x86/msr: Add a pointer to an URL which contains further details

After having collected the majority of reports about MSRs being written
by userspace tools and what tools those are, and all newer reports
mostly repeating, add an URL where detailed information is gathered and
kept up-to-date.

Signed-off-by: Borislav Petkov <[email protected]>
Link: https://lkml.kernel.org/r/[email protected]

diff --git a/arch/x86/kernel/msr.c b/arch/x86/kernel/msr.c
index 95e6b97b7d8b85a601c3ee1d22335c4b5585eef3..8a67d1fa8dc580656241442c8c5ca240dc0916f7 100644 (file)
--- a/arch/x86/kernel/msr.c
+++ b/arch/x86/kernel/msr.c
@@ -99,8 +99,9 @@ static int filter_write(u32 reg)
        if (!__ratelimit(&fw_rs))
                return 0;
 
-       pr_warn("Write to unrecognized MSR 0x%x by %s (pid: %d). Please report to [email protected].\n",
+       pr_warn("Write to unrecognized MSR 0x%x by %s (pid: %d).\n",
                reg, current->comm, current->pid);
+       pr_warn("See https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/about for details.\n");
 
        return 0;
 }