| From | Lai Jiangshan <> | Subject | [PATCH V3 26/49] x86/entry: Convert SWAPGS to swapgs in entry_SYSENTER_compat() | Date | Thu, 14 Oct 2021 11:33:49 +0800 |
| |
From: Lai Jiangshan <laijs@linux.alibaba.com>
XENPV has its own entry point for SYSENTER, it doesn't use entry_SYSENTER_compat. So the pv-awared SWAPGS can be changed to swapgs.
Signed-off-by: Lai Jiangshan <laijs@linux.alibaba.com> --- arch/x86/entry/entry_64_compat.S | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/x86/entry/entry_64_compat.S b/arch/x86/entry/entry_64_compat.S index ad20302246e4..0b9661edf652 100644 --- a/arch/x86/entry/entry_64_compat.S +++ b/arch/x86/entry/entry_64_compat.S @@ -49,7 +49,7 @@ SYM_CODE_START(entry_SYSENTER_compat) UNWIND_HINT_EMPTY /* Interrupts are off on entry. */ - SWAPGS + swapgs pushq %rax SWITCH_TO_KERNEL_CR3 scratch_reg=%rax -- 2.19.1.6.gb485710b
|