[PATCH 12/14] x86/alternative: Convert the asm ALTERNATIVE_2() macro

From: Borislav Petkov
Date: Fri May 31 2024 - 08:38:19 EST


From: "Borislav Petkov (AMD)" <bp@xxxxxxxxx>

Signed-off-by: Borislav Petkov (AMD) <bp@xxxxxxxxx>
---
arch/x86/include/asm/alternative.h | 22 ----------------------
1 file changed, 22 deletions(-)

diff --git a/arch/x86/include/asm/alternative.h b/arch/x86/include/asm/alternative.h
index 4b17267f3f2f..82a79e17e952 100644
--- a/arch/x86/include/asm/alternative.h
+++ b/arch/x86/include/asm/alternative.h
@@ -452,28 +452,6 @@ void nop_func(void);
* @feature2, it replaces @oldinstr with @feature2.
*/
.macro ALTERNATIVE_2 oldinstr, newinstr1, ft_flags1, newinstr2, ft_flags2
-140:
- \oldinstr
-141:
- .skip -((alt_max_2(new_len1, new_len2) - (old_len)) > 0) * \
- (alt_max_2(new_len1, new_len2) - (old_len)),0x90
-142:
-
- .pushsection .altinstructions,"a"
- altinstr_entry 140b,143f,\ft_flags1,142b-140b,144f-143f
- altinstr_entry 140b,144f,\ft_flags2,142b-140b,145f-144f
- .popsection
-
- .pushsection .altinstr_replacement,"ax"
-143:
- \newinstr1
-144:
- \newinstr2
-145:
- .popsection
-.endm
-
-.macro N_ALTERNATIVE_2 oldinstr, newinstr1, ft_flags1, newinstr2, ft_flags2
__N_ALTERNATIVE(__N_ALTERNATIVE(\oldinstr, \newinstr1, \ft_flags1),
\newinstr2, \ft_flags2)
.endm
--
2.43.0