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authorThomas Gleixner <tglx@linutronix.de>2018-11-25 19:33:44 +0100
committerThomas Gleixner <tglx@linutronix.de>2018-11-28 11:57:09 +0100
commit495d470e9828500e0155027f230449ac5e29c025 (patch)
tree8183cc1c29db37f2085d835e84d2c2c597c560f8 /arch/x86
parent30ba72a990f5096ae08f284de17986461efcc408 (diff)
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x86/speculation: Unify conditional spectre v2 print functions
There is no point in having two functions and a conditional at the call site. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Ingo Molnar <mingo@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Andy Lutomirski <luto@kernel.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Jiri Kosina <jkosina@suse.cz> Cc: Tom Lendacky <thomas.lendacky@amd.com> Cc: Josh Poimboeuf <jpoimboe@redhat.com> Cc: Andrea Arcangeli <aarcange@redhat.com> Cc: David Woodhouse <dwmw@amazon.co.uk> Cc: Tim Chen <tim.c.chen@linux.intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Dave Hansen <dave.hansen@intel.com> Cc: Casey Schaufler <casey.schaufler@intel.com> Cc: Asit Mallick <asit.k.mallick@intel.com> Cc: Arjan van de Ven <arjan@linux.intel.com> Cc: Jon Masters <jcm@redhat.com> Cc: Waiman Long <longman9394@gmail.com> Cc: Greg KH <gregkh@linuxfoundation.org> Cc: Dave Stewart <david.c.stewart@intel.com> Cc: Kees Cook <keescook@chromium.org> Cc: stable@vger.kernel.org Link: https://lkml.kernel.org/r/20181125185004.986890749@linutronix.de
Diffstat (limited to 'arch/x86')
-rw-r--r--arch/x86/kernel/cpu/bugs.c17
1 files changed, 4 insertions, 13 deletions
diff --git a/arch/x86/kernel/cpu/bugs.c b/arch/x86/kernel/cpu/bugs.c
index 9279cbabe16e..4f5a6319dca6 100644
--- a/arch/x86/kernel/cpu/bugs.c
+++ b/arch/x86/kernel/cpu/bugs.c
@@ -257,15 +257,9 @@ static const struct {
{ "auto", SPECTRE_V2_CMD_AUTO, false },
};
-static void __init spec2_print_if_insecure(const char *reason)
+static void __init spec_v2_print_cond(const char *reason, bool secure)
{
- if (boot_cpu_has_bug(X86_BUG_SPECTRE_V2))
- pr_info("%s selected on command line.\n", reason);
-}
-
-static void __init spec2_print_if_secure(const char *reason)
-{
- if (!boot_cpu_has_bug(X86_BUG_SPECTRE_V2))
+ if (boot_cpu_has_bug(X86_BUG_SPECTRE_V2) != secure)
pr_info("%s selected on command line.\n", reason);
}
@@ -309,11 +303,8 @@ static enum spectre_v2_mitigation_cmd __init spectre_v2_parse_cmdline(void)
return SPECTRE_V2_CMD_AUTO;
}
- if (mitigation_options[i].secure)
- spec2_print_if_secure(mitigation_options[i].option);
- else
- spec2_print_if_insecure(mitigation_options[i].option);
-
+ spec_v2_print_cond(mitigation_options[i].option,
+ mitigation_options[i].secure);
return cmd;
}