Re: [GIT PULL 3/3] KVM: s390: use simple switch statement as multiplexer

> Am 29.10.2015 um 16:08 schrieb Christian Borntraeger : > > We currently do some magic shifting (by exploiting that exit codes > are always a multiple of 4) and a table lookup to jump into the > exit handlers. This causes some calculations and checks, just to > do an

Re: [PATCH] powerpc/e500: move qemu machine spec together with the rest

> Am 14.09.2015 um 15:17 schrieb Laurentiu Tudor : > >> On 09/10/2015 02:01 AM, Scott Wood wrote: >>> On Fri, 2015-09-04 at 15:46 +0300, Laurentiu Tudor wrote: >>> This way we get rid of an entire file with mostly >>> duplicated code plus a Kconfig option that you always

Re: [PATCH 3/3] KVM: PPC: Book3S HV: Implement H_CLEAR_REF and H_CLEAR_MOD

> Am 12.09.2015 um 18:47 schrieb Nathan Whitehorn : > >> On 09/06/15 16:52, Paul Mackerras wrote: >>> On Sun, Sep 06, 2015 at 12:47:12PM -0700, Nathan Whitehorn wrote: >>> Anything I can do to help move these along? It's a big performance >>> improvement for FreeBSD

Re: [PATCH 3/3] KVM: PPC: Book3S HV: Implement H_CLEAR_REF and H_CLEAR_MOD

> Am 12.09.2015 um 18:47 schrieb Nathan Whitehorn : > >> On 09/06/15 16:52, Paul Mackerras wrote: >>> On Sun, Sep 06, 2015 at 12:47:12PM -0700, Nathan Whitehorn wrote: >>> Anything I can do to help move these along? It's a big performance >>> improvement for FreeBSD

Re: [Qemu-ppc] KVM memory slots limit on powerpc

On 04.09.15 11:59, Christian Borntraeger wrote: > Am 04.09.2015 um 11:35 schrieb Thomas Huth: >> >> Hi all, >> >> now that we get memory hotplugging for the spapr machine on qemu-ppc, >> too, it seems like we easily can hit the amount of KVM-internal memory >> slots now ("#define

Re: [PATCH] KVM: ppc: Fix size of the PSPB register

> Am 02.09.2015 um 09:26 schrieb Thomas Huth : > >> On 02/09/15 00:55, Benjamin Herrenschmidt wrote: >>> On Wed, 2015-09-02 at 08:45 +1000, Paul Mackerras wrote: >>> On Wed, Sep 02, 2015 at 08:25:05AM +1000, Benjamin Herrenschmidt >>> wrote: On Tue, 2015-09-01 at 23:41

Re: [PATCH] KVM: ppc: Fix size of the PSPB register

> Am 02.09.2015 um 09:26 schrieb Thomas Huth : > >> On 02/09/15 00:55, Benjamin Herrenschmidt wrote: >>> On Wed, 2015-09-02 at 08:45 +1000, Paul Mackerras wrote: >>> On Wed, Sep 02, 2015 at 08:25:05AM +1000, Benjamin Herrenschmidt >>> wrote: On Tue, 2015-09-01 at 23:41

Re: Build regressions/improvements in v4.2-rc8

On 24.08.15 10:36, Geert Uytterhoeven wrote: On Mon, Aug 24, 2015 at 10:34 AM, Geert Uytterhoeven ge...@linux-m68k.org wrote: JFYI, when comparing v4.2-rc8[1] to v4.2-rc7[3], the summaries are: - build errors: +4/-7 4 regressions: + /home/kisskb/slave/src/include/linux/kvm_host.h:

Re: [PATCH] vfio: Enable VFIO device for powerpc

On 13.08.15 03:15, David Gibson wrote: ec53500f kvm: Add VFIO device added a special KVM pseudo-device which is used to handle any necessary interactions between KVM and VFIO. Currently that device is built on x86 and ARM, but not powerpc, although powerpc does support both KVM and VFIO.

Re: [PATCH] vfio: Enable VFIO device for powerpc

On 13.08.15 03:15, David Gibson wrote: ec53500f kvm: Add VFIO device added a special KVM pseudo-device which is used to handle any necessary interactions between KVM and VFIO. Currently that device is built on x86 and ARM, but not powerpc, although powerpc does support both KVM and VFIO.

Re: [PULL 00/12] ppc patch queue 2015-08-22

On 22.08.15 15:32, Paolo Bonzini wrote: On 22/08/2015 02:21, Alexander Graf wrote: Hi Paolo, This is my current patch queue for ppc. Please pull. Done, but this queue has not been in linux-next. Please push to kvm-ppc-next on your github Linux tree as well; please keep an eye

Re: [PULL 00/12] ppc patch queue 2015-08-22

On 22.08.15 15:32, Paolo Bonzini wrote: On 22/08/2015 02:21, Alexander Graf wrote: Hi Paolo, This is my current patch queue for ppc. Please pull. Done, but this queue has not been in linux-next. Please push to kvm-ppc-next on your github Linux tree as well; please keep an eye

[PULL 07/12] KVM: PPC: Book3S HV: Fix race in reading change bit when removing HPTE

. Fixes: 6f22bd3265fb Signed-off-by: Paul Mackerras pau...@samba.org Signed-off-by: Alexander Graf ag...@suse.de --- arch/powerpc/kvm/book3s_hv_rm_mmu.c | 18 -- 1 file changed, 12 insertions(+), 6 deletions(-) diff --git a/arch/powerpc/kvm/book3s_hv_rm_mmu.c b/arch/powerpc/kvm

[PULL 00/12] ppc patch queue 2015-08-22

Hi Paolo, This is my current patch queue for ppc. Please pull. Alex The following changes since commit 4d283ec908e617fa28bcb06bce310206f0655d67: x86/kvm: Rename VMX's segment access rights defines (2015-08-15 00:47:13 +0200) are available in the git repository at:

[PULL 07/12] KVM: PPC: Book3S HV: Fix race in reading change bit when removing HPTE

. Fixes: 6f22bd3265fb Signed-off-by: Paul Mackerras pau...@samba.org Signed-off-by: Alexander Graf ag...@suse.de --- arch/powerpc/kvm/book3s_hv_rm_mmu.c | 18 -- 1 file changed, 12 insertions(+), 6 deletions(-) diff --git a/arch/powerpc/kvm/book3s_hv_rm_mmu.c b/arch/powerpc/kvm

[PULL 04/12] KVM: PPC: add missing pt_regs initialization

From: Tudor Laurentiu b10...@freescale.com On this switch branch the regs initialization doesn't happen so add it. This was found with the help of a static code analysis tool. Signed-off-by: Laurentiu Tudor laurentiu.tu...@freescale.com Signed-off-by: Alexander Graf ag...@suse.de --- arch

[PULL 00/12] ppc patch queue 2015-08-22

Hi Paolo, This is my current patch queue for ppc. Please pull. Alex The following changes since commit 4d283ec908e617fa28bcb06bce310206f0655d67: x86/kvm: Rename VMX's segment access rights defines (2015-08-15 00:47:13 +0200) are available in the git repository at:

[PULL 03/12] KVM: PPC: Fix warnings from sparse

, and by appending a ULL prefix to the constant PPC_MPPE_ADDRESS_MASK. Signed-off-by: Thomas Huth th...@redhat.com Signed-off-by: Alexander Graf ag...@suse.de --- arch/powerpc/include/asm/ppc-opcode.h| 2 +- arch/powerpc/kvm/book3s.c| 3 ++- arch/powerpc/kvm/book3s_32_mmu_host.c

[PULL 01/12] KVM: PPC: fix suspicious use of conditional operator

From: Tudor Laurentiu b10...@freescale.com This was signaled by a static code analysis tool. Signed-off-by: Laurentiu Tudor laurentiu.tu...@freescale.com Reviewed-by: Scott Wood scottw...@freescale.com Signed-off-by: Alexander Graf ag...@suse.de --- arch/powerpc/kvm/e500_mmu.c | 2 +- 1 file

[PULL 05/12] KVM: PPC: Book3S HV: Make use of unused threads when running guests

. Reviewed-by: David Gibson da...@gibson.dropbear.id.au Tested-by: Laurent Vivier lviv...@redhat.com Signed-off-by: Paul Mackerras pau...@samba.org Signed-off-by: Alexander Graf ag...@suse.de --- arch/powerpc/include/asm/kvm_host.h | 19 +- arch/powerpc/kernel/asm-offsets.c | 2 + arch

[PULL 01/12] KVM: PPC: fix suspicious use of conditional operator

From: Tudor Laurentiu b10...@freescale.com This was signaled by a static code analysis tool. Signed-off-by: Laurentiu Tudor laurentiu.tu...@freescale.com Reviewed-by: Scott Wood scottw...@freescale.com Signed-off-by: Alexander Graf ag...@suse.de --- arch/powerpc/kvm/e500_mmu.c | 2 +- 1 file

[PULL 05/12] KVM: PPC: Book3S HV: Make use of unused threads when running guests

. Reviewed-by: David Gibson da...@gibson.dropbear.id.au Tested-by: Laurent Vivier lviv...@redhat.com Signed-off-by: Paul Mackerras pau...@samba.org Signed-off-by: Alexander Graf ag...@suse.de --- arch/powerpc/include/asm/kvm_host.h | 19 +- arch/powerpc/kernel/asm-offsets.c | 2 + arch

[PULL 06/12] KVM: PPC: Book3S HV: Implement dynamic micro-threading on POWER8

that switches back to host context, since we haven't switched to the guest context. Signed-off-by: Paul Mackerras pau...@samba.org Signed-off-by: Alexander Graf ag...@suse.de --- arch/powerpc/include/asm/kvm_book3s_asm.h | 20 ++ arch/powerpc/include/asm/kvm_host.h | 3 + arch/powerpc

[PULL 02/12] KVM: PPC: Remove PPC970 from KVM_BOOK3S_64_HV text in Kconfig

From: Thomas Huth th...@redhat.com Since the PPC970 support has been removed from the kvm-hv kernel module recently, we should also reflect this change in the help text of the corresponding Kconfig option. Signed-off-by: Thomas Huth th...@redhat.com Signed-off-by: Alexander Graf ag...@suse.de

[PULL 08/12] KVM: PPC: Book3S HV: Fix bug in dirty page tracking

or swap out large pages. Signed-off-by: Paul Mackerras pau...@samba.org Signed-off-by: Alexander Graf ag...@suse.de --- arch/powerpc/include/asm/kvm_book3s.h | 1 + arch/powerpc/include/asm/kvm_host.h | 2 ++ arch/powerpc/kvm/book3s_64_mmu_hv.c | 8 +++- arch/powerpc/kvm

