Pull mtrr update from Borislav Petkov:
"A single change to verify the presence of fixed MTRR ranges before
accessing the respective MSRs"
* tag 'x86_mtrr_for_v6.16_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/mtrr: Check if fixed-range MTRRs exist in mtrr_save_fixed_ranges()