From 7882b69eb6cdf6288a89d831d95c8547400a8b4d Mon Sep 17 00:00:00 2001 From: Juergen Gross Date: Mon, 5 Dec 2022 09:04:33 +0100 Subject: [PATCH] x86/mtrr: Make message for disabled MTRRs more descriptive Instead of just saying "Disabled" when MTRRs are disabled for any reason, tell what is disabled and why. Signed-off-by: Juergen Gross Signed-off-by: Borislav Petkov (AMD) Link: https://lore.kernel.org/r/20221205080433.16643-3-jgross@suse.com --- arch/x86/kernel/cpu/mtrr/mtrr.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/arch/x86/kernel/cpu/mtrr/mtrr.c b/arch/x86/kernel/cpu/mtrr/mtrr.c index 6432abc..783f321 100644 --- a/arch/x86/kernel/cpu/mtrr/mtrr.c +++ b/arch/x86/kernel/cpu/mtrr/mtrr.c @@ -629,6 +629,7 @@ int __initdata changed_by_mtrr_cleanup; */ void __init mtrr_bp_init(void) { + const char *why = "(not available)"; u32 phys_addr; phys_addr = 32; @@ -705,12 +706,13 @@ void __init mtrr_bp_init(void) changed_by_mtrr_cleanup = mtrr_cleanup(phys_addr); } else { mtrr_if = NULL; + why = "by BIOS"; } } } if (!mtrr_enabled()) - pr_info("Disabled\n"); + pr_info("MTRRs disabled %s\n", why); } /** -- 2.7.4