4.19-stable review patch. If anyone has any objections, please let me know. ------------------ From: Thomas Gleixner tglx@xxxxxxxxxxxxx commit 495d470e9828500e0155027f230449ac5e29c025 upstream There is no point in having two functions and a conditional at the call site. Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx> Reviewed-by: Ingo Molnar <mingo@xxxxxxxxxx> Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx> Cc: Andy Lutomirski <luto@xxxxxxxxxx> Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> Cc: Jiri Kosina <jkosina@xxxxxxx> Cc: Tom Lendacky <thomas.lendacky@xxxxxxx> Cc: Josh Poimboeuf <jpoimboe@xxxxxxxxxx> Cc: Andrea Arcangeli <aarcange@xxxxxxxxxx> Cc: David Woodhouse <dwmw@xxxxxxxxxxxx> Cc: Tim Chen <tim.c.chen@xxxxxxxxxxxxxxx> Cc: Andi Kleen <ak@xxxxxxxxxxxxxxx> Cc: Dave Hansen <dave.hansen@xxxxxxxxx> Cc: Casey Schaufler <casey.schaufler@xxxxxxxxx> Cc: Asit Mallick <asit.k.mallick@xxxxxxxxx> Cc: Arjan van de Ven <arjan@xxxxxxxxxxxxxxx> Cc: Jon Masters <jcm@xxxxxxxxxx> Cc: Waiman Long <longman9394@xxxxxxxxx> Cc: Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx> Cc: Dave Stewart <david.c.stewart@xxxxxxxxx> Cc: Kees Cook <keescook@xxxxxxxxxxxx> Cc: stable@xxxxxxxxxxxxxxx Link: https://lkml.kernel.org/r/20181125185004.986890749@xxxxxxxxxxxxx Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- arch/x86/kernel/cpu/bugs.c | 17 ++++------------- 1 file changed, 4 insertions(+), 13 deletions(-) --- 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); } @@ -308,11 +302,8 @@ static enum spectre_v2_mitigation_cmd __ 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; }
