remove-alternative-asm.patch (1365B)
- SPDX-FileCopyrightText: 2021 fosslinux <fosslinux@aussies.space>
- SPDX-License-Identifier: GPL-2.0-only
- Our older version of binutils doesn't play very nicely with binutils for a
- couple of edgecase macros. It seems that ALTERNATIVE is one of these. As we
- know what your system will be (not Xen), we can manually evaluate and write
- out the ALTERNATIVEs.
- --- linux-4.14.336/arch/x86/entry/entry_32.S 2021-07-31 11:40:07.458032771 +1000
- +++ linux-4.14.336/arch/x86/entry/entry_32.S 2021-07-31 11:40:42.835298841 +1000
- @@ -412,9 +412,8 @@
- movl %esp, %eax
- call do_fast_syscall_32
- - /* XEN PV guests always use IRET path */
- - ALTERNATIVE "testl %eax, %eax; jz .Lsyscall_32_done", \
- - "jmp .Lsyscall_32_done", X86_FEATURE_XENPV
- + testl %eax, %eax
- + jz .Lsyscall_32_done
- /* Opportunistic SYSEXIT */
- TRACE_IRQS_ON /* User mode traces as IRQs on. */
- --- linux-4.14.336/arch/x86/entry/vdso/vdso32/system_call.S 2021-07-31 11:41:40.379731622 +1000
- +++ linux-4.14.336/arch/x86/entry/vdso/vdso32/system_call.S 2021-07-31 11:43:40.294633506 +1000
- @@ -55,8 +55,6 @@
- /* If SYSENTER (Intel) or SYSCALL32 (AMD) is available, use it. */
- ALTERNATIVE_2 "", SYSENTER_SEQUENCE, X86_FEATURE_SYSENTER32, \
- SYSCALL_SEQUENCE, X86_FEATURE_SYSCALL32
- -#else
- - ALTERNATIVE "", SYSENTER_SEQUENCE, X86_FEATURE_SEP
- #endif
- /* Enter using int $0x80 */