On Tue, Mar 31, 2015 at 03:01:58PM +0200, Christian Borntraeger wrote:
From: Jens Freimann jf...@linux.vnet.ibm.com
This fixes a bug introduced with commit c05c4186bbe4 (KVM: s390:
add floating irq controller).
get_all_floating_irqs() does copy_to_user() while holding
a spin lock. Let's
On Thu, Jan 15, 2015 at 02:43:27PM +0100, Christian Borntraeger wrote:
From: David Hildenbrand d...@linux.vnet.ibm.com
We need a way to clear the async pfault queue from user space (e.g.
for resets and SIGP SET ARCHITECTURE).
This patch simply clears the queue as soon as user space sets
On Fri, Nov 28, 2014 at 02:25:38PM +0100, Christian Borntraeger wrote:
+static int __must_check __deliver_mchk_floating(struct kvm_vcpu *vcpu,
+struct kvm_s390_interrupt_info *inti)
+{
+ struct kvm_s390_mchk_info *mchk = inti-mchk;
+ int rc;
+
On Wed, Oct 01, 2014 at 08:27:38PM +0200, Christian Borntraeger wrote:
On 10/01/2014 04:17 PM, Alexander Graf wrote:
On 01.10.14 16:02, Christian Borntraeger wrote:
There is nothing to do for KVM to support TOD-CLOCK steering.
Signed-off-by: Christian Borntraeger
On Thu, Sep 04, 2014 at 12:52:26PM +0200, frank.blasc...@de.ibm.com wrote:
+void kvm_s390_gisa_register_alert(struct kvm *kvm, u32 gisc)
+{
+ int bito = BITS_PER_BYTE * 7 + gisc;
+
+ set_bit(bito ^ (BITS_PER_LONG - 1), kvm-arch.iam);
+}
Just a very minor nit: you could also use
On Tue, Apr 29, 2014 at 03:36:43PM +0200, Christian Borntraeger wrote:
+static int handle_mvpg_pei(struct kvm_vcpu *vcpu)
+{
+ unsigned long hostaddr, srcaddr, dstaddr;
+ psw_t *psw = vcpu-arch.sie_block-gpsw;
+ struct mm_struct *mm = current-mm;
+ int reg1, reg2, rc;
+
+
On Mon, Mar 17, 2014 at 07:11:37PM +0100, Cornelia Huck wrote:
Add a new interface to register/deregister sources of adapter interrupts
identified by an unique id via the flic. Adapters may also be maskable
and carry a list of pinned pages.
These adapters will be used by irq routing later.
On Wed, Sep 04, 2013 at 06:08:08PM -0700, Linus Torvalds wrote:
On Tue, Sep 3, 2013 at 5:10 AM, Gleb Natapov g...@redhat.com wrote:
This pull request adds tlb_gather_mmu() caller in S390 code, but 2b047252
in your tree added another parameter to the function, so the patch bellow
have to
On Wed, Jul 31, 2013 at 11:08:15AM +0200, Cornelia Huck wrote:
On Mon, 29 Jul 2013 15:59:53 +0200
Jens Freimann jf...@linux.vnet.ibm.com wrote:
This patch adds a floating irq controller as a kvm_device.
It will be necesary for migration of floating interrupts as well
as for hardening the
On Fri, Jul 26, 2013 at 06:47:59PM +0200, Jens Freimann wrote:
This patch adds a floating irq controller as a kvm_device.
It will be necesary for migration of floating interrupts as well
as for hardening the reset code by allowing user space to explicitly
remove all pending floating
that with a patch when trying to clean up the guest access
functions. Maybe the patch below should be merged anyway. Christian?
===
From db05454b6f3f49a7a10f5a1e546917303cf94532 Mon Sep 17 00:00:00 2001
From: Heiko Carstens heiko.carst...@de.ibm.com
Date: Mon, 10 Sep 2012 16:36:23
On Wed, Dec 19, 2012 at 11:20:18AM +0100, Christian Borntraeger wrote:
On 19/12/12 10:44, Heiko Carstens wrote:
On Fri, Dec 07, 2012 at 01:30:22PM +0100, Cornelia Huck wrote:
+ rc = put_guest_u64(vcpu, __LC_MCCK_CODE, inti-mchk.mcic);
+ if (rc == -EFAULT
On Tue, Sep 04, 2012 at 05:13:25PM +0200, Cornelia Huck wrote:
Just some quick comments:
[...]
int kvm_s390_inject_program_int(struct kvm_vcpu *vcpu, u16 code)
{
struct kvm_s390_local_interrupt *li = vcpu-arch.local_int;
@@ -648,6 +747,12 @@ int kvm_s390_inject_vm(struct kvm *kvm,
On Thu, Aug 09, 2012 at 12:41:57PM +0200, Cornelia Huck wrote:
On Thu, 09 Aug 2012 13:03:57 +0300
Avi Kivity a...@redhat.com wrote:
On 08/07/2012 05:52 PM, Cornelia Huck wrote:
Running under a kvm host does not necessarily imply the presence of
a page mapped above the main memory with
On Tue, Jan 03, 2012 at 04:50:58PM +0100, Christian Borntraeger wrote:
struct kvm_sync_rw_regs {
+ __u64 gprs[16];/* general purpose registers */
+ s390_fp_regs fpregs;
+ unsigned int acrs[16];
So, if I got this right, userspace is allowed to map this shared
On Thu, Dec 22, 2011 at 12:56:49PM +0100, Christian Borntraeger wrote:
From: Christian Borntraeger borntrae...@de.ibm.com
The general purpose registers are often necessary to handle SIE exits.
