Messages in this thread Patch in this message | | | Date | Tue, 19 Apr 2022 20:08:43 -0000 | From | "tip-bot2 for Peter Zijlstra" <> | Subject | [tip: x86/urgent] x86,xen,objtool: Add UNWIND hint |
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The following commit has been merged into the x86/urgent branch of tip:
Commit-ID: 2730d3c14a85617c177337f2e2af2108bf82c4ca Gitweb: https://git.kernel.org/tip/2730d3c14a85617c177337f2e2af2108bf82c4ca Author: Peter Zijlstra <peterz@infradead.org> AuthorDate: Fri, 08 Apr 2022 11:45:54 +02:00 Committer: Peter Zijlstra <peterz@infradead.org> CommitterDate: Tue, 19 Apr 2022 21:58:47 +02:00
x86,xen,objtool: Add UNWIND hint
SYM_CODE_START*() doesn't get auto-validated and needs an UNWIND hint to get checked, add one.
vmlinux.o: warning: objtool: pvh_start_xen()+0x0: unreachable
Reported-by: Thomas Gleixner <tglx@linutronix.de> Reported-by: Rick Edgecombe <rick.p.edgecombe@intel.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Acked-by: Josh Poimboeuf <jpoimboe@redhat.com> Link: https://lore.kernel.org/r/20220408094718.321246297@infradead.org --- arch/x86/platform/pvh/head.S | 1 + 1 file changed, 1 insertion(+)
diff --git a/arch/x86/platform/pvh/head.S b/arch/x86/platform/pvh/head.S index 72c1e42..7fe564e 100644 --- a/arch/x86/platform/pvh/head.S +++ b/arch/x86/platform/pvh/head.S @@ -50,6 +50,7 @@ #define PVH_DS_SEL (PVH_GDT_ENTRY_DS * 8) SYM_CODE_START_LOCAL(pvh_start_xen) + UNWIND_HINT_EMPTY cld lgdt (_pa(gdt))
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