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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-06-03 19:25:26 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-06-03 19:25:26 +0000 |
| commit | ef6fed2eb60f1d490dd8c6b7a5ae88c29e77522a (patch) | |
| tree | c7830d9586142e9f5d69374f645bf313244797bc /arch/x86/xen/xen-asm.S | |
| parent | Adding debian version 5.10.216-1. (diff) | |
| download | linux-ef6fed2eb60f1d490dd8c6b7a5ae88c29e77522a.tar.xz linux-ef6fed2eb60f1d490dd8c6b7a5ae88c29e77522a.zip | |
Merging upstream version 5.10.218.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
| -rw-r--r-- | arch/x86/xen/xen-asm.S | 21 |
1 files changed, 0 insertions, 21 deletions
diff --git a/arch/x86/xen/xen-asm.S b/arch/x86/xen/xen-asm.S index e3031afcb..3a33713cf 100644 --- a/arch/x86/xen/xen-asm.S +++ b/arch/x86/xen/xen-asm.S @@ -220,27 +220,6 @@ SYM_CODE_START(xen_iret) jmp hypercall_iret SYM_CODE_END(xen_iret) -SYM_CODE_START(xen_sysret64) - UNWIND_HINT_EMPTY - /* - * We're already on the usermode stack at this point, but - * still with the kernel gs, so we can easily switch back. - * - * tss.sp2 is scratch space. - */ - movq %rsp, PER_CPU_VAR(cpu_tss_rw + TSS_sp2) - movq PER_CPU_VAR(cpu_current_top_of_stack), %rsp - - pushq $__USER_DS - pushq PER_CPU_VAR(cpu_tss_rw + TSS_sp2) - pushq %r11 - pushq $__USER_CS - pushq %rcx - - pushq $VGCF_in_syscall - jmp hypercall_iret -SYM_CODE_END(xen_sysret64) - /* * XEN pv doesn't use trampoline stack, PER_CPU_VAR(cpu_tss_rw + TSS_sp0) is * also the kernel stack. Reusing swapgs_restore_regs_and_return_to_usermode() |