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From:   Hans de Goede <hdegoede@redhat.com>
To:     Thomas Gleixner <tglx@linutronix.de>,
        Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
        "H . Peter Anvin" <hpa@zytor.com>
Cc:     Hans de Goede <hdegoede@redhat.com>, x86@kernel.org,
        linux-kernel@vger.kernel.org
Subject: [PATCH v4 1/2] x86/purgatory: Fix missing ftrace_likely_update symbol
Date:   Wed, 11 Mar 2020 22:46:00 +0100
Message-Id: <20200311214601.18141-2-hdegoede@redhat.com>
In-Reply-To: <20200311214601.18141-1-hdegoede@redhat.com>
References: <20200311214601.18141-1-hdegoede@redhat.com>
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Sender: linux-kernel-owner@vger.kernel.org
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Fix the purgatory code having a (silent, not reported) missing
symbol reference to ftrace_likely_update when CONFIG_TRACE_BRANCH_PROFILI=
NG
is enabled.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
---
Changes in v4:
-This is a new patch in v4 of this series
---
 arch/x86/purgatory/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/purgatory/Makefile b/arch/x86/purgatory/Makefile
index fb4ee5444379..c1bd85d6392d 100644
--- a/arch/x86/purgatory/Makefile
+++ b/arch/x86/purgatory/Makefile
@@ -25,7 +25,7 @@ KCOV_INSTRUMENT :=3D n
=20
 PURGATORY_CFLAGS_REMOVE :=3D -mcmodel=3Dkernel
 PURGATORY_CFLAGS :=3D -mcmodel=3Dlarge -ffreestanding -fno-zero-initiali=
zed-in-bss
-PURGATORY_CFLAGS +=3D $(DISABLE_STACKLEAK_PLUGIN)
+PURGATORY_CFLAGS +=3D $(DISABLE_STACKLEAK_PLUGIN) -DDISABLE_BRANCH_PROFI=
LING
=20
 # Default KBUILD_CFLAGS can have -pg option set when FTRACE is enabled. =
That
 # in turn leaves some undefined symbols like __fentry__ in purgatory and=
 not
--=20
2.25.1