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authorAl Viro <viro@zeniv.linux.org.uk>2012-10-10 11:52:44 -0400
committerMichal Simek <michal.simek@xilinx.com>2012-11-16 08:45:47 +0100
commit99c59f60fd751876c37fbea01e55606441ac6db4 (patch)
tree20acbb5f052686052c62a315eb0e25e926b0d2c0 /arch/microblaze/kernel/sys_microblaze.c
parent2319295dd8dbd076afa136bffb797ef726b605a0 (diff)
microblaze: switch to generic kernel_execve()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Diffstat (limited to 'arch/microblaze/kernel/sys_microblaze.c')
-rw-r--r--arch/microblaze/kernel/sys_microblaze.c21
1 files changed, 0 insertions, 21 deletions
diff --git a/arch/microblaze/kernel/sys_microblaze.c b/arch/microblaze/kernel/sys_microblaze.c
index 404c0f24bd4..b200ee7d1da 100644
--- a/arch/microblaze/kernel/sys_microblaze.c
+++ b/arch/microblaze/kernel/sys_microblaze.c
@@ -75,24 +75,3 @@ asmlinkage long sys_mmap(unsigned long addr, unsigned long len,
return sys_mmap_pgoff(addr, len, prot, flags, fd, pgoff >> PAGE_SHIFT);
}
-
-/*
- * Do a system call from kernel instead of calling sys_execve so we
- * end up with proper pt_regs.
- */
-int kernel_execve(const char *filename,
- const char *const argv[],
- const char *const envp[])
-{
- register const char *__a __asm__("r5") = filename;
- register const void *__b __asm__("r6") = argv;
- register const void *__c __asm__("r7") = envp;
- register unsigned long __syscall __asm__("r12") = __NR_execve;
- register unsigned long __ret __asm__("r3");
- __asm__ __volatile__ ("brki r14, 0x8"
- : "=r" (__ret), "=r" (__syscall)
- : "1" (__syscall), "r" (__a), "r" (__b), "r" (__c)
- : "r4", "r8", "r9",
- "r10", "r11", "r14", "cc", "memory");
- return __ret;
-}