Messages in this thread Patch in this message | | | Date | Tue, 20 Feb 2018 02:27:37 -0800 | From | tip-bot for Jan Beulich <> | Subject | [tip:x86/pti] x86/LDT: Avoid warning in 32-bit builds with older gcc |
| |
Commit-ID: f2f18b16c779978ece4a04f304a92ff9ac8fbce5 Gitweb: https://git.kernel.org/tip/f2f18b16c779978ece4a04f304a92ff9ac8fbce5 Author: Jan Beulich <JBeulich@suse.com> AuthorDate: Mon, 19 Feb 2018 07:52:10 -0700 Committer: Ingo Molnar <mingo@kernel.org> CommitDate: Tue, 20 Feb 2018 09:33:40 +0100
x86/LDT: Avoid warning in 32-bit builds with older gcc
BUG() doesn't always imply "no return", and hence should be followed by a return statement even if that's obviously (to a human) unreachable.
Signed-off-by: Jan Beulich <jbeulich@suse.com> Acked-by: Thomas Gleixner <tglx@linutronix.de> Cc: Andy Lutomirski <luto@kernel.org> Cc: Borislav Petkov <bp@alien8.de> Cc: Brian Gerst <brgerst@gmail.com> Cc: Denys Vlasenko <dvlasenk@redhat.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Josh Poimboeuf <jpoimboe@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/5A8AF2AA02000078001A91E9@prv-mh.provo.novell.com Signed-off-by: Ingo Molnar <mingo@kernel.org> --- arch/x86/include/asm/mmu_context.h | 1 + 1 file changed, 1 insertion(+)
diff --git a/arch/x86/include/asm/mmu_context.h b/arch/x86/include/asm/mmu_context.h index c931b88..1de72ce 100644 --- a/arch/x86/include/asm/mmu_context.h +++ b/arch/x86/include/asm/mmu_context.h @@ -74,6 +74,7 @@ static inline void *ldt_slot_va(int slot) return (void *)(LDT_BASE_ADDR + LDT_SLOT_STRIDE * slot); #else BUG(); + return (void *)fix_to_virt(FIX_HOLE); #endif }
| |