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484400ffbf
linux_dsm_epyc7002/drivers/xen
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Liu Jinsong 484400ffbf xen/acpi: xen memory hotplug minor updates 
Dan Carpenter found current xen memory hotplug logic
has potential issue: at func acpi_memory_get_device()
*mem_device = acpi_driver_data(device);
while the device may be NULL and then dereference.

At native side, Rafael recently updated acpi_memory_get_device(),
dropping acpi_bus_add, adding lock, and avoiding above issue.

This patch updates xen memory hotplug logic accordingly, removing
redundant logic, adding lock, and avoiding dereference.

Signed-off-by: Liu Jinsong <jinsong.liu@intel.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
2013-02-25 07:44:21 -05:00
..
xen-pciback Two fixes: 2013-02-08 11:55:27 +11:00
xenbus xen: introduce xen_remap, use it instead of ioremap 2013-02-19 22:02:34 -05:00
xenfs userns: Convert xenfs to use kuid and kgid where appropriate 2012-09-21 03:13:06 -07:00
acpi.c xen/acpi/sleep: Enable ACPI sleep via the __acpi_os_prepare_sleep 2012-05-07 15:33:18 -04:00
balloon.c xen: balloon: allow PVMMU interfaces to be compiled out 2012-11-29 12:59:13 +00:00
biomerge.c xen: using EXPORT_SYMBOL requires including export.h 2012-01-18 15:37:49 -08:00
cpu_hotplug.c Xen: properly bound buffer access when parsing cpu/*/availability 2013-01-15 15:57:02 -05:00
dbgp.c xen: dbgp: Fix warning when CONFIG_PCI is not enabled. 2012-10-19 15:19:37 -04:00
events.c Features: 2013-02-24 16:18:31 -08:00
evtchn.c xen: close evtchn port if binding to irq fails 2013-02-19 22:02:33 -05:00
fallback.c xen/hypercall: fix hypercall fallback code for very old hypervisors 2012-11-04 10:40:42 -05:00
features.c xen: clean up asm/xen/hypervisor.h 2008-12-16 21:50:31 +01:00
gntalloc.c mm: kill vma flag VM_RESERVED and mm->reserved_vm counter 2012-10-09 16:22:19 +09:00
gntdev.c xen/gntdev: remove erronous use of copy_to_user 2013-01-15 16:02:40 -05:00
grant-table.c xen: introduce xen_remap, use it instead of ioremap 2013-02-19 22:02:34 -05:00
Kconfig xen/acpi: ACPI cpu hotplug 2013-02-19 22:02:29 -05:00
Makefile xen/acpi: ACPI cpu hotplug 2013-02-19 22:02:29 -05:00
manage.c xen/resume: Fix compile warnings. 2012-04-19 15:12:49 -04:00
mcelog.c xen/mce: add .poll method for mcelog device driver 2012-07-19 15:51:41 -04:00
pci.c xen/pci: Check for PCI bridge before using it. 2012-05-30 10:16:35 -04:00
pcpu.c Features: 2013-02-24 16:18:31 -08:00
platform-pci.c Drivers: xen: remove __dev* attributes. 2013-01-03 15:57:01 -08:00
privcmd.c xen/privcmd: Fix mmap batch ioctl. 2013-01-15 16:00:52 -05:00
privcmd.h xen: Add privcmd device driver 2011-12-16 13:29:31 -05:00
swiotlb-xen.c x86: Don't panic if can not alloc buffer for swiotlb 2013-01-29 19:36:53 -08:00
sys-hypervisor.c xen: sysfs: fix build warning. 2012-10-19 15:17:51 -04:00
tmem.c xen/tmem: Add missing %s in the printk statement. 2013-02-19 22:02:31 -05:00
xen-acpi-cpuhotplug.c Features: 2013-02-24 16:18:31 -08:00
xen-acpi-memhotplug.c xen/acpi: xen memory hotplug minor updates 2013-02-25 07:44:21 -05:00
xen-acpi-pad.c ACPI: Remove useless type argument of driver .remove() operation 2013-01-26 00:37:24 +01:00
xen-acpi-processor.c cpuidle / ACPI : remove power from acpi_processor_cx structure 2012-09-05 15:13:48 +02:00
xen-balloon.c Features: 2012-03-22 20:16:14 -07:00
xen-selfballoon.c mm: export a function to get vm committed memory 2012-11-15 15:41:22 -08:00
xen-stub.c xen/stub: driver for CPU hotplug 2013-02-19 22:02:27 -05:00
xencomm.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00