[Xen-devel] [PATCH for-next] x86/pv: Drop unused switch_kernel_stack()

[Andrew Cooper <andrew.cooper3@xxxxxxxxxx>]

Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
---
CC: Jan Beulich <JBeulich@xxxxxxxx>
---
 xen/arch/x86/domain.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/xen/arch/x86/domain.c b/xen/arch/x86/domain.c
index ef8c05a..862a568 100644
--- a/xen/arch/x86/domain.c
+++ b/xen/arch/x86/domain.c
@@ -1886,8 +1886,6 @@ static void save_segments(struct vcpu *v)
     this_cpu(dirty_segment_mask) = dirty_segment_mask;
 }
 
-#define switch_kernel_stack(v) ((void)0)
-
 static void paravirt_ctxt_switch_from(struct vcpu *v)
 {
     save_segments(v);
@@ -1906,8 +1904,6 @@ static void paravirt_ctxt_switch_to(struct vcpu *v)
 {
     unsigned long cr4;
 
-    switch_kernel_stack(v);
-
     cr4 = pv_guest_cr4_to_real_cr4(v);
     if ( unlikely(cr4 != read_cr4()) )
         write_cr4(cr4);
-- 
2.1.4


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