The patch titled
paravirt_ops: don't steal memory resources in paravirt_disable_iospace
has been added to the -mm tree. Its filename is
paravirt_ops-dont-steal-memory-resources-in-paravirt_disable_iospace.patch
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The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: paravirt_ops: don't steal memory resources in paravirt_disable_iospace
From: Jeremy Fitzhardinge <jeremy@xxxxxxxx>
The memory resource is also used for main memory, and we need it to allocate
physical addresses for memory hotplug. Knobbling io space is enough to get
the job done anyway.
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@xxxxxxxxxx>
Cc: Rusty Russell <rusty@xxxxxxxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/x86/kernel/paravirt.c | 18 +-----------------
1 file changed, 1 insertion(+), 17 deletions(-)
diff -puN arch/x86/kernel/paravirt.c~paravirt_ops-dont-steal-memory-resources-in-paravirt_disable_iospace arch/x86/kernel/paravirt.c
--- a/arch/x86/kernel/paravirt.c~paravirt_ops-dont-steal-memory-resources-in-paravirt_disable_iospace
+++ a/arch/x86/kernel/paravirt.c
@@ -206,13 +206,6 @@ static struct resource reserve_ioports =
.flags = IORESOURCE_IO | IORESOURCE_BUSY,
};
-static struct resource reserve_iomem = {
- .start = 0,
- .end = -1,
- .name = "paravirt-iomem",
- .flags = IORESOURCE_MEM | IORESOURCE_BUSY,
-};
-
/*
* Reserve the whole legacy IO space to prevent any legacy drivers
* from wasting time probing for their hardware. This is a fairly
@@ -222,16 +215,7 @@ static struct resource reserve_iomem = {
*/
int paravirt_disable_iospace(void)
{
- int ret;
-
- ret = request_resource(&ioport_resource, &reserve_ioports);
- if (ret == 0) {
- ret = request_resource(&iomem_resource, &reserve_iomem);
- if (ret)
- release_resource(&reserve_ioports);
- }
-
- return ret;
+ return request_resource(&ioport_resource, &reserve_ioports);
}
static DEFINE_PER_CPU(enum paravirt_lazy_mode, paravirt_lazy_mode) = PARAVIRT_LAZY_NONE;
_
Patches currently in -mm which might be from jeremy@xxxxxxxx are
origin.patch
git-x86.patch
sparsemem-vmemmap-does-not-need-section-bits.patch
kbuild-create-a-way-to-create-preprocessor-constants-from-c-expressions.patch
pageflags-use-an-enum-for-the-flags.patch
pageflags-get-rid-of-flags_reserved.patch
pageflags-introduce-macros-to-generate-page-flag-functions.patch
pageflags-convert-to-the-use-of-new-macros.patch
pageflags-use-proper-page-flag-functions-in-xen.patch
pageflags-eliminate-pg_xxx-aliases.patch
hotplug-memory-add-add_memory_resource.patch
hotplug-memory-adding-non-section-aligned-memory-is-bad.patch
sparsemem-reduce-i386-pae-section-size.patch
paravirt_ops-dont-steal-memory-resources-in-paravirt_disable_iospace.patch
xen-make-blkif_getgeo-static.patch
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