diff options
Diffstat (limited to '0022-x86-irq-remove-offline-CPUs-from-old-CPU-mask-when-a.patch')
| -rw-r--r-- | 0022-x86-irq-remove-offline-CPUs-from-old-CPU-mask-when-a.patch | 44 |
1 files changed, 0 insertions, 44 deletions
diff --git a/0022-x86-irq-remove-offline-CPUs-from-old-CPU-mask-when-a.patch b/0022-x86-irq-remove-offline-CPUs-from-old-CPU-mask-when-a.patch deleted file mode 100644 index 28fec3e..0000000 --- a/0022-x86-irq-remove-offline-CPUs-from-old-CPU-mask-when-a.patch +++ /dev/null @@ -1,44 +0,0 @@ -From 52e16bf065cb42b79d14ac74d701d1f9d8506430 Mon Sep 17 00:00:00 2001 -From: =?UTF-8?q?Roger=20Pau=20Monn=C3=A9?= <roger.pau@citrix.com> -Date: Wed, 26 Jun 2024 13:37:20 +0200 -Subject: [PATCH 22/56] x86/irq: remove offline CPUs from old CPU mask when - adjusting move_cleanup_count -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -When adjusting move_cleanup_count to account for CPUs that are offline also -adjust old_cpu_mask, otherwise further calls to fixup_irqs() could subtract -those again and create an imbalance in move_cleanup_count. - -Fixes: 472e0b74c5c4 ('x86/IRQ: deal with move cleanup count state in fixup_irqs()') -Signed-off-by: Roger Pau Monné <roger.pau@citrix.com> -Reviewed-by: Jan Beulich <jbeulich@suse.com> -master commit: e63209d3ba2fd1b2f232babd14c9c679ffa7b09a -master date: 2024-06-10 10:33:22 +0200 ---- - xen/arch/x86/irq.c | 8 ++++++++ - 1 file changed, 8 insertions(+) - -diff --git a/xen/arch/x86/irq.c b/xen/arch/x86/irq.c -index e07006391a..db14df93db 100644 ---- a/xen/arch/x86/irq.c -+++ b/xen/arch/x86/irq.c -@@ -2576,6 +2576,14 @@ void fixup_irqs(const cpumask_t *mask, bool verbose) - desc->arch.move_cleanup_count -= cpumask_weight(affinity); - if ( !desc->arch.move_cleanup_count ) - release_old_vec(desc); -+ else -+ /* -+ * Adjust old_cpu_mask to account for the offline CPUs, -+ * otherwise further calls to fixup_irqs() could subtract those -+ * again and possibly underflow the counter. -+ */ -+ cpumask_andnot(desc->arch.old_cpu_mask, desc->arch.old_cpu_mask, -+ affinity); - } - - if ( !desc->action || cpumask_subset(desc->affinity, mask) ) --- -2.45.2 - |