Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
Merge branch 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irqchip fix from Thomas Gleixner:
"A fix for a GIC-V3 irqchip regression which prevents some systems from
booting"
* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
irqchip/gicv3-its: ITS table size should not be smaller than PSZ
+8
-1
+8
-1
drivers/irqchip/irq-gic-v3-its.c
+8
-1
drivers/irqchip/irq-gic-v3-its.c
···
828
828
u64 typer = readq_relaxed(its->base + GITS_TYPER);
829
829
u32 ids = GITS_TYPER_DEVBITS(typer);
830
830
831
-
order = get_order((1UL << ids) * entry_size);
831
+
/*
832
+
* 'order' was initialized earlier to the default page
833
+
* granule of the the ITS. We can't have an allocation
834
+
* smaller than that. If the requested allocation
835
+
* is smaller, round up to the default page granule.
836
+
*/
837
+
order = max(get_order((1UL << ids) * entry_size),
838
+
order);
832
839
if (order >= MAX_ORDER) {
833
840
order = MAX_ORDER - 1;
834
841
pr_warn("%s: Device Table too large, reduce its page order to %u\n",