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authorThomas Gleixner <tglx@linutronix.de>2022-05-20 18:48:54 +0200
committerThomas Gleixner <tglx@linutronix.de>2022-05-20 18:48:54 +0200
commitcdb4913293897dde0df522ed5789ba016f3b9157 (patch)
tree32c3dbbc27f1a79b74760a240f2768ea82f7e5cb /kernel/irq/affinity.c
parent21673fcb2532dcd189905ff5a5389eb7dcd0e57a (diff)
parent492449ae4f0ad96948c3e029ca00736a7f1b3d77 (diff)
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Merge tag 'irqchip-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms into irq/core
Pull irqchip updates from Marc Zyngier: - Add new infrastructure to stop gpiolib from rewriting irq_chip structures behind our back. Convert a few of them, but this will obviously be a long effort. - A bunch of GICv3 improvements, such as using MMIO-based invalidations when possible, and reducing the amount of polling we perform when reconfiguring interrupts. - Another set of GICv3 improvements for the Pseudo-NMI functionality, with a nice cleanup making it easy to reason about the various states we can be in when an NMI fires. - The usual bunch of misc fixes and minor improvements. Link: https://lore.kernel.org/all/20220519165308.998315-1-maz@kernel.org
Diffstat (limited to 'kernel/irq/affinity.c')
-rw-r--r--kernel/irq/affinity.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/kernel/irq/affinity.c b/kernel/irq/affinity.c
index 18740faf0eb1..d9a5c1d65a79 100644
--- a/kernel/irq/affinity.c
+++ b/kernel/irq/affinity.c
@@ -269,8 +269,9 @@ static int __irq_build_affinity_masks(unsigned int startvec,
*/
if (numvecs <= nodes) {
for_each_node_mask(n, nodemsk) {
- cpumask_or(&masks[curvec].mask, &masks[curvec].mask,
- node_to_cpumask[n]);
+ /* Ensure that only CPUs which are in both masks are set */
+ cpumask_and(nmsk, cpu_mask, node_to_cpumask[n]);
+ cpumask_or(&masks[curvec].mask, &masks[curvec].mask, nmsk);
if (++curvec == last_affv)
curvec = firstvec;
}