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] 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: [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 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 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 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 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

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 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: [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 0/5] 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] 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: 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: 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

[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 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 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 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 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 07/21] KVM: PPC: Book3S HV: Convert ICS mutex lock to spin lock

in real mode). 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 | 68 +- arch/powerpc/kvm/book3s_xics.h | 2 +- 2 files changed

[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 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 17/21] KVM: PPC: Book3S HV: Use decrementer to wake napping threads

we need to save and restore the guest decrementer value around the nap. Signed-off-by: Paul Mackerras pau...@samba.org Signed-off-by: Alexander Graf ag...@suse.de --- arch/powerpc/kvm/book3s_hv_rmhandlers.S | 43 +++-- 1 file changed, 41 insertions(+), 2 deletions

[PULL 01/21] powerpc: Export __spin_yield

lockdep code (which may not be safe in real mode), this lock needs to be an arch_spinlock_t instead of a normal spinlock. Signed-off-by: Suresh Warrier warr...@linux.vnet.ibm.com Acked-by: Paul Mackerras pau...@samba.org Acked-by: Michael Ellerman m...@ellerman.id.au Signed-off-by: Alexander Graf ag

[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

Re: [PATCH v2 00/12] Remaining improvements for HV KVM

On 14.04.15 13:56, Paul Mackerras wrote: On Thu, Apr 09, 2015 at 12:57:58AM +0200, Alexander Graf wrote: On 03/28/2015 04:21 AM, Paul Mackerras wrote: This is the rest of my current patch queue for HV KVM on PPC. This series is based on Alex Graf's kvm-ppc-queue branch. The only change

Re: [PATCH v2 00/12] Remaining improvements for HV KVM

On 09.04.15 10:49, Paolo Bonzini wrote: On 09/04/2015 00:57, Alexander Graf wrote: The last patch in this series needs a definition of PPC_MSGCLR that is added by the patch powerpc/powernv: Fixes for hypervisor doorbell handling, which has now gone upstream into Linus' tree as commit

Re: [PATCH v2 00/12] Remaining improvements for HV KVM

On 03/28/2015 04:21 AM, Paul Mackerras wrote: This is the rest of my current patch queue for HV KVM on PPC. This series is based on Alex Graf's kvm-ppc-queue branch. The only change from the previous version of this series is that patch 2 has been updated to take account of the timebase

[PULL 3/3] KVM: PPC: Book3S HV: Fix instruction emulation

-by: Paul Mackerras pau...@samba.org Signed-off-by: Alexander Graf ag...@suse.de --- arch/powerpc/kvm/book3s_hv_rmhandlers.S | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/powerpc/kvm/book3s_hv_rmhandlers.S b/arch/powerpc/kvm/book3s_hv_rmhandlers.S index bb94e6f..6cbf163 100644 --- a/arch

[PULL 1/3] KVM: PPC: Book3S HV: Fix spinlock/mutex ordering issue in kvmppc_set_lpcr()

[c01a66c0fd90] [c026cfa4] .SyS_ioctl+0xc4/0xe0 [c01a66c0fe30] [c0009264] syscall_exit+0x0/0x98 This fixes it by moving the mutex_lock()/mutex_unlock() pair outside the spin-locked region. Signed-off-by: Paul Mackerras pau...@samba.org Signed-off-by: Alexander Graf ag

[PULL 2/3] KVM: PPC: Book3S HV: Endian fix for accessing VPA yield count

on spinlocks. Signed-off-by: Paul Mackerras pau...@samba.org Signed-off-by: Alexander Graf ag...@suse.de --- arch/powerpc/kvm/book3s_hv.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c index b273193..de74756 100644

Re: [kvm-ppc:kvm-ppc-queue 7/9] ERROR: .__spin_yield [arch/powerpc/kvm/kvm.ko] undefined!

