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authorRichard Weinberger <richard@nod.at>2015-10-25 23:41:10 +0300
committerRichard Weinberger <richard@nod.at>2015-11-07 00:49:11 +0300
commitec2c6c01ff241f8fad95c79de3364c76a474b3fa (patch)
tree8f46bc1df0c28a37f9af1818fbdc3c4263ece8ed /arch/x86/um/stub_64.S
parentf10e6d652bc2dad67b5e7b6e6d890c76f739ed77 (diff)
downloadlinux-ec2c6c01ff241f8fad95c79de3364c76a474b3fa.tar.xz
um: Remove dead code from x86_64 syscall stub
syscall_stub is dead code as um is using only batch_syscall_stub. Signed-off-by: Richard Weinberger <richard@nod.at>
Diffstat (limited to 'arch/x86/um/stub_64.S')
-rw-r--r--arch/x86/um/stub_64.S13
1 files changed, 0 insertions, 13 deletions
diff --git a/arch/x86/um/stub_64.S b/arch/x86/um/stub_64.S
index 7160b20172d0..a212445358d6 100644
--- a/arch/x86/um/stub_64.S
+++ b/arch/x86/um/stub_64.S
@@ -1,19 +1,6 @@
#include <as-layout.h>
- .globl syscall_stub
.section .__syscall_stub, "ax"
-syscall_stub:
- syscall
- /* We don't have 64-bit constants, so this constructs the address
- * we need.
- */
- movq $(STUB_DATA >> 32), %rbx
- salq $32, %rbx
- movq $(STUB_DATA & 0xffffffff), %rcx
- or %rcx, %rbx
- movq %rax, (%rbx)
- int3
-
.globl batch_syscall_stub
batch_syscall_stub:
mov $(STUB_DATA >> 32), %rbx