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Diffstat (limited to 'arch/x86/um/stub_64.S')
-rw-r--r--arch/x86/um/stub_64.S18
1 files changed, 1 insertions, 17 deletions
diff --git a/arch/x86/um/stub_64.S b/arch/x86/um/stub_64.S
index 7160b2017..ba914b3b8 100644
--- a/arch/x86/um/stub_64.S
+++ b/arch/x86/um/stub_64.S
@@ -1,25 +1,9 @@
#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
- sal $32, %rbx
- mov $(STUB_DATA & 0xffffffff), %rax
- or %rax, %rbx
+ mov $(STUB_DATA), %rbx
/* load pointer to first operation */
mov %rbx, %rsp
add $0x10, %rsp