ksyms.c parisc: Avoid function pointers for kernel exception routines 2016-04-08 22:13:45 +02:00
pci-dma.c dma-mapping: use unsigned long for dma_attrs 2016-08-04 08:50:07 -04:00
pci.c parisc: Initialize PCI bridge cache line and default latency 2016-01-12 22:03:21 +01:00
pdc_chassis.c parisc: single_open() leaks 2013-05-05 00:10:41 -04:00
pdc_cons.c parisc: don't use module_init for non-modular core pdc_cons code 2015-06-16 14:12:30 -04:00
perf_asm.S Revert "parisc: fix trivial section name warnings" 2008-06-13 10:49:45 -04:00
perf_images.h
perf.c parisc64: don't use module_init for non-modular core perf code 2015-06-16 14:12:30 -04:00
process.c exit_thread: remove empty bodies 2016-05-20 17:58:30 -07:00
processor.c parisc: Fix automatic selection of cr16 clocksource 2016-08-20 13:33:51 +02:00
ptrace.c parisc/ptrace: run seccomp after ptrace 2016-06-14 10:54:44 -07:00
real2.S parisc: Add cfi_startproc and cfi_endproc to assembly code 2016-10-05 22:54:40 +02:00
setup.c parisc: Increase KERNEL_INITIAL_SIZE for 32-bit SMP kernels 2016-10-07 18:23:43 +02:00
signal32.c parisc: Fix SIGSYS signals in compat case 2016-03-31 12:28:37 +02:00
signal32.h constify copy_siginfo_to_user{,32}() 2013-11-09 00:16:29 -05:00
signal.c parisc: Fix syscall restarts 2015-12-21 10:16:18 +01:00
smp.c parisc: Check return value of smp_boot_one_cpu() 2016-09-20 18:02:36 +02:00
stacktrace.c parisc: add LATENCYTOP_SUPPORT and CONFIG_STACKTRACE_SUPPORT 2009-03-31 02:51:34 +00:00
sys_parisc32.c parisc: drop unused defines and header includes 2014-07-13 15:56:12 +02:00
sys_parisc.c parisc: Drop alloc_hugepages and free_hugepages syscalls 2016-03-23 15:42:18 +01:00
syscall_table.S parisc: Wire up preadv2 and pwritev2 syscalls 2016-03-23 16:22:42 +01:00
syscall.S parisc: Avoid trashing sr2 and sr3 in LWS code 2016-11-02 23:05:11 +01:00
time.c parisc: Fix self-detected CPU stall warnings on Mako machines 2016-09-25 21:27:01 +02:00
topology.c parisc: Replace NR_CPUS in parisc code 2009-01-05 19:09:02 +00:00
traps.c parisc: Show trap name in kernel crash 2016-10-11 20:52:47 +02:00
unaligned.c parisc: Move die_if_kernel() prototype into traps.h header 2016-06-05 08:49:01 +02:00
unwind.c parisc: Fix backtrace on PA-RISC 2016-06-04 22:05:07 +02:00
vmlinux.lds.S parisc: Move exception table into read-only section 2016-10-09 13:29:07 +02:00