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x86/xen: Fix noinstr fail in exc_xen_unknown_trap()

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[ Upstream commit 4c9c26f1e6 ]

Fix:

  vmlinux.o: warning: objtool: exc_xen_unknown_trap()+0x7: call to printk() leaves .noinstr.text section

Fixes: 2e92493637 ("x86/xen: avoid warning in Xen pv guest with CONFIG_AMD_MEM_ENCRYPT enabled")
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/20210621120120.606560778@infradead.org
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Peter Zijlstra
2021-06-21 13:12:36 +02:00
committed by Sasha Levin
parent cb83c99cf6
commit 59aa5c91f8
1 changed files with 2 additions and 0 deletions
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2
arch/x86/xen/enlighten_pv.c
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@@ -586,8 +586,10 @@ DEFINE_IDTENTRY_RAW(xenpv_exc_debug)
DEFINE_IDTENTRY_RAW(exc_xen_unknown_trap) DEFINE_IDTENTRY_RAW(exc_xen_unknown_trap)
{ {
/* This should never happen and there is no way to handle it. */ /* This should never happen and there is no way to handle it. */
instrumentation_begin();
pr_err("Unknown trap in Xen PV mode."); pr_err("Unknown trap in Xen PV mode.");
BUG(); BUG();
instrumentation_end();
} }
struct trap_array_entry { struct trap_array_entry {