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Date: Sun, 26 Jun 2016 17:34:51 +0200
From: Emese Revfy <re.emese@...il.com>
To: keescook@...omium.org
Cc: mmarek@...e.com, linux-kbuild@...r.kernel.org,
kernel-hardening@...ts.openwall.com, pageexec@...email.hu
Subject: [PATCH] powerpc/kernel: Disable the latent entropy plugin
unconditionally
Reported-by: PaX Team <pageexec@...email.hu>
Signed-off-by: Emese Revfy <re.emese@...il.com>
---
arch/powerpc/kernel/Makefile | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/arch/powerpc/kernel/Makefile b/arch/powerpc/kernel/Makefile
index 01935b8..e9ef44f 100644
--- a/arch/powerpc/kernel/Makefile
+++ b/arch/powerpc/kernel/Makefile
@@ -14,11 +14,12 @@ CFLAGS_prom_init.o += -fPIC
CFLAGS_btext.o += -fPIC
endif
-ifdef CONFIG_FUNCTION_TRACER
CFLAGS_cputable.o += $(DISABLE_LATENT_ENTROPY_PLUGIN)
CFLAGS_init.o += $(DISABLE_LATENT_ENTROPY_PLUGIN)
CFLAGS_btext.o += $(DISABLE_LATENT_ENTROPY_PLUGIN)
CFLAGS_prom.o += $(DISABLE_LATENT_ENTROPY_PLUGIN)
+
+ifdef CONFIG_FUNCTION_TRACER
# Do not trace early boot code
CFLAGS_REMOVE_cputable.o = -mno-sched-epilog $(CC_FLAGS_FTRACE)
CFLAGS_REMOVE_prom_init.o = -mno-sched-epilog $(CC_FLAGS_FTRACE)
--
2.8.1
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