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| author | Marc Zyngier <marc.zyngier@arm.com> | 2017-10-09 14:17:43 +0200 |
|---|---|---|
| committer | Marc Zyngier <marc.zyngier@arm.com> | 2017-10-19 12:22:42 +0200 |
| commit | 3c1cceeb3d2879d98eda7afd62838fde7b0f920d (patch) | |
| tree | 3b8a98951bbc9f12b5a85a7406a16aad603deadd /drivers/irqchip/irq-gic-v3-its.c | |
| parent | irqchip/gic-v3-its: Limit scope of VPE mapping to be per ITS (diff) | |
| download | linux-3c1cceeb3d2879d98eda7afd62838fde7b0f920d.tar.xz linux-3c1cceeb3d2879d98eda7afd62838fde7b0f920d.zip | |
irqchip/gic-v3-its: Only send VINVALL to a single ITS
Sending VINVALL to all ITSs is completely pointless, as all
we're trying to achieve is to tell the redistributor that
the property table for this VPE should be invalidated.
Let's issue the command on the first valid ITS and be done with it.
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Diffstat (limited to 'drivers/irqchip/irq-gic-v3-its.c')
| -rw-r--r-- | drivers/irqchip/irq-gic-v3-its.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c index dc0ece20f964..bc7099352cc9 100644 --- a/drivers/irqchip/irq-gic-v3-its.c +++ b/drivers/irqchip/irq-gic-v3-its.c @@ -2527,7 +2527,12 @@ static void its_vpe_invall(struct its_vpe *vpe) if (its_list_map && !vpe->its_vm->vlpi_count[its->list_nr]) continue; + /* + * Sending a VINVALL to a single ITS is enough, as all + * we need is to reach the redistributors. + */ its_send_vinvall(its, vpe); + return; } } |