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Jeff Dike 75e29b18d9 [PATCH] uml: stack usage reduction 
The KSTK_* macros used an inordinate amount of stack.  In order to overcome
an impedance mismatch between their interface, which just returns a single
register value, and the interface of get_thread_regs, which took a full
pt_regs, the implementation created an on-stack pt_regs, filled it in, and
returned one field.  do_task_stat calls KSTK_* twice, resulting in two
local pt_regs, blowing out the stack.

This patch changes the interface (and name) of get_thread_regs to just
return a single register from a jmp_buf.

The include of archsetjmp.h" in registers.h to get the definition of
jmp_buf exposed a bogus include of <setjmp.h> in start_up.c.  <setjmp.h>
shouldn't be used anywhere any more since UML uses the klibc
setjmp/longjmp.

Signed-off-by: Jeff Dike <jdike@addtoit.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
 		2006-09-26 08:49:09 -07:00
..
skas [PATCH] uml: fix static binary segfault 2006-07-10 13:24:23 -07:00
sysdep-i386 [PATCH] uml: Move signal handlers to arch code 2006-09-26 08:49:07 -07:00
sysdep-ia64 [PATCH] uml: S390 preparation, abstract host page fault data 2005-05-05 16:36:36 -07:00
sysdep-ppc [PATCH] uml: S390 preparation, abstract host page fault data 2005-05-05 16:36:36 -07:00
sysdep-x86_64 [PATCH] uml: Move signal handlers to arch code 2006-09-26 08:49:07 -07:00
tt [PATCH] uml: fix static binary segfault 2006-07-10 13:24:23 -07:00
aio.h [PATCH] uml: revert block driver use of host AIO 2005-10-12 08:22:26 -07:00
chan_kern.h [PATCH] uml: Add throttling to console driver 2006-01-06 08:33:46 -08:00
chan_user.h [PATCH] uml console channels: fix the API of console_write 2005-11-13 18:14:14 -08:00
choose-mode.h [PATCH] uml: better diagnostics for broken configs 2006-01-06 08:33:47 -08:00
common-offsets.h [PATCH] uml makefiles sanitized 2005-09-29 08:46:26 -07:00
elf_user.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
frame_kern.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
init.h [PATCH] uml: fix ((unused)) attribute 2006-02-24 14:31:37 -08:00
initrd.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
irq_kern.h [PATCH] uml: use host AIO support 2005-09-05 00:06:23 -07:00
irq_user.h [PATCH] uml: remove spinlock wrapper functions 2006-07-10 13:24:23 -07:00
kern.h [PATCH] uml: fix declaration of exit() 2006-03-27 08:44:37 -08:00
kern_util.h [PATCH] uml: Remove unused variable 2006-09-26 08:49:08 -07:00
line.h [PATCH] devfs: Remove the line_driver devfs_name field as it's no longer needed 2006-06-26 12:25:09 -07:00
longjmp.h [PATCH] uml: Use klibc setjmp/longjmp 2006-09-26 08:49:05 -07:00
mconsole.h [PATCH] uml: add mconsole_reply variant with length param 2006-01-06 08:33:47 -08:00
mconsole_kern.h [PATCH] uml: hot-unplug code cleanup 2005-06-25 16:24:36 -07:00
mem.h [PATCH] uml: inline mk_pte and various friends 2005-09-10 12:00:18 -07:00
mem_kern.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
mem_user.h [PATCH] UML: Hotplug memory, take 2 2006-03-31 12:18:50 -08:00
misc_constants.h [PATCH] uml: move libc-dependent irq code to os-Linux 2006-03-27 08:44:37 -08:00
mode.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
mode_kern.h [PATCH] uml: move headers to arch/um/include 2006-01-18 19:20:19 -08:00
net_kern.h [PATCH] missing platform_device.h includes 2005-11-01 21:50:01 -08:00
net_user.h [PATCH] uml: clean our set_ether_mac 2006-09-26 08:49:09 -07:00
os.h [PATCH] uml: timer cleanups 2006-09-26 08:49:08 -07:00
process.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
ptrace_user.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
registers.h [PATCH] uml: stack usage reduction 2006-09-26 08:49:09 -07:00
sigcontext.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
sigio.h [PATCH] uml: move sigio_user.c to os-Linux/sigio.c 2006-03-27 08:44:38 -08:00
signal_kern.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
skas_ptrace.h [PATCH] uml: header and code cleanup 2005-05-05 16:36:39 -07:00
skas_ptregs.h [PATCH] uml makefiles sanitized 2005-09-29 08:46:26 -07:00
syscall.h [PATCH] uml: system call path cleanup 2005-09-05 00:06:23 -07:00
sysrq.h [PATCH] uml: stack dump fix 2005-05-28 16:46:13 -07:00
task.h [PATCH] uml makefiles sanitized 2005-09-29 08:46:26 -07:00
tempfile.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
tlb.h [PATCH] mm: uml kill unused 2005-10-29 21:40:42 -07:00
ubd_user.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
um_mmu.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
um_uaccess.h [PATCH] uml: fix compile error for tt 2005-12-12 08:57:43 -08:00
umid.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
uml_uaccess.h [PATCH] uml: separate libc-dependent uaccess code 2005-11-07 07:53:31 -08:00
user.h [PATCH] uml: request format warnings to GCC for appropriate functions 2006-04-11 06:18:35 -07:00
user_util.h [PATCH] uml: request format warnings to GCC for appropriate functions 2006-04-11 06:18:35 -07:00