diff options
| author | Cédric Le Goater <clg@kaod.org> | 2020-12-10 20:14:39 +0300 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2020-12-11 01:34:07 +0300 |
| commit | 4f1c3f7b08187e6b97701c7fb2dc6f3749566c62 (patch) | |
| tree | 424040cc547a8bb03f288dcf609601bb0dffb1d9 /arch/powerpc | |
| parent | 98983675008ab3ae9b37fc7a4bfa083998079215 (diff) | |
| download | linux-4f1c3f7b08187e6b97701c7fb2dc6f3749566c62.tar.xz | |
powerpc/xive: Rename XIVE_IRQ_NO_EOI to show its a flag
This is a simple cleanup to identify easily all flags of the XIVE
interrupt structure. The interrupts flagged with XIVE_IRQ_FLAG_NO_EOI
are the escalations used to wake up vCPUs in KVM. They are handled
very differently from the rest.
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Greg Kurz <groug@kaod.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20201210171450.1933725-3-clg@kaod.org
Diffstat (limited to 'arch/powerpc')
| -rw-r--r-- | arch/powerpc/include/asm/xive.h | 2 | ||||
| -rw-r--r-- | arch/powerpc/kvm/book3s_xive.c | 4 | ||||
| -rw-r--r-- | arch/powerpc/sysdev/xive/common.c | 2 |
3 files changed, 4 insertions, 4 deletions
diff --git a/arch/powerpc/include/asm/xive.h b/arch/powerpc/include/asm/xive.h index 309b4d65b74f..d332dd9a18de 100644 --- a/arch/powerpc/include/asm/xive.h +++ b/arch/powerpc/include/asm/xive.h @@ -66,7 +66,7 @@ struct xive_irq_data { #define XIVE_IRQ_FLAG_H_INT_ESB 0x20 /* Special flag set by KVM for excalation interrupts */ -#define XIVE_IRQ_NO_EOI 0x80 +#define XIVE_IRQ_FLAG_NO_EOI 0x80 #define XIVE_INVALID_CHIP_ID -1 diff --git a/arch/powerpc/kvm/book3s_xive.c b/arch/powerpc/kvm/book3s_xive.c index 773e8e8c0015..7f60d1353d0e 100644 --- a/arch/powerpc/kvm/book3s_xive.c +++ b/arch/powerpc/kvm/book3s_xive.c @@ -219,7 +219,7 @@ int kvmppc_xive_attach_escalation(struct kvm_vcpu *vcpu, u8 prio, /* In single escalation mode, we grab the ESB MMIO of the * interrupt and mask it. Also populate the VCPU v/raddr * of the ESB page for use by asm entry/exit code. Finally - * set the XIVE_IRQ_NO_EOI flag which will prevent the + * set the XIVE_IRQ_FLAG_NO_EOI flag which will prevent the * core code from performing an EOI on the escalation * interrupt, thus leaving it effectively masked after * it fires once. @@ -231,7 +231,7 @@ int kvmppc_xive_attach_escalation(struct kvm_vcpu *vcpu, u8 prio, xive_vm_esb_load(xd, XIVE_ESB_SET_PQ_01); vcpu->arch.xive_esc_raddr = xd->eoi_page; vcpu->arch.xive_esc_vaddr = (__force u64)xd->eoi_mmio; - xd->flags |= XIVE_IRQ_NO_EOI; + xd->flags |= XIVE_IRQ_FLAG_NO_EOI; } return 0; diff --git a/arch/powerpc/sysdev/xive/common.c b/arch/powerpc/sysdev/xive/common.c index a80440af491a..65af34ac1fa2 100644 --- a/arch/powerpc/sysdev/xive/common.c +++ b/arch/powerpc/sysdev/xive/common.c @@ -416,7 +416,7 @@ static void xive_irq_eoi(struct irq_data *d) * been passed-through to a KVM guest */ if (!irqd_irq_disabled(d) && !irqd_is_forwarded_to_vcpu(d) && - !(xd->flags & XIVE_IRQ_NO_EOI)) + !(xd->flags & XIVE_IRQ_FLAG_NO_EOI)) xive_do_source_eoi(irqd_to_hwirq(d), xd); else xd->stale_p = true; |