| From | Greg Kroah-Hartman <> | Subject | [PATCH 5.10 570/663] x86/entry: Fix instrumentation annotation | Date | Mon, 1 Mar 2021 17:13:38 +0100 |
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From: Thomas Gleixner <tglx@linutronix.de>
commit 15f720aabe71a5662c4198b22532d95bbeec80ef upstream.
Embracing a callout into instrumentation_begin() / instrumentation_begin() does not really make sense. Make the latter instrumentation_end().
Fixes: 2f6474e4636b ("x86/entry: Switch XEN/PV hypercall entry to IDTENTRY") Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Kees Cook <keescook@chromium.org> Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/20210210002512.106502464@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> --- arch/x86/entry/common.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/arch/x86/entry/common.c +++ b/arch/x86/entry/common.c @@ -304,7 +304,7 @@ __visible noinstr void xen_pv_evtchn_do_ instrumentation_begin(); run_on_irqstack_cond(__xen_pv_evtchn_do_upcall, regs); - instrumentation_begin(); + instrumentation_end(); set_irq_regs(old_regs);
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