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authorJuergen Gross <jgross@suse.com>2022-12-05 09:04:33 +0100
committerBorislav Petkov (AMD) <bp@alien8.de>2022-12-05 11:08:25 +0100
commit7882b69eb6cdf6288a89d831d95c8547400a8b4d (patch)
tree8769856642f74d29d1e94532f72bce0da34253f3 /arch/x86/kernel/cpu/mtrr
parentc11ca45441d56ed6d353548cad660e04f0b6605d (diff)
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 <jgross@suse.com> Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de> Link: https://lore.kernel.org/r/20221205080433.16643-3-jgross@suse.com
Diffstat (limited to 'arch/x86/kernel/cpu/mtrr')
-rw-r--r--arch/x86/kernel/cpu/mtrr/mtrr.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/x86/kernel/cpu/mtrr/mtrr.c b/arch/x86/kernel/cpu/mtrr/mtrr.c
index 6432abccbf56..783f3210d582 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);
}
/**