- Ensure paravirt patching site descriptors are aligned properly so that

code can do proper arithmetic with their addresses
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Merge tag 'x86_paravirt_for_v6.1_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 paravirt fix from Borislav Petkov:

 - Ensure paravirt patching site descriptors are aligned properly so
   that code can do proper arithmetic with their addresses

* tag 'x86_paravirt_for_v6.1_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/paravirt: Ensure proper alignment
This commit is contained in:
Linus Torvalds 2022-10-04 10:03:40 -07:00
commit 9bf445b65d
2 changed files with 2 additions and 0 deletions

View file

@ -743,6 +743,7 @@ extern void default_banner(void);
word 771b; \
.byte ptype; \
.byte 772b-771b; \
_ASM_ALIGN; \
.popsection

View file

@ -294,6 +294,7 @@ extern struct paravirt_patch_template pv_ops;
" .byte " type "\n" \
" .byte 772b-771b\n" \
" .short " clobber "\n" \
_ASM_ALIGN "\n" \
".popsection\n"
/* Generate patchable code, with the default asm parameters. */