Hi Bin, On Mon, 9 Nov 2020 at 01:05, Bin Meng <[email protected]> wrote: > > Since commit 29d2d64ed55f ("x86: Add support for more than 8 MTRRs"), > the maximum number of variable range MTRRs was increased from 8 to 10, > which caused a #GP exception during VESA video driver probe. > > On the BayTrail platform there are only 8 variable range MTRRs. In > mtrr_commit() it still uses MTRR_MAX_COUNT which should have been > updated to use dynamically probed number. > > This fixes the boot failure seen on Intel Minnow Max board. > > Fixes: 29d2d64ed55f ("x86: Add support for more than 8 MTRRs") > Signed-off-by: Bin Meng <[email protected]> > --- > > arch/x86/cpu/mtrr.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) >
Reviewed-by: Simon Glass <[email protected]> I don't actually see the boot failure in my lab, but this looks right to me. Regards, Simon
