From: WANG Chao <chao.wang@ucloud.cn>
To: linux-kernel@vger.kernel.org
Cc: stable@vger.kernel.org, Peter Zijlstra <peterz@infradead.org>,
Zhenzhong Duan <zhenzhong.duan@oracle.com>,
Thomas Gleixner <tglx@linutronix.de>,
David Woodhouse <dwmw@amazon.co.uk>, Borislav Petkov <bp@suse.de>,
Daniel Borkmann <daniel@iogearbox.net>,
"H . Peter Anvin" <hpa@zytor.com>,
Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
Andy Lutomirski <luto@kernel.org>,
Masahiro Yamada <yamada.masahiro@socionext.com>,
Michal Marek <michal.lkml@markovi.net>,
srinivas.eeda@oracle.com
Subject: [PATCH] treewide: replace RETPOLINE with CONFIG_RETPOLINE
Date: Tue, 11 Dec 2018 00:37:25 +0800 [thread overview]
Message-ID: <20181210163725.95977-1-chao.wang@ucloud.cn> (raw)
Since commit 4cd24de3a098 ("x86/retpoline: Make CONFIG_RETPOLINE depend
on compiler support"), RETPOLINE has been replaced by CONFIG_RETPOLINE.
Fixes: 4cd24de3a098 ("x86/retpoline: Make CONFIG_RETPOLINE depend on compiler support")
Signed-off-by: WANG Chao <chao.wang@ucloud.cn>
---
arch/x86/kernel/cpu/bugs.c | 2 +-
include/linux/compiler-gcc.h | 2 +-
include/linux/module.h | 2 +-
scripts/mod/modpost.c | 2 +-
4 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/arch/x86/kernel/cpu/bugs.c b/arch/x86/kernel/cpu/bugs.c
index 500278f5308e..e8abe3f6c10e 100644
--- a/arch/x86/kernel/cpu/bugs.c
+++ b/arch/x86/kernel/cpu/bugs.c
@@ -213,7 +213,7 @@ static enum spectre_v2_mitigation spectre_v2_enabled __ro_after_init =
static enum spectre_v2_user_mitigation spectre_v2_user __ro_after_init =
SPECTRE_V2_USER_NONE;
-#ifdef RETPOLINE
+#ifdef CONFIG_RETPOLINE
static bool spectre_v2_bad_module;
bool retpoline_module_ok(bool has_retpoline)
diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h
index 2010493e1040..977ddf2774f9 100644
--- a/include/linux/compiler-gcc.h
+++ b/include/linux/compiler-gcc.h
@@ -68,7 +68,7 @@
*/
#define uninitialized_var(x) x = x
-#ifdef RETPOLINE
+#ifdef CONFIG_RETPOLINE
#define __noretpoline __attribute__((__indirect_branch__("keep")))
#endif
diff --git a/include/linux/module.h b/include/linux/module.h
index fce6b4335e36..0c575f51fe57 100644
--- a/include/linux/module.h
+++ b/include/linux/module.h
@@ -817,7 +817,7 @@ static inline void module_bug_finalize(const Elf_Ehdr *hdr,
static inline void module_bug_cleanup(struct module *mod) {}
#endif /* CONFIG_GENERIC_BUG */
-#ifdef RETPOLINE
+#ifdef CONFIG_RETPOLINE
extern bool retpoline_module_ok(bool has_retpoline);
#else
static inline bool retpoline_module_ok(bool has_retpoline)
diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
index 0d998c54564d..5a5b3780456f 100644
--- a/scripts/mod/modpost.c
+++ b/scripts/mod/modpost.c
@@ -2157,7 +2157,7 @@ static void add_intree_flag(struct buffer *b, int is_intree)
/* Cannot check for assembler */
static void add_retpoline(struct buffer *b)
{
- buf_printf(b, "\n#ifdef RETPOLINE\n");
+ buf_printf(b, "\n#ifdef CONFIG_RETPOLINE\n");
buf_printf(b, "MODULE_INFO(retpoline, \"Y\");\n");
buf_printf(b, "#endif\n");
}
--
2.19.2
next reply other threads:[~2018-12-10 16:46 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-12-10 16:37 WANG Chao [this message]
2018-12-12 8:14 ` [PATCH] treewide: replace RETPOLINE with CONFIG_RETPOLINE Zhenzhong Duan
2018-12-12 13:10 ` Masahiro Yamada
2018-12-21 9:33 ` WANG Chao
2018-12-21 10:47 ` Borislav Petkov
2018-12-21 11:00 ` WANG Chao
2018-12-21 15:48 ` David Laight
2019-01-09 3:48 ` WANG Chao
2019-01-09 10:04 ` [tip:x86/urgent] x86, modpost: Replace last remnants of " tip-bot for WANG Chao
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