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3515899bef
linux-next/arch/x86/entry
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Peter Zijlstra 3515899bef x86: Annotate idtentry_df() 
Without CONFIG_X86_ESPFIX64 exc_double_fault() is noreturn and objtool
is clever enough to figure that out.

vmlinux.o: warning: objtool: asm_exc_double_fault()+0x22: unreachable instruction

0000000000001260 <asm_exc_double_fault>:
1260:       f3 0f 1e fa             endbr64
1264:       90                      nop
1265:       90                      nop
1266:       90                      nop
1267:       e8 84 03 00 00          call   15f0 <paranoid_entry>
126c:       48 89 e7                mov    %rsp,%rdi
126f:       48 8b 74 24 78          mov    0x78(%rsp),%rsi
1274:       48 c7 44 24 78 ff ff ff ff      movq   $0xffffffffffffffff,0x78(%rsp)
127d:       e8 00 00 00 00          call   1282 <asm_exc_double_fault+0x22> 127e: R_X86_64_PLT32    exc_double_fault-0x4
1282:       e9 09 04 00 00          jmp    1690 <paranoid_exit>

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/Yi9gOW9f1GGwwUD6@hirez.programming.kicks-ass.net
2022-03-15 10:32:45 +01:00
..
syscalls mm/mempolicy: wire up syscall set_mempolicy_home_node 2022-01-15 16:30:30 +02:00
vdso - Get rid of all the .fixup sections because this generates 2022-01-12 16:31:19 -08:00
vsyscall x86: Prepare asm files for straight-line-speculation 2021-12-08 12:25:37 +01:00
calling.h x86/entry: Split PUSH_AND_CLEAR_REGS into two submacros 2021-05-12 10:49:15 +02:00
common.c X86 entry code related updates: 2021-06-29 12:44:51 -07:00
entry_32.S Merge branch 'signal-for-v5.17' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace 2022-01-17 05:49:30 +02:00
entry_64_compat.S x86/ibt,sev: Annotations 2022-03-15 10:32:41 +01:00
entry_64.S x86: Annotate idtentry_df() 2022-03-15 10:32:45 +01:00
Makefile x86/syscalls: Don't adjust CFLAGS for syscall tables 2021-05-25 16:59:23 +02:00
syscall_32.c x86/syscalls: Stop filling syscall arrays with *_sys_ni_syscall 2021-05-20 15:03:59 +02:00
syscall_64.c x86/syscalls: Stop filling syscall arrays with *_sys_ni_syscall 2021-05-20 15:03:59 +02:00
syscall_x32.c x86/syscalls: Stop filling syscall arrays with *_sys_ni_syscall 2021-05-20 15:03:59 +02:00
thunk_32.S x86: Prepare asm files for straight-line-speculation 2021-12-08 12:25:37 +01:00
thunk_64.S x86: Prepare asm files for straight-line-speculation 2021-12-08 12:25:37 +01:00