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authorDavid S. Miller <davem@davemloft.net>2018-01-23 13:49:06 -0500
committerDavid S. Miller <davem@davemloft.net>2018-01-23 13:51:56 -0500
commit5ca114400dcd46f19f31573e7c60e638bd8d644b (patch)
treed78dc56c94548d865e505f022c08006716bdb963 /kernel
parentf53d77e19b6587527a3dd60a0e638f115e5cd7a9 (diff)
parenta84a8ab94ed5cb65a1355fe9e8d1d55283375808 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
en_rx_am.c was deleted in 'net-next' but had a bug fixed in it in 'net'. The esp{4,6}_offload.c conflicts were overlapping changes. The 'out' label is removed so we just return ERR_PTR(-EINVAL) directly. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'kernel')
-rw-r--r--kernel/irq/matrix.c20
1 files changed, 14 insertions, 6 deletions
diff --git a/kernel/irq/matrix.c b/kernel/irq/matrix.c
index 0ba0dd8863a7..5187dfe809ac 100644
--- a/kernel/irq/matrix.c
+++ b/kernel/irq/matrix.c
@@ -321,15 +321,23 @@ void irq_matrix_remove_reserved(struct irq_matrix *m)
int irq_matrix_alloc(struct irq_matrix *m, const struct cpumask *msk,
bool reserved, unsigned int *mapped_cpu)
{
- unsigned int cpu;
+ unsigned int cpu, best_cpu, maxavl = 0;
+ struct cpumap *cm;
+ unsigned int bit;
+ best_cpu = UINT_MAX;
for_each_cpu(cpu, msk) {
- struct cpumap *cm = per_cpu_ptr(m->maps, cpu);
- unsigned int bit;
+ cm = per_cpu_ptr(m->maps, cpu);
- if (!cm->online)
+ if (!cm->online || cm->available <= maxavl)
continue;
+ best_cpu = cpu;
+ maxavl = cm->available;
+ }
+
+ if (maxavl) {
+ cm = per_cpu_ptr(m->maps, best_cpu);
bit = matrix_alloc_area(m, cm, 1, false);
if (bit < m->alloc_end) {
cm->allocated++;
@@ -338,8 +346,8 @@ int irq_matrix_alloc(struct irq_matrix *m, const struct cpumask *msk,
m->global_available--;
if (reserved)
m->global_reserved--;
- *mapped_cpu = cpu;
- trace_irq_matrix_alloc(bit, cpu, m, cm);
+ *mapped_cpu = best_cpu;
+ trace_irq_matrix_alloc(bit, best_cpu, m, cm);
return bit;
}
}