diff options
| author | Juergen Gross <jgross@suse.com> | 2025-02-05 11:24:47 +0100 |
|---|---|---|
| committer | Juergen Gross <jgross@suse.com> | 2025-02-05 17:23:22 +0100 |
| commit | aaf5eefd374b6e006e1c224a2b37bac9d3737aa2 (patch) | |
| tree | 28e5e574d5acb2a8d27987ed1ab60d5168632fb9 | |
| parent | 0bd797b801bd8ee06c822844e20d73aaea0878dd (diff) | |
x86/xen: remove unneeded dummy push from xen_hypercall_hvm()
Stack alignment of the kernel in 64-bit mode is 8, not 16, so the
dummy push in xen_hypercall_hvm() for aligning the stack to 16 bytes
can be removed.
Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Jan Beulich <jbeulich@suse.com>
Reviewed-by: Andrew Cooper <andrew.cooper3@citrix.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
| -rw-r--r-- | arch/x86/xen/xen-head.S | 6 |
1 files changed, 0 insertions, 6 deletions
diff --git a/arch/x86/xen/xen-head.S b/arch/x86/xen/xen-head.S index 4e481b0eefc9..894edf8d6d62 100644 --- a/arch/x86/xen/xen-head.S +++ b/arch/x86/xen/xen-head.S @@ -100,9 +100,6 @@ SYM_FUNC_START(xen_hypercall_hvm) push %r10 push %r9 push %r8 -#ifdef CONFIG_FRAME_POINTER - pushq $0 /* Dummy push for stack alignment. */ -#endif #endif /* Set the vendor specific function. */ call __xen_hypercall_setfunc @@ -119,9 +116,6 @@ SYM_FUNC_START(xen_hypercall_hvm) #else lea xen_hypercall_amd(%rip), %rcx cmp %rax, %rcx -#ifdef CONFIG_FRAME_POINTER - pop %rax /* Dummy pop. */ -#endif pop %r8 pop %r9 pop %r10 |