[PULL 03/12] KVM: PPC: Fix warnings from sparse

, and by appending a ULL prefix to the constant PPC_MPPE_ADDRESS_MASK. Signed-off-by: Thomas Huth th...@redhat.com Signed-off-by: Alexander Graf ag...@suse.de --- arch/powerpc/include/asm/ppc-opcode.h| 2 +- arch/powerpc/kvm/book3s.c| 3 ++- arch/powerpc/kvm/book3s_32_mmu_host.c

[PULL 10/12] KVM: PPC: Book3S HV: Fix preempted vcore list locking

may not be the list for the current CPU since the runner task may have moved to another CPU. Signed-off-by: Paul Mackerras pau...@samba.org Signed-off-by: Alexander Graf ag...@suse.de --- arch/powerpc/kvm/book3s_hv.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/powerpc

[PULL 12/12] KVM: PPC: Book3S: correct width in XER handling

. Signed-off-by: Sam Bobroff sam.bobr...@au1.ibm.com Reviewed-by: Laurent Vivier lviv...@redhat.com Reviewed-by: Thomas Huth th...@redhat.com Tested-by: Thomas Huth th...@redhat.com Signed-off-by: Alexander Graf ag...@suse.de --- arch/powerpc/include/asm/kvm_book3s.h | 4 ++-- arch/powerpc

[PULL 09/12] KVM: PPC: Book3S HV: Implement H_CLEAR_REF and H_CLEAR_MOD

are not used by Linux guests. These implementations have been tested using a FreeBSD guest. Signed-off-by: Paul Mackerras pau...@samba.org Signed-off-by: Alexander Graf ag...@suse.de --- arch/powerpc/kvm/book3s_hv_rm_mmu.c | 126 ++-- arch/powerpc/kvm/book3s_hv_rmhandlers.S

[PULL 11/12] KVM: PPC: Book3S HV: Fix preempted vcore stolen time calculation

to kvmppc_core_start_stolen() in that case. Signed-off-by: Paul Mackerras pau...@samba.org Signed-off-by: Alexander Graf ag...@suse.de --- arch/powerpc/kvm/book3s_hv.c | 9 +++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c index 3d02276

[PULL 06/12] KVM: PPC: Book3S HV: Implement dynamic micro-threading on POWER8

that switches back to host context, since we haven't switched to the guest context. Signed-off-by: Paul Mackerras pau...@samba.org Signed-off-by: Alexander Graf ag...@suse.de --- arch/powerpc/include/asm/kvm_book3s_asm.h | 20 ++ arch/powerpc/include/asm/kvm_host.h | 3 + arch/powerpc

[PULL 04/12] KVM: PPC: add missing pt_regs initialization

From: Tudor Laurentiu b10...@freescale.com On this switch branch the regs initialization doesn't happen so add it. This was found with the help of a static code analysis tool. Signed-off-by: Laurentiu Tudor laurentiu.tu...@freescale.com Signed-off-by: Alexander Graf ag...@suse.de --- arch

[PULL 12/12] KVM: PPC: Book3S: correct width in XER handling

. Signed-off-by: Sam Bobroff sam.bobr...@au1.ibm.com Reviewed-by: Laurent Vivier lviv...@redhat.com Reviewed-by: Thomas Huth th...@redhat.com Tested-by: Thomas Huth th...@redhat.com Signed-off-by: Alexander Graf ag...@suse.de --- arch/powerpc/include/asm/kvm_book3s.h | 4 ++-- arch/powerpc

[PULL 09/12] KVM: PPC: Book3S HV: Implement H_CLEAR_REF and H_CLEAR_MOD

are not used by Linux guests. These implementations have been tested using a FreeBSD guest. Signed-off-by: Paul Mackerras pau...@samba.org Signed-off-by: Alexander Graf ag...@suse.de --- arch/powerpc/kvm/book3s_hv_rm_mmu.c | 126 ++-- arch/powerpc/kvm/book3s_hv_rmhandlers.S

[PULL 02/12] KVM: PPC: Remove PPC970 from KVM_BOOK3S_64_HV text in Kconfig

From: Thomas Huth th...@redhat.com Since the PPC970 support has been removed from the kvm-hv kernel module recently, we should also reflect this change in the help text of the corresponding Kconfig option. Signed-off-by: Thomas Huth th...@redhat.com Signed-off-by: Alexander Graf ag...@suse.de

[PULL 08/12] KVM: PPC: Book3S HV: Fix bug in dirty page tracking

or swap out large pages. Signed-off-by: Paul Mackerras pau...@samba.org Signed-off-by: Alexander Graf ag...@suse.de --- arch/powerpc/include/asm/kvm_book3s.h | 1 + arch/powerpc/include/asm/kvm_host.h | 2 ++ arch/powerpc/kvm/book3s_64_mmu_hv.c | 8 +++- arch/powerpc/kvm

[PULL 11/12] KVM: PPC: Book3S HV: Fix preempted vcore stolen time calculation

to kvmppc_core_start_stolen() in that case. Signed-off-by: Paul Mackerras pau...@samba.org Signed-off-by: Alexander Graf ag...@suse.de --- arch/powerpc/kvm/book3s_hv.c | 9 +++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c index 3d02276

[PULL 10/12] KVM: PPC: Book3S HV: Fix preempted vcore list locking

may not be the list for the current CPU since the runner task may have moved to another CPU. Signed-off-by: Paul Mackerras pau...@samba.org Signed-off-by: Alexander Graf ag...@suse.de --- arch/powerpc/kvm/book3s_hv.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/powerpc

Re: [PATCH v3 1/1] KVM: PPC: Book3S: correct width in XER handling

On 06.08.15 12:16, Laurent Vivier wrote: Hi, I'd also like to see this patch in the mainstream as it fixes a bug appearing when we switch from vCPU context to hypervisor context (guest crash). Thanks, applied to kvm-ppc-queue. Alex -- To unsubscribe from this list: send the line

Re: [PATCH] kvm:powerpc:Fix incorrect return statement in the function mpic_set_default_irq_routing

On 07.08.15 17:54, Nicholas Krause wrote: This fixes the incorrect return statement in the function mpic_set_default_irq_routing from always returning zero to signal success to this function's caller to instead return the return value of kvm_set_irq_routing as this function can fail and we

Re: [PATCH] kvm:powerpc:Fix incorrect return statement in the function mpic_set_default_irq_routing

On 07.08.15 17:54, Nicholas Krause wrote: This fixes the incorrect return statement in the function mpic_set_default_irq_routing from always returning zero to signal success to this function's caller to instead return the return value of kvm_set_irq_routing as this function can fail and we

Re: [PATCH] kvm:powerpc:Fix return statements for wrapper functions in the file book3s_64_mmu_hv.c

On 10.08.15 17:27, Nicholas Krause wrote: This fixes the wrapper functions kvm_umap_hva_hv and the function kvm_unmap_hav_range_hv to return the return value of the function kvm_handle_hva or kvm_handle_hva_range that they are wrapped to call internally rather then always making the caller

Re: [PATCH] kvm:powerpc:Fix return statements for wrapper functions in the file book3s_64_mmu_hv.c

On 10.08.15 17:27, Nicholas Krause wrote: This fixes the wrapper functions kvm_umap_hva_hv and the function kvm_unmap_hav_range_hv to return the return value of the function kvm_handle_hva or kvm_handle_hva_range that they are wrapped to call internally rather then always making the caller

Re: [PATCH] kvm:powerpc:Fix incorrect return statement in the function mpic_set_default_irq_routing

On 12.08.15 21:06, nick wrote: On 2015-08-12 03:05 PM, Alexander Graf wrote: On 07.08.15 17:54, Nicholas Krause wrote: This fixes the incorrect return statement in the function mpic_set_default_irq_routing from always returning zero to signal success to this function's caller

Re: [PATCH] kvm:powerpc:Fix incorrect return statement in the function mpic_set_default_irq_routing

On 12.08.15 21:06, nick wrote: On 2015-08-12 03:05 PM, Alexander Graf wrote: On 07.08.15 17:54, Nicholas Krause wrote: This fixes the incorrect return statement in the function mpic_set_default_irq_routing from always returning zero to signal success to this function's caller

Re: [kvm-unit-tests PATCH 11/14] powerpc/ppc64: add rtas_power_off

On 03.08.15 19:02, Andrew Jones wrote: On Mon, Aug 03, 2015 at 07:08:17PM +0200, Paolo Bonzini wrote: On 03/08/2015 16:41, Andrew Jones wrote: Add enough RTAS support to support power-off, and apply it to exit(). Signed-off-by: Andrew Jones drjo...@redhat.com Why not use virtio-mmio +

Re: [kvm-unit-tests PATCH 11/14] powerpc/ppc64: add rtas_power_off

On 03.08.15 19:02, Andrew Jones wrote: On Mon, Aug 03, 2015 at 07:08:17PM +0200, Paolo Bonzini wrote: On 03/08/2015 16:41, Andrew Jones wrote: Add enough RTAS support to support power-off, and apply it to exit(). Signed-off-by: Andrew Jones drjo...@redhat.com Why not use virtio-mmio +

Re: [PATCH 0/2] Two fixes for dynamic micro-threading

On 20.07.15 08:49, David Gibson wrote: On Thu, Jul 16, 2015 at 05:11:12PM +1000, Paul Mackerras wrote: This series contains two fixes for the new dynamic micro-threading code that was added recently for HV-mode KVM on Power servers. The patches are against Alex Graf's kvm-ppc-queue branch.

Re: [PATCH 0/2] Two fixes for dynamic micro-threading

On 20.07.15 08:49, David Gibson wrote: On Thu, Jul 16, 2015 at 05:11:12PM +1000, Paul Mackerras wrote: This series contains two fixes for the new dynamic micro-threading code that was added recently for HV-mode KVM on Power servers. The patches are against Alex Graf's kvm-ppc-queue branch.

Re: [PATCH 0/5] PPC: Current patch queue for HV KVM

On 24.06.15 13:18, Paul Mackerras wrote: This is my current queue of patches for HV KVM. This series is based on the kvm next branch. They have all been posted 6 weeks ago or more, though I have just added a 3-line fix to patch 2/5 to fix a bug that we found in testing migration, and I

Re: [PATCH 0/5] PPC: Current patch queue for HV KVM

On 24.06.15 13:18, Paul Mackerras wrote: This is my current queue of patches for HV KVM. This series is based on the kvm next branch. They have all been posted 6 weeks ago or more, though I have just added a 3-line fix to patch 2/5 to fix a bug that we found in testing migration, and I

Re: [PATCH 2/5] KVM: PPC: Book3S HV: Implement dynamic micro-threading on POWER8

On 06/24/15 13:18, Paul Mackerras wrote: This builds on the ability to run more than one vcore on a physical core by using the micro-threading (split-core) modes of the POWER8 chip. Previously, only vcores from the same VM could be run together, and (on POWER8) only if they had just one thread

Re: [PATCH 1/3] powerpc: implement barrier primitives

On 17.06.15 12:15, Will Deacon wrote: On Wed, Jun 17, 2015 at 10:43:48AM +0100, Andre Przywara wrote: Instead of referring to the Linux header including the barrier macros, copy over the rather simple implementation for the PowerPC barrier instructions kvmtool uses. This fixes build for

Re: [PATCH] treewide: Fix typo compatability - compatibility

+- arch/powerpc/kvm/book3s.c| 2 +- Acked-by: Alexander Graf ag...@suse.de for the PPC KVM bit. Alex -- To unsubscribe from this list: send the line unsubscribe kvm-ppc in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo

Re: [PATCH v2 1/1] KVM: PPC: Book3S: correct width in XER handling

On 26.05.15 02:27, Sam Bobroff wrote: In 64 bit kernels, the Fixed Point Exception Register (XER) is a 64 bit field (e.g. in kvm_regs and kvm_vcpu_arch) and in most places it is accessed as such. This patch corrects places where it is accessed as a 32 bit field by a 64 bit kernel. In

Re: [PATCH] KVM: PPC: fix suspicious use of conditional operator

On 25.05.15 10:48, Laurentiu Tudor wrote: This was signaled by a static code analysis tool. Signed-off-by: Laurentiu Tudor laurentiu.tu...@freescale.com Reviewed-by: Scott Wood scottw...@freescale.com Thanks, applied to kvm-ppc-queue. Alex -- To unsubscribe from this list: send the line

Re: [PATCH] KVM: PPC: fix suspicious use of conditional operator

On 25.05.15 10:48, Laurentiu Tudor wrote: This was signaled by a static code analysis tool. Signed-off-by: Laurentiu Tudor laurentiu.tu...@freescale.com Reviewed-by: Scott Wood scottw...@freescale.com Thanks, applied to kvm-ppc-queue. Alex -- To unsubscribe from this list: send the line

Re: [PATCH] KVM: PPC: Remove PPC970 from KVM_BOOK3S_64_HV text in Kconfig

On 22.05.15 11:41, Thomas Huth wrote: Since the PPC970 support has been removed from the kvm-hv kernel module recently, we should also reflect this change in the help text of the corresponding Kconfig option. Signed-off-by: Thomas Huth th...@redhat.com Thanks, applied to kvm-ppc-queue.

Re: [PATCH] KVM: PPC: Remove PPC970 from KVM_BOOK3S_64_HV text in Kconfig

On 22.05.15 11:41, Thomas Huth wrote: Since the PPC970 support has been removed from the kvm-hv kernel module recently, we should also reflect this change in the help text of the corresponding Kconfig option. Signed-off-by: Thomas Huth th...@redhat.com Thanks, applied to kvm-ppc-queue.

Re: [PATCH] KVM: PPC: Fix warnings from sparse

On 22.05.15 09:25, Thomas Huth wrote: When compiling the KVM code for POWER with make C=1, sparse complains about functions missing proper prototypes and a 64-bit constant missing the ULL prefix. Let's fix this by making the functions static or by including the proper header with the

Re: [PATCH] KVM: PPC: Remove PPC970 from KVM_BOOK3S_64_HV text in Kconfig

On 22.05.15 11:41, Thomas Huth wrote: Since the PPC970 support has been removed from the kvm-hv kernel module recently, we should also reflect this change in the help text of the corresponding Kconfig option. Signed-off-by: Thomas Huth th...@redhat.com Thanks, applied to kvm-ppc-queue.

Re: [PATCH] KVM: PPC: Fix warnings from sparse

On 22.05.15 09:25, Thomas Huth wrote: When compiling the KVM code for POWER with make C=1, sparse complains about functions missing proper prototypes and a 64-bit constant missing the ULL prefix. Let's fix this by making the functions static or by including the proper header with the

Re: [PATCH] KVM: PPC: Remove PPC970 from KVM_BOOK3S_64_HV text in Kconfig

On 22.05.15 11:41, Thomas Huth wrote: Since the PPC970 support has been removed from the kvm-hv kernel module recently, we should also reflect this change in the help text of the corresponding Kconfig option. Signed-off-by: Thomas Huth th...@redhat.com Thanks, applied to kvm-ppc-queue.

Re: [PATCH] KVM: PPC: check for lookup_linux_ptep() returning NULL

On 21.05.15 21:37, Scott Wood wrote: On Thu, 2015-05-21 at 16:26 +0300, Laurentiu Tudor wrote: If passed a larger page size lookup_linux_ptep() may fail, so add a check for that and bail out if that's the case. This was found with the help of a static code analysis tool. Signed-off-by:

Re: [PATCH] KVM: PPC: check for lookup_linux_ptep() returning NULL

On 21.05.15 21:37, Scott Wood wrote: On Thu, 2015-05-21 at 16:26 +0300, Laurentiu Tudor wrote: If passed a larger page size lookup_linux_ptep() may fail, so add a check for that and bail out if that's the case. This was found with the help of a static code analysis tool. Signed-off-by:

Re: [PATCH 1/1] KVM: PPC: Book3S: correct width in XER handling

On 26.05.15 02:14, Sam Bobroff wrote: On Mon, May 25, 2015 at 11:08:08PM +0200, Alexander Graf wrote: On 20.05.15 07:26, Sam Bobroff wrote: In 64 bit kernels, the Fixed Point Exception Register (XER) is a 64 bit field (e.g. in kvm_regs and kvm_vcpu_arch) and in most places it is accessed

Re: [PATCH] KVM: PPC: add missing pt_regs initialization

On 18.05.15 14:44, Laurentiu Tudor wrote: On this switch branch the regs initialization doesn't happen so add it. This was found with the help of a static code analysis tool. Signed-off-by: Laurentiu Tudor laurentiu.tu...@freescale.com Cc: Scott Wood scottw...@freescale.com Cc: Mihai

Re: [PATCH] KVM: PPC: add missing pt_regs initialization

On 18.05.15 14:44, Laurentiu Tudor wrote: On this switch branch the regs initialization doesn't happen so add it. This was found with the help of a static code analysis tool. Signed-off-by: Laurentiu Tudor laurentiu.tu...@freescale.com Cc: Scott Wood scottw...@freescale.com Cc: Mihai

Re: [PATCH] KVM: PPC: Book3S HV: Fix list traversal in error case

: 6000 6042 387e1b30 3883 38a1 38c0 480087d9 e8410018 ebde1c98 7fbdf040 3bdee368 419e0048 813e1b20 939e1b18 2f890001 409effcc ---[ end trace 8cdf50251cca6680 ]--- Fixes: 25fedfca94cf Signed-off-by: Paul Mackerras pau...@samba.org Reviewed-by: Alexander Graf ag...@suse.de

Re: [PATCH] KVM: s390: remove delayed reallocation of page tables for KVM

On 04/27/2015 03:57 PM, Martin Schwidefsky wrote: On Mon, 27 Apr 2015 15:48:42 +0200 Alexander Graf ag...@suse.de wrote: On 04/23/2015 02:13 PM, Martin Schwidefsky wrote: On Thu, 23 Apr 2015 14:01:23 +0200 Alexander Graf ag...@suse.de wrote: As far as alternative approaches go, I don't have

Re: [PATCH] KVM: s390: remove delayed reallocation of page tables for KVM

On 04/23/2015 02:13 PM, Martin Schwidefsky wrote: On Thu, 23 Apr 2015 14:01:23 +0200 Alexander Graf ag...@suse.de wrote: As far as alternative approaches go, I don't have a great idea otoh. We could have an elf flag indicating that this process needs 4k page tables to limit the impact

Re: [PATCH] KVM: s390: remove delayed reallocation of page tables for KVM

On 04/23/2015 02:08 PM, Christian Borntraeger wrote: Am 23.04.2015 um 14:01 schrieb Alexander Graf: Am 23.04.2015 um 13:43 schrieb Christian Borntraeger borntrae...@de.ibm.com: Am 23.04.2015 um 13:37 schrieb Alexander Graf: Am 23.04.2015 um 13:08 schrieb Christian Borntraeger borntrae

Re: [PATCH] KVM: s390: remove delayed reallocation of page tables for KVM

Am 23.04.2015 um 13:43 schrieb Christian Borntraeger borntrae...@de.ibm.com: Am 23.04.2015 um 13:37 schrieb Alexander Graf: Am 23.04.2015 um 13:08 schrieb Christian Borntraeger borntrae...@de.ibm.com: From: Martin Schwidefsky schwidef...@de.ibm.com Replacing a 2K page table

Re: [PATCH] KVM: s390: remove delayed reallocation of page tables for KVM

Am 23.04.2015 um 13:08 schrieb Christian Borntraeger borntrae...@de.ibm.com: From: Martin Schwidefsky schwidef...@de.ibm.com Replacing a 2K page table with a 4K page table while a VMA is active for the affected memory region is fundamentally broken. Rip out the page table reallocation

[PULL 02/21] kvmppc: Implement H_LOGICAL_CI_{LOAD,STORE} in KVM

implementation as before. Note that a userspace change is also required, in order to enable these new hcall implementations with KVM_CAP_PPC_ENABLE_HCALL. Signed-off-by: David Gibson da...@gibson.dropbear.id.au [agraf: fix compilation] Signed-off-by: Alexander Graf ag...@suse.de --- arch/powerpc

[PULL 11/21] KVM: PPC: Book3S HV: Accumulate timing information for real-mode code

Mackerras pau...@samba.org Signed-off-by: Alexander Graf ag...@suse.de --- arch/powerpc/include/asm/kvm_host.h | 21 + arch/powerpc/include/asm/time.h | 3 + arch/powerpc/kernel/asm-offsets.c | 13 +++ arch/powerpc/kernel/time.c | 6 ++ arch/powerpc/kvm/Kconfig

