diff options
author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2018-01-12 05:39:28 +0300 |
---|---|---|
committer | Michael Ellerman <mpe@ellerman.id.au> | 2018-01-12 07:24:44 +0300 |
commit | 7f1c410da59090f9bb2300efebbc3b717594d64c (patch) | |
tree | a01f0e72172aee94f076eabe6fe799e606bdc99e /arch/powerpc/sysdev | |
parent | 12c1f339cd49119e39063ae67f02d936f988c079 (diff) | |
download | linux-7f1c410da59090f9bb2300efebbc3b717594d64c.tar.xz |
powerpc/xive: Add interrupt flag to disable automatic EOI
This will be used by KVM in order to keep escalation interrupts
in the non-EOI (masked) state after they fire. They will be
re-enabled directly in HW by KVM when needed.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/sysdev')
-rw-r--r-- | arch/powerpc/sysdev/xive/common.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/powerpc/sysdev/xive/common.c b/arch/powerpc/sysdev/xive/common.c index a3b8d7d1316e..2547b6021e6a 100644 --- a/arch/powerpc/sysdev/xive/common.c +++ b/arch/powerpc/sysdev/xive/common.c @@ -367,7 +367,8 @@ static void xive_irq_eoi(struct irq_data *d) * EOI the source if it hasn't been disabled and hasn't * been passed-through to a KVM guest */ - if (!irqd_irq_disabled(d) && !irqd_is_forwarded_to_vcpu(d)) + if (!irqd_irq_disabled(d) && !irqd_is_forwarded_to_vcpu(d) && + !(xd->flags & XIVE_IRQ_NO_EOI)) xive_do_source_eoi(irqd_to_hwirq(d), xd); /* |