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Message-Id: <20161206062800.21800-2-andrew.donnellan@au1.ibm.com>
Date: Tue, 6 Dec 2016 17:27:59 +1100
From: Andrew Donnellan <andrew.donnellan@....ibm.com>
To: linuxppc-dev@...ts.ozlabs.org, kernel-hardening@...ts.openwall.com,
keescook@...omium.org, re.emese@...il.com
Cc: linux-kernel@...r.kernel.org, linux-kbuild@...r.kernel.org,
pageexec@...email.hu, spender@...ecurity.net, mmarek@...e.com
Subject: [PATCH 2/3] powerpc: correctly disable latent entropy GCC plugin on prom_init.o
Commit 38addce8b600 ("gcc-plugins: Add latent_entropy plugin") excludes
certain powerpc early boot code from the latent entropy plugin by adding
appropriate CFLAGS. It looks like this was supposed to cover prom_init.o,
but ended up saying init.o (which doesn't exist) instead. Fix the typo.
Fixes: 38addce8b600 ("gcc-plugins: Add latent_entropy plugin")
Signed-off-by: Andrew Donnellan <andrew.donnellan@....ibm.com>
---
I think that we potentially could get rid of some of these disables, but
it's safer to leave it for now.
---
arch/powerpc/kernel/Makefile | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/powerpc/kernel/Makefile b/arch/powerpc/kernel/Makefile
index 1925341..adb52d1 100644
--- a/arch/powerpc/kernel/Makefile
+++ b/arch/powerpc/kernel/Makefile
@@ -15,7 +15,7 @@ CFLAGS_btext.o += -fPIC
endif
CFLAGS_cputable.o += $(DISABLE_LATENT_ENTROPY_PLUGIN)
-CFLAGS_init.o += $(DISABLE_LATENT_ENTROPY_PLUGIN)
+CFLAGS_prom_init.o += $(DISABLE_LATENT_ENTROPY_PLUGIN)
CFLAGS_btext.o += $(DISABLE_LATENT_ENTROPY_PLUGIN)
CFLAGS_prom.o += $(DISABLE_LATENT_ENTROPY_PLUGIN)
--
Andrew Donnellan OzLabs, ADL Canberra
andrew.donnellan@....ibm.com IBM Australia Limited
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