[PULL 21/21] KVM: PPC: Book3S HV: Use msgsnd for signalling threads on POWER8

with gcc 4.9.2 as packaged with Fedora 21 and a little-endian POWER8 host. Signed-off-by: Paul Mackerras pau...@samba.org Signed-off-by: Alexander Graf ag...@suse.de --- arch/powerpc/kernel/asm-offsets.c | 3 ++ arch/powerpc/kvm/book3s_hv.c| 51

[PULL 00/21] ppc patch queue 2015-04-21 for 4.1

Hi Paolo / Marcelo, This is my current patch queue for ppc. Please pull. Alex The following changes since commit b79013b2449c23f1f505bdf39c5a6c330338b244: Merge tag 'staging-4.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging (2015-04-13 17:37:33 -0700) are

[PULL 08/21] KVM: PPC: Book3S HV: Move virtual mode ICP functions to real-mode

...@linux.vnet.ibm.com Signed-off-by: Paul Mackerras pau...@samba.org Signed-off-by: Alexander Graf ag...@suse.de --- arch/powerpc/kvm/book3s_hv_rm_xics.c | 225 --- 1 file changed, 211 insertions(+), 14 deletions(-) diff --git a/arch/powerpc/kvm/book3s_hv_rm_xics.c b/arch

[PULL 05/21] KVM: PPC: Book3S HV: Add helpers for lock/unlock hpte

pau...@samba.org Signed-off-by: Alexander Graf ag...@suse.de --- arch/powerpc/include/asm/kvm_book3s_64.h | 14 ++ arch/powerpc/kvm/book3s_64_mmu_hv.c | 25 ++--- arch/powerpc/kvm/book3s_hv_rm_mmu.c | 25 + 3 files changed, 33

[PULL 10/21] KVM: PPC: Book3S HV: Create debugfs file for each guest's HPT

address. (The format of the second through fourth fields are described in the Power ISA and also in arch/powerpc/include/asm/mmu-hash64.h.) Signed-off-by: Paul Mackerras pau...@samba.org Signed-off-by: Alexander Graf ag...@suse.de --- arch/powerpc/include/asm/kvm_book3s_64.h | 2 + arch/powerpc

[PULL 05/21] KVM: PPC: Book3S HV: Add helpers for lock/unlock hpte

pau...@samba.org Signed-off-by: Alexander Graf ag...@suse.de --- arch/powerpc/include/asm/kvm_book3s_64.h | 14 ++ arch/powerpc/kvm/book3s_64_mmu_hv.c | 25 ++--- arch/powerpc/kvm/book3s_hv_rm_mmu.c | 25 + 3 files changed, 33

[PULL 20/21] KVM: PPC: Book3S HV: Translate kvmhv_commence_exit to C

as icp_rm_set_vcpu_irq(). Signed-off-by: Paul Mackerras pau...@samba.org Signed-off-by: Alexander Graf ag...@suse.de --- arch/powerpc/include/asm/kvm_book3s_64.h | 2 + arch/powerpc/kvm/book3s_hv_builtin.c | 63 ++ arch/powerpc/kvm/book3s_hv_rm_xics.c | 12

[PULL 16/21] KVM: PPC: Book3S HV: Don't wake thread with no vcpu on guest IPI

the guest, we still set PECEDP so that the thread will wake up on an IPI sent using msgsndp. Signed-off-by: Paul Mackerras pau...@samba.org Signed-off-by: Alexander Graf ag...@suse.de --- arch/powerpc/kvm/book3s_hv_rmhandlers.S | 10 +++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git

[PULL 18/21] KVM: PPC: Book3S HV: Use bitmap of active threads rather than count

to a spurious HDEC interrupt on the next guest entry. Signed-off-by: Paul Mackerras pau...@samba.org Signed-off-by: Alexander Graf ag...@suse.de --- arch/powerpc/include/asm/kvm_host.h | 15 arch/powerpc/kernel/asm-offsets.c | 2 +- arch/powerpc/kvm/book3s_hv.c| 5

[PULL 09/21] KVM: PPC: Book3S HV: Add ICP real mode counters

. Signed-off-by: Suresh Warrier warr...@linux.vnet.ibm.com Signed-off-by: Paul Mackerras pau...@samba.org Signed-off-by: Alexander Graf ag...@suse.de --- arch/powerpc/kvm/book3s_hv_rm_xics.c | 7 +++ arch/powerpc/kvm/book3s_xics.c | 10 -- arch/powerpc/kvm/book3s_xics.h | 5

[PULL 06/21] KVM: PPC: Book3S HV: Add guest-host real mode completion counters

/debug/kernel/powerpc/kvm* for each VM. Signed-off-by: Suresh Warrier warr...@linux.vnet.ibm.com Signed-off-by: Paul Mackerras pau...@samba.org Signed-off-by: Alexander Graf ag...@suse.de --- arch/powerpc/kvm/book3s_xics.c | 31 +++ arch/powerpc/kvm/book3s_xics.h | 6

[PULL 12/21] KVM: PPC: Book3S HV: Simplify handling of VCPUs that need a VPA update

kvmppc_run_core() and let the code in kvmppc_run_vcpu() wake up another VCPU task to be the runner if necessary. This all means that the VCORE_STARTING state is no longer used, so we remove it. Signed-off-by: Paul Mackerras pau...@samba.org Signed-off-by: Alexander Graf ag...@suse.de --- arch

[PULL 13/21] KVM: PPC: Book3S HV: Minor cleanups

r0 instead. * Streamline the code a little and remove the ext_interrupt_to_host label. * Add some comments about register usage. * hcall_try_real_mode doesn't need to be global, and can't be called from C code anyway. Signed-off-by: Paul Mackerras pau...@samba.org Signed-off-by: Alexander Graf

[PULL 03/21] KVM: PPC: Book3S HV: Add fast real-mode H_RANDOM implementation.

