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Subject[PATCH 4/7] um: Remove dead code from x86_64 syscall stub
Date
syscall_stub is dead code as um is using only
batch_syscall_stub.

Signed-off-by: Richard Weinberger <richard@nod.at>
---
arch/x86/um/stub_64.S | 13 -------------
1 file changed, 13 deletions(-)

diff --git a/arch/x86/um/stub_64.S b/arch/x86/um/stub_64.S
index 7160b20..a212445 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
--
1.8.4.5


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