[PATCH 3/7] powerpc/security: make display of branch cache flush more consistent

Nicholas Piggin npiggin at gmail.com
Tue Jun 9 17:06:06 AEST 2020


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

Signed-off-by: Nicholas Piggin <npiggin at gmail.com>
---
 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
index 28f4cb062f69..659ef6a92bb9 100644
--- 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)
 		patch_instruction_site(&patch__call_kvm_flush_link_stack,
 				       ppc_inst(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(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)
-- 
2.23.0



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