From 1afe00c74ffe6d502bffa81c7d849cb4640d7ae5 Mon Sep 17 00:00:00 2001
From: Nicholas Piggin <npiggin@gmail.com>
Date: Tue, 9 Jun 2020 17:06:06 +1000
Subject: [PATCH] powerpc/security: make display of branch cache flush more
 consistent

References: bsc#1188885 ltc#193722
Patch-mainline: v5.9-rc1
Git-commit: 1afe00c74ffe6d502bffa81c7d849cb4640d7ae5

Make the count-cache and link-stack messages look the same

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200609070610.846703-4-npiggin@gmail.com
Acked-by: Michal Suchanek <msuchanek@suse.de>
---
 arch/powerpc/kernel/security.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/powerpc/kernel/security.c b/arch/powerpc/kernel/security.c
--- a/arch/powerpc/kernel/security.c
+++ b/arch/powerpc/kernel/security.c
@@ -430,7 +430,7 @@ device_initcall(stf_barrier_debugfs_init);
 static void no_count_cache_flush(void)
 {
 	count_cache_flush_type = BRANCH_CACHE_FLUSH_NONE;
-	pr_info("count-cache-flush: software flush disabled.\n");
+	pr_info("count-cache-flush: flush disabled.\n");
 }
 
 static void toggle_branch_cache_flush(bool enable)
@@ -446,7 +446,7 @@ static void toggle_branch_cache_flush(bool enable)
 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE
 		patch_instruction_site(&patch__call_kvm_flush_link_stack, PPC_INST_NOP);
 #endif
-		pr_info("link-stack-flush: software flush disabled.\n");
+		pr_info("link-stack-flush: flush disabled.\n");
 		link_stack_flush_type = BRANCH_CACHE_FLUSH_NONE;
 		no_count_cache_flush();
 		return;
@@ -475,13 +475,13 @@ static void toggle_branch_cache_flush(bool enable)
 
 	if (!security_ftr_enabled(SEC_FTR_BCCTR_FLUSH_ASSIST)) {
 		count_cache_flush_type = BRANCH_CACHE_FLUSH_SW;
-		pr_info("count-cache-flush: full software flush sequence enabled.\n");
+		pr_info("count-cache-flush: software flush enabled.\n");
 		return;
 	}
 
 	patch_instruction_site(&patch__flush_count_cache_return, PPC_INST_BLR);
 	count_cache_flush_type = BRANCH_CACHE_FLUSH_HW;
-	pr_info("count-cache-flush: hardware assisted flush sequence enabled\n");
+	pr_info("count-cache-flush: hardware flush enabled.\n");
 }
 
 void setup_count_cache_flush(void)
-- 
2.26.2