diff mbox series

[v2,08/12] x86: move .text.kexec

Message ID f964e5bb-6b84-40d6-d247-7655ef09d47b@suse.com (mailing list archive)
State New, archived
Headers show
Series x86: memcpy() / memset() (non-)ERMS flavors plus fallout | expand

Commit Message

Jan Beulich May 27, 2021, 12:34 p.m. UTC 
The source file requests page alignment - avoid a padding hole by
placing it right after .text.entry. On average this yields a .text size
reduction of 2k.

Requested-by: Andrew Cooper <andrew.cooper3@citrix.com>
Signed-off-by: Jan Beulich <jbeulich@suse.com>
---
v2: New.

Comments

Andrew Cooper Feb. 18, 2022, 1:34 p.m. UTC | #1 
On 27/05/2021 13:34, Jan Beulich wrote:
> The source file requests page alignment - avoid a padding hole by
> placing it right after .text.entry. On average this yields a .text size
> reduction of 2k.
>
> Requested-by: Andrew Cooper <andrew.cooper3@citrix.com>
> Signed-off-by: Jan Beulich <jbeulich@suse.com>

Reviewed-by: Andrew Cooper <andrew.cooper3@citrix.com>

I'll rebase my kexec metadata patch over this.

~Andrew
diff mbox series

Patch

--- a/xen/arch/x86/xen.lds.S
+++ b/xen/arch/x86/xen.lds.S
@@ -83,10 +83,11 @@  SECTIONS
        . = ALIGN(PAGE_SIZE);
        _etextentry = .;
 
+       *(.text.kexec)          /* Page aligned in the object file. */
+
        *(.text.cold)
        *(.text.unlikely)
        *(.fixup)
-       *(.text.kexec)
        *(.gnu.warning)
        _etext = .;             /* End of text section */
   } PHDR(text) = 0x9090