Re: [PATCH] treewide: replace RETPOLINE with CONFIG_RETPOLINE

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 




On 2018/12/11 0:37, WANG Chao wrote:
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on compiler support"), RETPOLINE has been replaced by CONFIG_RETPOLINE.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@xxxxxxxxx>
---
  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");
  }

I have no idea why I have missed these chunks. Thank you for fixing.

Reviewed-by: Zhenzhong Duan <zhenzhong.duan@xxxxxxxxxx>




[Index of Archives]     [Linux Kernel]     [Kernel Development Newbies]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite Hiking]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux