linux-kernel - [PATCH 18/21] lto, crypto: Disable LTO for camelia glue

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20171127213423.27218-19-andi@firstfloor.org>
Date:   Mon, 27 Nov 2017 13:34:20 -0800
From:   Andi Kleen <andi@...stfloor.org>
To:     linux-kernel@...r.kernel.org
Cc:     x86@...nel.org, samitolvanen@...gle.com, alxmtvv@...il.com,
        linux-kbuild@...r.kernel.org, yamada.masahiro@...ionext.com,
        akpm@...ux-foundation.org, Andi Kleen <ak@...ux.intel.com>
Subject: [PATCH 18/21] lto, crypto: Disable LTO for camelia glue

From: Andi Kleen <ak@...ux.intel.com>

The camelia assembler glue functions don't like LTO
and cause missing symbols. Just disable LTO for them.
I tried to add some visibles, but it's good enough
and this works fine.

Signed-off-by: Andi Kleen <ak@...ux.intel.com>
---
 arch/x86/crypto/Makefile | 1 +
 crypto/Makefile          | 1 +
 2 files changed, 2 insertions(+)

diff --git a/arch/x86/crypto/Makefile b/arch/x86/crypto/Makefile
index 5f07333bb224..9dd30dd062f1 100644
--- a/arch/x86/crypto/Makefile
+++ b/arch/x86/crypto/Makefile
@@ -64,6 +64,7 @@ serpent-sse2-i586-y := serpent-sse2-i586-asm_32.o serpent_sse2_glue.o
 
 aes-x86_64-y := aes-x86_64-asm_64.o aes_glue.o
 des3_ede-x86_64-y := des3_ede-asm_64.o des3_ede_glue.o
+CFLAGS_camellia_glue.o += $(DISABLE_LTO)
 camellia-x86_64-y := camellia-x86_64-asm_64.o camellia_glue.o
 blowfish-x86_64-y := blowfish-x86_64-asm_64.o blowfish_glue.o
 twofish-x86_64-y := twofish-x86_64-asm_64.o twofish_glue.o
diff --git a/crypto/Makefile b/crypto/Makefile
index d674884b2d51..86ae10bb468b 100644
--- a/crypto/Makefile
+++ b/crypto/Makefile
@@ -101,6 +101,7 @@ CFLAGS_serpent_generic.o := $(call cc-option,-fsched-pressure)  # https://gcc.gn
 obj-$(CONFIG_CRYPTO_AES) += aes_generic.o
 obj-$(CONFIG_CRYPTO_AES_TI) += aes_ti.o
 obj-$(CONFIG_CRYPTO_CAMELLIA) += camellia_generic.o
+CFLAGS_cast_common.o += $(DISABLE_LTO)
 obj-$(CONFIG_CRYPTO_CAST_COMMON) += cast_common.o
 obj-$(CONFIG_CRYPTO_CAST5) += cast5_generic.o
 obj-$(CONFIG_CRYPTO_CAST6) += cast6_generic.o
-- 
2.13.6