From: Jake Oshins <jakeo@microsoft.com>
To: linux-pci@vger.kernel.org, gregkh@linuxfoundation.org,
kys@microsoft.com, linux-kernel@vger.kernel.org,
devel@linuxdriverproject.org, olaf@aepfle.de, apw@canonical.com,
vkuznets@redhat.com, haiyangz@microsoft.com,
haddenh@microsoft.com, helgaas@kernel.org
Cc: Jake Oshins <jakeo@microsoft.com>
Subject: [PATCH v5 3/6] drivers:hv: Reverse order of resources in hyperv_mmio
Date: Tue, 5 Apr 2016 18:18:19 -0700 [thread overview]
Message-ID: <1459905502-20798-4-git-send-email-jakeo@microsoft.com> (raw)
In-Reply-To: <1459905502-20798-1-git-send-email-jakeo@microsoft.com>
A patch later in this series allocates child nodes
in this resource tree. For that to work, this tree
needs to be sorted in ascending order.
Signed-off-by: Jake Oshins <jakeo@microsoft.com>
---
drivers/hv/vmbus_drv.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c
index 60553c1..1ce47d0 100644
--- a/drivers/hv/vmbus_drv.c
+++ b/drivers/hv/vmbus_drv.c
@@ -1049,7 +1049,6 @@ static acpi_status vmbus_walk_resources(struct acpi_resource *res, void *ctx)
new_res->end = end;
/*
- * Stick ranges from higher in address space at the front of the list.
* If two ranges are adjacent, merge them.
*/
do {
@@ -1070,7 +1069,7 @@ static acpi_status vmbus_walk_resources(struct acpi_resource *res, void *ctx)
break;
}
- if ((*old_res)->end < new_res->start) {
+ if ((*old_res)->start > new_res->end) {
new_res->sibling = *old_res;
if (prev_res)
(*prev_res)->sibling = new_res;
--
1.9.1
next prev parent reply other threads:[~2016-04-05 23:40 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-06 1:18 [PATCH v5 0/6] drivers:hv: Ensure that bridge windows don't overlap Jake Oshins
2016-04-06 1:18 ` [PATCH v5 1/6] drivers:hv: Lock access to hyperv_mmio resource tree Jake Oshins
2016-04-06 1:18 ` [PATCH v5 2/6] drivers:hv: Call vmbus_mmio_free() to reverse vmbus_mmio_allocate() Jake Oshins
2016-04-21 15:37 ` Bjorn Helgaas
2016-04-06 1:18 ` Jake Oshins [this message]
2016-04-06 1:18 ` [PATCH v5 4/6] drivers:hv: Track allocations of children of hv_vmbus in private resource tree Jake Oshins
2016-04-06 1:18 ` [PATCH v5 5/6] drivers:hv: Record MMIO range in use by frame buffer Jake Oshins
2016-04-06 1:18 ` [PATCH v5 6/6] drivers:hv: Separate out frame buffer logic when picking MMIO range Jake Oshins
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