17854f1c81
25833-32on64-bogus-pt_base-adjust.patch 25835-adjust-rcu-lock-domain.patch 25836-VT-d-S3-MSI-resume.patch 25850-tmem-xsa-15-1.patch 25851-tmem-xsa-15-2.patch 25852-tmem-xsa-15-3.patch 25853-tmem-xsa-15-4.patch 25854-tmem-xsa-15-5.patch 25855-tmem-xsa-15-6.patch 25856-tmem-xsa-15-7.patch 25857-tmem-xsa-15-8.patch 25858-tmem-xsa-15-9.patch 25859-tmem-missing-break.patch 25860-tmem-cleanup.patch 25861-x86-early-fixmap.patch 25862-sercon-non-com.patch 25863-sercon-ehci-dbgp.patch 25864-sercon-unused.patch 25866-sercon-ns16550-pci-irq.patch 25867-sercon-ns16550-parse.patch 25874-x86-EFI-chain-cfg.patch 25909-xenpm-consistent.patch OBS-URL: https://build.opensuse.org/package/show/Virtualization/xen?expand=0&rev=201
53 lines
1.6 KiB
Diff
53 lines
1.6 KiB
Diff
# HG changeset patch
|
|
# User Jan Beulich <jbeulich@suse.com>
|
|
# Date 1347263130 -7200
|
|
# Node ID 7d216f026f71022186196a75244e97cf3864f50b
|
|
# Parent c70d70d85306b3e4a0538353be131100c5ee38d5
|
|
VT-d: split .ack and .disable DMA-MSI actors
|
|
|
|
Calling irq_complete_move() from .disable is wrong, breaking S3 resume.
|
|
|
|
Comparing with all other .ack actors, it was also missing a call to
|
|
move_{native,masked}_irq(). As the actor is masking its interrupt
|
|
anyway (albeit it's not immediately obvious why), the latter is the
|
|
better choice.
|
|
|
|
Signed-off-by: Jan Beulich <jbeulich@suse.com>
|
|
Acked-by: Keir Fraser <keir@xen.org>
|
|
Acked-by Xiantao Zhang <xiantao.zhang@intel.com>
|
|
|
|
--- a/xen/drivers/passthrough/vtd/iommu.c
|
|
+++ b/xen/drivers/passthrough/vtd/iommu.c
|
|
@@ -1040,8 +1040,6 @@ static void dma_msi_mask(struct irq_desc
|
|
unsigned long flags;
|
|
struct iommu *iommu = desc->action->dev_id;
|
|
|
|
- irq_complete_move(desc);
|
|
-
|
|
/* mask it */
|
|
spin_lock_irqsave(&iommu->register_lock, flags);
|
|
dmar_writel(iommu->reg, DMAR_FECTL_REG, DMA_FECTL_IM);
|
|
@@ -1054,6 +1052,13 @@ static unsigned int dma_msi_startup(stru
|
|
return 0;
|
|
}
|
|
|
|
+static void dma_msi_ack(struct irq_desc *desc)
|
|
+{
|
|
+ irq_complete_move(desc);
|
|
+ dma_msi_mask(desc);
|
|
+ move_masked_irq(desc);
|
|
+}
|
|
+
|
|
static void dma_msi_end(struct irq_desc *desc, u8 vector)
|
|
{
|
|
dma_msi_unmask(desc);
|
|
@@ -1115,7 +1120,7 @@ static hw_irq_controller dma_msi_type =
|
|
.shutdown = dma_msi_mask,
|
|
.enable = dma_msi_unmask,
|
|
.disable = dma_msi_mask,
|
|
- .ack = dma_msi_mask,
|
|
+ .ack = dma_msi_ack,
|
|
.end = dma_msi_end,
|
|
.set_affinity = dma_msi_set_affinity,
|
|
};
|