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powerpc/security: make display of branch cache flush more consistent

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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
This commit is contained in:
Nicholas Piggin 2020-06-09 17:06:06 +10:00 committed by Michael Ellerman
parent c06ac27710
commit 1afe00c74f
1 changed files with 4 additions and 4 deletions
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8
arch/powerpc/kernel/security.c
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@ -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)