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[Xen-changelog] [xen master] x86/pv: Drop unused switch_kernel_stack()



commit 353490a6f0d69bf4630b758742d4f4e070e52e81
Author:     Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
AuthorDate: Thu May 4 15:19:31 2017 +0100
Commit:     Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
CommitDate: Tue May 30 18:50:13 2017 +0100

    x86/pv: Drop unused switch_kernel_stack()
    
    Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Reviewed-by: Wei Liu <wei.liu2@xxxxxxxxxx>
    Acked-by: 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 13cdc50..d9f3cfa 100644
--- a/xen/arch/x86/domain.c
+++ b/xen/arch/x86/domain.c
@@ -1885,8 +1885,6 @@ 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);
@@ -1905,8 +1903,6 @@ 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);
--
generated by git-patchbot for /home/xen/git/xen.git#master

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