xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

[PATCH] uml: system call path cleanup

Browse Source 
This merges two sets of files which had no business being split apart in the
first place.

Signed-off-by: Jeff Dike <jdike@addtoit.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Jeff Dike
2005-09-03 15:57:42 -07:00
committed by Linus Torvalds
parent 08964c565b
commit e32dacb9f4
13 changed files with 131 additions and 215 deletions
Download Patch File Download Diff File Expand all files Collapse all files

47
arch/um/kernel/tt/syscall_kern.c
View File

@@ -12,36 +12,41 @@
#include "asm/uaccess.h"
#include "asm/stat.h"
#include "sysdep/syscalls.h"
#include "sysdep/sigcontext.h"
#include "kern_util.h"
#include "syscall.h"
extern syscall_handler_t *sys_call_table[];
long execute_syscall_tt(void *r)
void syscall_handler_tt(int sig, struct pt_regs *regs)
{
struct pt_regs *regs = r;
long res;
void *sc;
long result;
int syscall;
#ifdef CONFIG_SYSCALL_DEBUG
int index;
index = record_syscall_start(syscall);
#endif
sc = UPT_SC(&regs->regs);
SC_START_SYSCALL(sc);
syscall_trace(&regs->regs, 0);
current->thread.nsyscalls++;
nsyscalls++;
#endif
syscall = UPT_SYSCALL_NR(&regs->regs);
if((syscall >= NR_syscalls) || (syscall < 0))
res = -ENOSYS;
else res = EXECUTE_SYSCALL(syscall, regs);
result = -ENOSYS;
else result = EXECUTE_SYSCALL(syscall, regs);
return(res);
/* regs->sc may have changed while the system call ran (there may
* have been an interrupt or segfault), so it needs to be refreshed.
*/
UPT_SC(&regs->regs) = sc;
SC_SET_SYSCALL_RETURN(sc, result);
syscall_trace(&regs->regs, 1);
#ifdef CONFIG_SYSCALL_DEBUG
record_syscall_end(index, result);
#endif
}
/*
* Overrides for Emacs so that we follow Linus's tabbing style.
* Emacs will notice this stuff at the end of the file and automatically
* adjust the settings for this buffer only. This must remain at the end
* of the file.
* ---------------------------------------------------------------------------
* Local variables:
* c-file-style: "linux"
* End:
*/