Avoid additional ioctls by providing the guest registers in the r/w
section of the kvm_run
On Thu, Dec 15, 2011 at 11:28:03AM +0100, Carsten Otte wrote:
New version below. Changes:
- __pmdp_for_addr and ptep_for_addr now take a vma as argument
- check if a vma exists has moved to gmap_fault and kvm_s390_keyop
- kvm_s390_keyop verifies that a vma is writable so that it's safe to
On Thu, Dec 15, 2011 at 05:49:19PM +0100, Christian Borntraeger wrote:
On 15/12/11 17:11, Heiko Carstens wrote:
Why again is this needed? Or put in other words: what prevents a guest to
change the storage key contents via sske of a page that is mapped read-only
into the guest address space
On Sat, Dec 10, 2011 at 01:35:39PM +0100, Carsten Otte wrote:
This patch introduces an interface to access the guest visible
storage keys. It supports three operations that model the behavior
that SSKE/ISKE/RRBE instructions would have if they were issued by
the guest. These instructions are
On Fri, Dec 09, 2011 at 12:23:36PM +0100, Carsten Otte wrote:
This patch introduces an interface to access the guest visible
storage keys. It supports three operations that model the behavior
that SSKE/ISKE/RRBE instructions would have if they were issued by
the guest. These instructions are
On Fri, Dec 09, 2011 at 01:49:35PM +0100, Carsten Otte wrote:
This patch introduces an interface to access the guest visible
storage keys. It supports three operations that model the behavior
that SSKE/ISKE/RRBE instructions would have if they were issued by
the guest. These instructions are
From: Heiko Carstens heiko.carst...@de.ibm.com
fa3d315a KVM: Validate userspace_addr of memslot when registered introduced
this new warning onn s390:
kvm_main.c: In function '__kvm_set_memory_region':
kvm_main.c:654:7: warning: passing argument 1 of '__access_ok' makes pointer
from integer
From: Heiko Carstens heiko.carst...@de.ibm.com
Get rid of this warning:
CC arch/s390/kvm/../../../virt/kvm/kvm_main.o
arch/s390/kvm/../../../virt/kvm/kvm_main.c:596:12: warning:
'kvm_create_dirty_bitmap' defined but not used
The only caller of the function is within a !CONFIG_S390
On Tue, Aug 24, 2010 at 03:48:51PM +0200, Alexander Graf wrote:
+static void hotplug_devices(struct work_struct *dummy)
+{
+ unsigned int i;
+ struct kvm_device_desc *d;
+ struct device *dev;
+
+ for (i = 0; i PAGE_SIZE; i += desc_size(d)) {
This should be
for (i
On Wed, Aug 25, 2010 at 10:20:03AM +0200, Alexander Graf wrote:
On 25.08.2010, at 10:16, Heiko Carstens wrote:
On Tue, Aug 24, 2010 at 03:48:51PM +0200, Alexander Graf wrote:
+static void hotplug_devices(struct work_struct *dummy)
+{
+ unsigned int i;
+ struct kvm_device_desc *d
On Wed, Aug 25, 2010 at 10:34:29AM +0200, Alexander Graf wrote:
On 25.08.2010, at 10:35, Heiko Carstens wrote:
On Wed, Aug 25, 2010 at 10:20:03AM +0200, Alexander Graf wrote:
On 25.08.2010, at 10:16, Heiko Carstens wrote:
On Tue, Aug 24, 2010 at 03:48:51PM +0200, Alexander Graf wrote
- if (code 3 || code 0x48)
+ if (code 3 || (code 2) = ARRAY_SIZE(intercept_funcs))
return -ENOTSUPP;
Not that it matters for this patch, but -ENOTSUPP should not leak to
userspace. Not sure if it does somewhere, but it is used all over the
place within
From: Heiko Carstens heiko.carst...@de.ibm.com
arch/s390/kvm/../../../virt/kvm/kvm_main.c: In function 'kvm_create_vm':
arch/s390/kvm/../../../virt/kvm/kvm_main.c:409: warning: label 'out_err'
defined but not used
Signed-off-by: Heiko Carstens heiko.carst...@de.ibm.com
---
Adds even more
From: Heiko Carstens heiko.carst...@de.ibm.com
CC arch/s390/kvm/../../../virt/kvm/kvm_main.o
arch/s390/kvm/../../../virt/kvm/kvm_main.c: In function
'__kvm_set_memory_region':
arch/s390/kvm/../../../virt/kvm/kvm_main.c:485: warning: unused variable 'j'
arch/s390/kvm/../../../virt/kvm
On Tue, 10 Feb 2009 11:20:23 -0200
Glauber Costa glom...@redhat.com wrote:
Anyway, just wanted to make you aware of what might come next.
Why wouldn't it be extensible? So far, I've only added an attribute. But we
can easily add others, and directories with even more attributes if we must.
On Fri, 6 Feb 2009 10:46:57 -0500
Glauber Costa glom...@redhat.com wrote:
It is useful to easily grab information about whether or not
we're running on top of a hypervisor. And in case affirmative,
which one.
This patch shows it in /sys/hypervisor (and as a site effect, allow
it to be
On Thu, 22 Jan 2009 10:27:38 +0100
Christian Borntraeger borntrae...@de.ibm.com wrote:
KVM on s390 does not support the ESA/390 architecture. We refuse to
change the architecture mode and print a warning. While testing a
crashme for kvm, I spotted two problems with the printk:
o A
On Thu, 22 Jan 2009 12:26:11 +0100
Carsten Otte co...@de.ibm.com wrote:
Am Thu, 22 Jan 2009 12:17:07 +0100
schrieb heica...@linux.vnet.ibm.com:
Why don't you just remove the printk? IMHO it's rather pointless.
It is'nt: It infoms the user why his guest is going to crash
even though it has
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