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authorPeter Zijlstra <peterz@infradead.org>2022-04-08 11:45:54 +0200
committerPeter Zijlstra <peterz@infradead.org>2022-04-19 21:58:47 +0200
commit2730d3c14a85617c177337f2e2af2108bf82c4ca (patch)
treefae39a5e1e114ed5059426cca403da70549b6ca3 /arch/x86/platform
parent226d44acf6dfe71c9df5804b82364e93cf908b53 (diff)
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
Diffstat (limited to 'arch/x86/platform')
-rw-r--r--arch/x86/platform/pvh/head.S1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/platform/pvh/head.S b/arch/x86/platform/pvh/head.S
index 72c1e42d121d..7fe564eaf228 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))