Juergen Gross 1d988ed465 x86/xen: dont add memory above max allowed allocation ... Don't allow memory to be added above the allowed maximum allocation limit set by Xen. Trying to do so would result in cases like the following: [ 584.559652] ------------[ cut here ]------------ [ 584.564897] WARNING: CPU: 2 PID: 1 at ../arch/x86/xen/multicalls.c:129 xen_alloc_pte+0x1c7/0x390() [ 584.575151] Modules linked in: [ 584.578643] Supported: Yes [ 584.581750] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.4.120-92.70-default #1 [ 584.590000] Hardware name: Cisco Systems Inc UCSC-C460-M4/UCSC-C460-M4, BIOS C460M4.4.0.1b.0.0629181419 06/29/2018 [ 584.601862] 0000000000000000 ffffffff813175a0 0000000000000000 ffffffff8184777c [ 584.610200] ffffffff8107f4e1 ffff880487eb7000 ffff8801862b79c0 ffff88048608d290 [ 584.618537] 0000000000487eb7 ffffea0000000201 ffffffff81009de7 ffffffff81068561 [ 584.626876] Call Trace: [ 584.629699] [<ffffffff81019ad9>] dump_trace+0x59/0x340 [ 584.635645] [<ffffffff81019eaa>] show_stack_log_lvl+0xea/0x170 [ 584.642391] [<ffffffff8101ac51>] show_stack+0x21/0x40 [ 584.648238] [<ffffffff813175a0>] dump_stack+0x5c/0x7c [ 584.654085] [<ffffffff8107f4e1>] warn_slowpath_common+0x81/0xb0 [ 584.660932] [<ffffffff81009de7>] xen_alloc_pte+0x1c7/0x390 [ 584.667289] [<ffffffff810647f0>] pmd_populate_kernel.constprop.6+0x40/0x80 [ 584.675241] [<ffffffff815ecfe8>] phys_pmd_init+0x210/0x255 [ 584.681587] [<ffffffff815ed207>] phys_pud_init+0x1da/0x247 [ 584.687931] [<ffffffff815edb3b>] kernel_physical_mapping_init+0xf5/0x1d4 [ 584.695682] [<ffffffff815e9bdd>] init_memory_mapping+0x18d/0x380 [ 584.702631] [<ffffffff81064699>] arch_add_memory+0x59/0xf0 Signed-off-by: Juergen Gross <jgross@suse.com> Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com> Signed-off-by: Juergen Gross <jgross@suse.com>		2019-02-18 06:52:51 +01:00
..
events	xen: Fix x86 sched_clock() interface for xen	2019-01-16 13:06:05 -05:00
xen-pciback	xen/pciback: Don't disable PCI_COMMAND on PCI device reset.	2019-02-18 06:49:46 +01:00
xenbus
xenfs
acpi.c
arm-device.c
balloon.c
biomerge.c
cpu_hotplug.c
dbgp.c
efi.c
evtchn.c
fallback.c
features.c
gntalloc.c
gntdev-common.h
gntdev-dmabuf.c	xen/gntdev: Check and release imported dma-bufs on close	2019-02-18 06:50:10 +01:00
gntdev-dmabuf.h	xen/gntdev: Do not destroy context while dma-bufs are in use	2019-02-18 06:50:03 +01:00
gntdev.c	xen/gntdev: Do not destroy context while dma-bufs are in use	2019-02-18 06:50:03 +01:00
grant-table.c
Kconfig
Makefile
manage.c
mcelog.c
mem-reservation.c
pci.c
pcpu.c
platform-pci.c
preempt.c
privcmd-buf.c
privcmd.c	Remove 'type' argument from access_ok() function	2019-01-03 18:57:57 -08:00
privcmd.h
pvcalls-back.c	xen/pvcalls: remove set but not used variable 'intf'	2019-01-04 10:55:27 -05:00
pvcalls-front.c	pvcalls-front: fix potential null dereference	2019-01-15 16:13:47 -05:00
pvcalls-front.h
swiotlb-xen.c	arm64/xen: fix xen-swiotlb cache flushing	2019-01-23 22:14:56 +01:00
sys-hypervisor.c
time.c
tmem.c
xen-acpi-cpuhotplug.c
xen-acpi-memhotplug.c
xen-acpi-pad.c
xen-acpi-processor.c
xen-balloon.c	x86/xen: dont add memory above max allowed allocation	2019-02-18 06:52:51 +01:00
xen-front-pgdir-shbuf.c
xen-scsiback.c	xen-scsiback: mark expected switch fall-through	2019-02-18 06:48:42 +01:00
xen-selfballoon.c
xen-stub.c
xlate_mmu.c