| Date | Tue, 08 Mar 2022 16:30:21 +0100 | From | Peter Zijlstra <> | Subject | [PATCH v4 10/45] x86/entry: Cleanup PARAVIRT |
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Since commit 5c8f6a2e316e ("x86/xen: Add xenpv_restore_regs_and_return_to_usermode()") Xen will no longer reach this code and we can do away with the paravirt SWAPGS/INTERRUPT_RETURN.
Suggested-by: Andrew Cooper <Andrew.Cooper3@citrix.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> --- arch/x86/entry/entry_64.S | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
--- a/arch/x86/entry/entry_64.S +++ b/arch/x86/entry/entry_64.S @@ -619,8 +619,8 @@ SYM_INNER_LABEL(swapgs_restore_regs_and_ /* Restore RDI. */ popq %rdi - SWAPGS - INTERRUPT_RETURN + swapgs + jmp native_iret SYM_INNER_LABEL(restore_regs_and_return_to_kernel, SYM_L_GLOBAL)
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