diff options
Diffstat (limited to 'drivers/irqchip/irq-gic-v3-its.c')
| -rw-r--r-- | drivers/irqchip/irq-gic-v3-its.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c index 57ecf5b5155f..d54fa0638dc4 100644 --- a/drivers/irqchip/irq-gic-v3-its.c +++ b/drivers/irqchip/irq-gic-v3-its.c @@ -125,6 +125,8 @@ struct its_node { int vlpi_redist_offset; }; +static DEFINE_PER_CPU(struct its_node *, local_4_1_its); + #define is_v4(its) (!!((its)->typer & GITS_TYPER_VLPIS)) #define is_v4_1(its) (!!((its)->typer & GITS_TYPER_VMAPP)) #define device_ids(its) (FIELD_GET(GITS_TYPER_DEVBITS, (its)->typer) + 1) @@ -2778,6 +2780,7 @@ static u64 inherit_vpe_l1_table_from_its(void) } val |= FIELD_PREP(GICR_VPROPBASER_4_1_SIZE, GITS_BASER_NR_PAGES(baser) - 1); + *this_cpu_ptr(&local_4_1_its) = its; return val; } @@ -2815,6 +2818,7 @@ static u64 inherit_vpe_l1_table_from_rd(cpumask_t **mask) gic_data_rdist()->vpe_l1_base = gic_data_rdist_cpu(cpu)->vpe_l1_base; *mask = gic_data_rdist_cpu(cpu)->vpe_table_mask; + *this_cpu_ptr(&local_4_1_its) = *per_cpu_ptr(&local_4_1_its, cpu); return val; } @@ -4184,7 +4188,7 @@ static struct irq_chip its_vpe_irq_chip = { static struct its_node *find_4_1_its(void) { - static struct its_node *its = NULL; + struct its_node *its = *this_cpu_ptr(&local_4_1_its); if (!its) { list_for_each_entry(its, &its_nodes, entry) { |