-by: Alexander Graf ag...@suse.de --- Documentation/virtual/kvm/api.txt | 17 + arch/powerpc/include/asm/archrandom.h | 11 ++- arch/powerpc/include/asm/kvm_ppc.h | 2 + arch/powerpc/kvm/book3s_hv_builtin.c| 15 + arch/powerpc/kvm/book3s_hv_rmhandlers.S | 115

[PULL 15/21] KVM: PPC: Book3S HV: Get rid of vcore nap_count and n_woken

...@samba.org Signed-off-by: Alexander Graf ag...@suse.de --- arch/powerpc/include/asm/kvm_host.h | 2 -- arch/powerpc/kernel/asm-offsets.c | 1 - arch/powerpc/kvm/book3s_hv.c| 47 +++-- arch/powerpc/kvm/book3s_hv_rmhandlers.S | 19 + 4

[PULL 00/21] ppc patch queue 2015-04-21 for 4.1

Hi Paolo / Marcelo, This is my current patch queue for ppc. Please pull. Alex The following changes since commit b79013b2449c23f1f505bdf39c5a6c330338b244: Merge tag 'staging-4.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging (2015-04-13 17:37:33 -0700) are

[PULL 16/21] KVM: PPC: Book3S HV: Don't wake thread with no vcpu on guest IPI

the guest, we still set PECEDP so that the thread will wake up on an IPI sent using msgsndp. Signed-off-by: Paul Mackerras pau...@samba.org Signed-off-by: Alexander Graf ag...@suse.de --- arch/powerpc/kvm/book3s_hv_rmhandlers.S | 10 +++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git

[PULL 02/21] kvmppc: Implement H_LOGICAL_CI_{LOAD,STORE} in KVM

implementation as before. Note that a userspace change is also required, in order to enable these new hcall implementations with KVM_CAP_PPC_ENABLE_HCALL. Signed-off-by: David Gibson da...@gibson.dropbear.id.au [agraf: fix compilation] Signed-off-by: Alexander Graf ag...@suse.de --- arch/powerpc

[PULL 14/21] KVM: PPC: Book3S HV: Move vcore preemption point up into kvmppc_run_vcpu

-by: Paul Mackerras pau...@samba.org Signed-off-by: Alexander Graf ag...@suse.de --- arch/powerpc/include/asm/kvm_host.h | 5 +- arch/powerpc/kvm/book3s_hv.c| 92 + 2 files changed, 55 insertions(+), 42 deletions(-) diff --git a/arch/powerpc/include/asm

[PULL 20/21] KVM: PPC: Book3S HV: Translate kvmhv_commence_exit to C

as icp_rm_set_vcpu_irq(). Signed-off-by: Paul Mackerras pau...@samba.org Signed-off-by: Alexander Graf ag...@suse.de --- arch/powerpc/include/asm/kvm_book3s_64.h | 2 + arch/powerpc/kvm/book3s_hv_builtin.c | 63 ++ arch/powerpc/kvm/book3s_hv_rm_xics.c | 12

[PULL 13/21] KVM: PPC: Book3S HV: Minor cleanups

r0 instead. * Streamline the code a little and remove the ext_interrupt_to_host label. * Add some comments about register usage. * hcall_try_real_mode doesn't need to be global, and can't be called from C code anyway. Signed-off-by: Paul Mackerras pau...@samba.org Signed-off-by: Alexander Graf

[PULL 19/21] KVM: PPC: Book3S HV: Streamline guest entry and exit

-off-by: Paul Mackerras pau...@samba.org Signed-off-by: Alexander Graf ag...@suse.de --- arch/powerpc/kvm/book3s_hv_rmhandlers.S | 212 +++- 1 file changed, 126 insertions(+), 86 deletions(-) diff --git a/arch/powerpc/kvm/book3s_hv_rmhandlers.S b/arch/powerpc/kvm

[PULL 15/21] KVM: PPC: Book3S HV: Get rid of vcore nap_count and n_woken

...@samba.org Signed-off-by: Alexander Graf ag...@suse.de --- arch/powerpc/include/asm/kvm_host.h | 2 -- arch/powerpc/kernel/asm-offsets.c | 1 - arch/powerpc/kvm/book3s_hv.c| 47 +++-- arch/powerpc/kvm/book3s_hv_rmhandlers.S | 19 + 4

[PULL 11/21] KVM: PPC: Book3S HV: Accumulate timing information for real-mode code

Mackerras pau...@samba.org Signed-off-by: Alexander Graf ag...@suse.de --- arch/powerpc/include/asm/kvm_host.h | 21 + arch/powerpc/include/asm/time.h | 3 + arch/powerpc/kernel/asm-offsets.c | 13 +++ arch/powerpc/kernel/time.c | 6 ++ arch/powerpc/kvm/Kconfig

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