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Merge tag 'x86_bugs_for_v6.11_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

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Pull x86 cpu mitigation updates from Borislav Petkov:

 - Add a spectre_bhi=vmexit mitigation option aimed at cloud
   environments

 - Remove duplicated Spectre cmdline option documentation

 - Add separate macro definitions for syscall handlers which do not
   return in order to address objtool warnings

* tag 'x86_bugs_for_v6.11_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/bugs: Add 'spectre_bhi=vmexit' cmdline option
  x86/bugs: Remove duplicate Spectre cmdline option descriptions
  x86/syscall: Mark exit[_group] syscall handlers __noreturn
This commit is contained in:
Linus Torvalds
2024-07-15 20:07:27 -07:00
parent f998678baf 42c141fbb6
commit 2439a5eaa7
12 changed files with 86 additions and 109 deletions
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tools/objtool/noreturns.h
+4
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@@ -7,12 +7,16 @@
* Yes, this is unfortunate. A better solution is in the works.
*/
NORETURN(__fortify_panic)
NORETURN(__ia32_sys_exit)
NORETURN(__ia32_sys_exit_group)
NORETURN(__kunit_abort)
NORETURN(__module_put_and_kthread_exit)
NORETURN(__reiserfs_panic)
NORETURN(__stack_chk_fail)
NORETURN(__tdx_hypercall_failed)
NORETURN(__ubsan_handle_builtin_unreachable)
NORETURN(__x64_sys_exit)
NORETURN(__x64_sys_exit_group)
NORETURN(arch_cpu_idle_dead)
NORETURN(bch2_trans_in_restart_error)
NORETURN(bch2_trans_restart_error)