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authorRichard Weinberger <richard@nod.at>2015-10-25 21:41:10 +0100
committerRichard Weinberger <richard@nod.at>2015-11-06 22:49:11 +0100
commitec2c6c01ff241f8fad95c79de3364c76a474b3fa (patch)
tree8f46bc1df0c28a37f9af1818fbdc3c4263ece8ed /arch/x86/um
parentf10e6d652bc2dad67b5e7b6e6d890c76f739ed77 (diff)
downloadlinux-ec2c6c01ff241f8fad95c79de3364c76a474b3fa.tar.gz
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')
-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