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| author | Juergen Gross <jgross@suse.com> | 2021-10-28 10:12:21 +0200 |
|---|---|---|
| committer | Boris Ostrovsky <boris.ostrovsky@oracle.com> | 2021-11-02 08:11:02 -0500 |
| commit | eae446b7654f25b2ca42ed0de54d7005e126fdac (patch) | |
| tree | 2f31b0c2db0cf1bfcd71ab7495751ab7daf84ac2 /arch/x86/xen | |
| parent | 3ac876e8b5fc6561c15031b5a56ff1f2e4fa0e5f (diff) | |
| download | lwn-eae446b7654f25b2ca42ed0de54d7005e126fdac.tar.gz lwn-eae446b7654f25b2ca42ed0de54d7005e126fdac.zip | |
x86/xen: remove 32-bit awareness from startup_xen
startup_xen is still 32-bit aware, even if no longer needed.
Replace the register macros by the 64-bit register names for making
it more readable.
Signed-off-by: Juergen Gross <jgross@suse.com>
Link: https://lore.kernel.org/r/20211028081221.2475-5-jgross@suse.com
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Diffstat (limited to 'arch/x86/xen')
| -rw-r--r-- | arch/x86/xen/xen-head.S | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/arch/x86/xen/xen-head.S b/arch/x86/xen/xen-head.S index 9e27b86a0c31..6a64496edefb 100644 --- a/arch/x86/xen/xen-head.S +++ b/arch/x86/xen/xen-head.S @@ -45,13 +45,13 @@ SYM_CODE_START(startup_xen) /* Clear .bss */ xor %eax,%eax - mov $__bss_start, %_ASM_DI - mov $__bss_stop, %_ASM_CX - sub %_ASM_DI, %_ASM_CX - shr $__ASM_SEL(2, 3), %_ASM_CX - rep __ASM_SIZE(stos) + mov $__bss_start, %rdi + mov $__bss_stop, %rcx + sub %rdi, %rcx + shr $3, %rcx + rep stosq - mov %_ASM_SI, xen_start_info + mov %rsi, xen_start_info mov initial_stack(%rip), %rsp /* Set up %gs. |