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author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-07-24 09:55:45 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-07-24 09:55:45 -0700 |
commit | 21c7075fa5a756f1c95f6b463ff42cd320cc0301 (patch) | |
tree | 69524dd01fbebe662abe3b7296664592d3ce562b /arch/s390/kvm/sigp.c | |
parent | Merge branch 'for-upstream' of git://openrisc.net/jonas/linux (diff) | |
parent | [S390] use siginfo for sigtrap signals (diff) | |
download | linux-dev-21c7075fa5a756f1c95f6b463ff42cd320cc0301.tar.xz linux-dev-21c7075fa5a756f1c95f6b463ff42cd320cc0301.zip |
Merge branch 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6
* 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6: (21 commits)
[S390] use siginfo for sigtrap signals
[S390] dasd: add enhanced DASD statistics interface
[S390] kvm: make sigp emerg smp capable
[S390] disable cpu measurement alerts on a dying cpu
[S390] initial cr0 bits
[S390] iucv cr0 enablement bit
[S390] race safe external interrupt registration
[S390] remove tape block docu
[S390] ap: toleration support for ap device type 10
[S390] cleanup program check handler prototypes
[S390] remove kvm mmu reload on s390
[S390] Use gmap translation for accessing guest memory
[S390] use gmap address spaces for kvm guest images
[S390] kvm guest address space mapping
[S390] fix s390 assembler code alignments
[S390] move sie code to entry.S
[S390] kvm: handle tprot intercepts
[S390] qdio: clear shared DSCI before scheduling the queue handler
[S390] reference bit testing for unmapped pages
[S390] irqs: Do not trace arch_local_{*,irq_*} functions
...
Diffstat (limited to 'arch/s390/kvm/sigp.c')
-rw-r--r-- | arch/s390/kvm/sigp.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/arch/s390/kvm/sigp.c b/arch/s390/kvm/sigp.c index 702276f5e2fa..d6a50c1fb2e6 100644 --- a/arch/s390/kvm/sigp.c +++ b/arch/s390/kvm/sigp.c @@ -189,10 +189,8 @@ static int __sigp_set_prefix(struct kvm_vcpu *vcpu, u16 cpu_addr, u32 address, /* make sure that the new value is valid memory */ address = address & 0x7fffe000u; - if ((copy_from_user(&tmp, (void __user *) - (address + vcpu->arch.sie_block->gmsor) , 1)) || - (copy_from_user(&tmp, (void __user *)(address + - vcpu->arch.sie_block->gmsor + PAGE_SIZE), 1))) { + if (copy_from_guest_absolute(vcpu, &tmp, address, 1) || + copy_from_guest_absolute(vcpu, &tmp, address + PAGE_SIZE, 1)) { *reg |= SIGP_STAT_INVALID_PARAMETER; return 1; /* invalid parameter */ } |