linux/arch/s390
Christian Borntraeger 86044c8c14 KVM: s390/cpacf: Fix kernel bug under z/VM
Under z/VM PQAP might trigger an operation exception if no crypto cards
are defined via APVIRTUAL or APDEDICATED.

[  386.098666] Kernel BUG at 0000000000135c56 [verbose debug info unavailable]
[  386.098693] illegal operation: 0001 ilc:2 [#1] SMP
[...]
[  386.098751] Krnl PSW : 0704c00180000000 0000000000135c56 (kvm_s390_apxa_installed+0x46/0x98)
[...]
[  386.098804]  [<000000000013627c>] kvm_arch_init_vm+0x29c/0x358
[  386.098806]  [<000000000012d008>] kvm_dev_ioctl+0xc0/0x460
[  386.098809]  [<00000000002c639a>] do_vfs_ioctl+0x332/0x508
[  386.098811]  [<00000000002c660e>] SyS_ioctl+0x9e/0xb0
[  386.098814]  [<000000000070476a>] system_call+0xd6/0x258
[  386.098815]  [<000003fffc7400a2>] 0x3fffc7400a2

Lets add an extable entry and provide a zeroed config in that case.

Reported-by: Stefan Zimmermann <stzi@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Reviewed-by: Thomas Huth <thuth@linux.vnet.ibm.com>
Tested-by: Stefan Zimmermann <stzi@linux.vnet.ibm.com>
2015-03-04 10:29:55 +01:00
..
appldata s390: appldata: drop owner assignment from platform_drivers 2014-10-20 16:20:13 +02:00
boot s390/sclp: fix declaration of _sclp_print_early() 2015-01-08 10:02:51 +01:00
configs s390: update default configuration 2015-01-22 12:16:09 +01:00
crypto s390/crypto: remove 'const' to avoid compiler warnings 2015-01-08 10:02:53 +01:00
hypfs VFS: (Scripted) Convert S_ISLNK/DIR/REG(dentry->d_inode) to d_is_*(dentry) 2015-02-22 11:38:41 -05:00
include Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux 2015-02-21 11:18:26 -08:00
kernel Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux 2015-02-21 11:18:26 -08:00
kvm KVM: s390/cpacf: Fix kernel bug under z/VM 2015-03-04 10:29:55 +01:00
lib s390/spinlock: add compare-and-delay to lock wait loops 2015-01-23 15:17:04 +01:00
math-emu s390: fix save and restore of the floating-point-control register 2013-10-24 17:17:11 +02:00
mm s390/mm: align 64-bit PIE binaries to 4GB 2015-02-19 10:36:32 +01:00
net s390/bpf: Zero extend parameters before calling C function 2015-01-15 11:10:41 +01:00
oprofile s390: Replace __get_cpu_var uses 2014-08-26 13:45:52 -04:00
pci OK, this has the big virtio 1.0 implementation, as specified by OASIS. 2015-02-18 09:24:01 -08:00
defconfig s390: update default configuration 2015-01-22 12:16:09 +01:00
Kbuild
Kconfig s390/smp: increase maximum value of NR_CPUS to 512 2015-01-30 09:31:13 +01:00
Kconfig.debug Kconfig: consolidate CONFIG_DEBUG_STRICT_USER_COPY_CHECKS 2013-04-30 17:04:09 -07:00
Makefile s390/ftrace: hotpatch support for function tracing 2015-01-29 09:19:25 +01:00