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authorCédric Le Goater <clg@kaod.org>2020-12-10 20:14:39 +0300
committerMichael Ellerman <mpe@ellerman.id.au>2020-12-11 01:34:07 +0300
commit4f1c3f7b08187e6b97701c7fb2dc6f3749566c62 (patch)
tree424040cc547a8bb03f288dcf609601bb0dffb1d9 /arch/powerpc
parent98983675008ab3ae9b37fc7a4bfa083998079215 (diff)
downloadlinux-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.h2
-rw-r--r--arch/powerpc/kvm/book3s_xive.c4
-rw-r--r--arch/powerpc/sysdev/xive/common.c2
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;