This is a note to let you know that I've just added the patch titled
genirq/msi: Remove unused MSI_FLAG_IDENTITY_MAP
to the 4.7-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
genirq-msi-remove-unused-msi_flag_identity_map.patch
and it can be found in the queue-4.7 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From b6140914fd079e43ea75a53429b47128584f033a Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Date: Mon, 4 Jul 2016 17:39:22 +0900
Subject: genirq/msi: Remove unused MSI_FLAG_IDENTITY_MAP
From: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
commit b6140914fd079e43ea75a53429b47128584f033a upstream.
No user and we definitely don't want to grow one.
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Reviewed-by: Bart Van Assche <bart.vanassche@xxxxxxxxxxx>
Cc: Christoph Hellwig <hch@xxxxxx>
Cc: linux-block@xxxxxxxxxxxxxxx
Cc: linux-pci@xxxxxxxxxxxxxxx
Cc: linux-nvme@xxxxxxxxxxxxxxxxxxx
Cc: axboe@xxxxxx
Cc: agordeev@xxxxxxxxxx
Link: http://lkml.kernel.org/r/1467621574-8277-2-git-send-email-hch@xxxxxx
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
include/linux/msi.h | 6 ++----
kernel/irq/msi.c | 8 ++------
2 files changed, 4 insertions(+), 10 deletions(-)
--- a/include/linux/msi.h
+++ b/include/linux/msi.h
@@ -264,12 +264,10 @@ enum {
* callbacks.
*/
MSI_FLAG_USE_DEF_CHIP_OPS = (1 << 1),
- /* Build identity map between hwirq and irq */
- MSI_FLAG_IDENTITY_MAP = (1 << 2),
/* Support multiple PCI MSI interrupts */
- MSI_FLAG_MULTI_PCI_MSI = (1 << 3),
+ MSI_FLAG_MULTI_PCI_MSI = (1 << 2),
/* Support PCI MSIX interrupts */
- MSI_FLAG_PCI_MSIX = (1 << 4),
+ MSI_FLAG_PCI_MSIX = (1 << 3),
};
int msi_domain_set_affinity(struct irq_data *data, const struct cpumask *mask,
--- a/kernel/irq/msi.c
+++ b/kernel/irq/msi.c
@@ -324,7 +324,7 @@ int msi_domain_alloc_irqs(struct irq_dom
struct msi_domain_ops *ops = info->ops;
msi_alloc_info_t arg;
struct msi_desc *desc;
- int i, ret, virq = -1;
+ int i, ret, virq;
ret = msi_domain_prepare_irqs(domain, dev, nvec, &arg);
if (ret)
@@ -332,12 +332,8 @@ int msi_domain_alloc_irqs(struct irq_dom
for_each_msi_entry(desc, dev) {
ops->set_desc(&arg, desc);
- if (info->flags & MSI_FLAG_IDENTITY_MAP)
- virq = (int)ops->get_hwirq(info, &arg);
- else
- virq = -1;
- virq = __irq_domain_alloc_irqs(domain, virq, desc->nvec_used,
+ virq = __irq_domain_alloc_irqs(domain, -1, desc->nvec_used,
dev_to_node(dev), &arg, false);
if (virq < 0) {
ret = -ENOSPC;
Patches currently in stable-queue which might be from tglx@xxxxxxxxxxxxx are
queue-4.7/x86-mm-disable-preemption-during-cr3-read-write.patch
queue-4.7/genirq-msi-remove-unused-msi_flag_identity_map.patch
queue-4.7/uprobes-x86-fix-rip-relative-handling-of-evex-encoded-instructions.patch
queue-4.7/x86-platform-uv-skip-uv-runtime-services-mapping-in-the-efi_runtime_disabled-case.patch
queue-4.7/efi-capsule-allocate-whole-capsule-into-virtual-memory.patch
queue-4.7/genirq-msi-make-sure-pci-msis-are-activated-early.patch
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