These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / arch / x86 / um / stub_64.S

diff --git a/kernel/arch/x86/um/stub_64.S b/kernel/arch/x86/um/stub_64.S
index 7160b20..ba914b3 100644 (file)
--- a/kernel/arch/x86/um/stub_64.S
+++ b/kernel/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