On 23.03.15 04:03, Michael Ellerman wrote: On Mon, 2015-03-23 at 14:00 +1100, Paul Mackerras wrote: On Fri, Mar 20, 2015 at 08:07:53PM +0800, kbuild test robot wrote: tree: git://github.com/agraf/linux-2.6.git kvm-ppc-queue head: 9b1daf3cfba1801768aa41b1b6ad0b653844241f commit:

Re: [PATCH 07/23] KVM: PPC: Book3S: Allow reuse of vCPU object

On 23.03.15 08:50, Bharata B Rao wrote: On Sat, Mar 21, 2015 at 8:28 PM, Alexander Graf ag...@suse.de wrote: On 20.03.15 16:51, Bharata B Rao wrote: On Fri, Mar 20, 2015 at 12:34:18PM +0100, Alexander Graf wrote: On 20.03.15 12:26, Paul Mackerras wrote: On Fri, Mar 20, 2015 at 12:01

Re: [PATCH 00/23] Bug fixes and improvements for HV KVM

On 20.03.15 10:39, Paul Mackerras wrote: This is my current patch queue for HV KVM on PPC. This series is based on the queue branch of the KVM tree, i.e. roughly v4.0-rc3 plus a set of recent KVM changes which don't intersect with the changes in this series. On top of that, in my testing I

Re: [PATCH 07/23] KVM: PPC: Book3S: Allow reuse of vCPU object

On 20.03.15 10:39, Paul Mackerras wrote: From: Bharata B Rao bhar...@linux.vnet.ibm.com Since KVM isn't equipped to handle closure of vcpu fd from userspace(QEMU) correctly, certain work arounds have to be employed to allow reuse of vcpu array slot in KVM during cpu hot plug/unplug from

Re: [PATCH 13/23] KVM: PPC: Book3S HV: Accumulate timing information for real-mode code

On 20.03.15 10:39, Paul Mackerras wrote: This reads the timebase at various points in the real-mode guest entry/exit code and uses that to accumulate total, minimum and maximum time spent in those parts of the code. Currently these times are accumulated per vcpu in 5 parts of the code: *

Re: [PATCH 12/23] KVM: PPC: Book3S HV: Create debugfs file for each guest's HPT

On 20.03.15 10:39, Paul Mackerras wrote: This creates a debugfs directory for each HV guest (assuming debugfs is enabled in the kernel config), and within that directory, a file by which the contents of the guest's HPT (hashed page table) can be read. The directory is named vm, where

Re: [PATCH 20/23] KVM: PPC: Book3S HV: Use msgsnd for signalling threads on POWER8

On 20.03.15 10:39, Paul Mackerras wrote: This uses msgsnd where possible for signalling other threads within the same core on POWER8 systems, rather than IPIs through the XICS interrupt controller. This includes waking secondary threads to run the guest, the interrupts generated by the

Re: [PATCH 07/23] KVM: PPC: Book3S: Allow reuse of vCPU object

On 20.03.15 12:26, Paul Mackerras wrote: On Fri, Mar 20, 2015 at 12:01:32PM +0100, Alexander Graf wrote: On 20.03.15 10:39, Paul Mackerras wrote: From: Bharata B Rao bhar...@linux.vnet.ibm.com Since KVM isn't equipped to handle closure of vcpu fd from userspace(QEMU) correctly, certain

Re: [PATCH 13/23] KVM: PPC: Book3S HV: Accumulate timing information for real-mode code

On 20.03.15 12:25, Paul Mackerras wrote: On Fri, Mar 20, 2015 at 12:15:15PM +0100, Alexander Graf wrote: On 20.03.15 10:39, Paul Mackerras wrote: This reads the timebase at various points in the real-mode guest entry/exit code and uses that to accumulate total, minimum and maximum time

Re: [PATCH 00/23] Bug fixes and improvements for HV KVM

On 20.03.15 10:39, Paul Mackerras wrote: This is my current patch queue for HV KVM on PPC. This series is based on the queue branch of the KVM tree, i.e. roughly v4.0-rc3 plus a set of recent KVM changes which don't intersect with the changes in this series. On top of that, in my testing I

Re: [PATCHv3] kvmppc: Implement H_LOGICAL_CI_{LOAD,STORE} in KVM

On 16.03.15 21:41, David Gibson wrote: On Thu, Feb 05, 2015 at 01:57:11AM +0100, Alexander Graf wrote: On 05.02.15 01:53, David Gibson wrote: On POWER, storage caching is usually configured via the MMU - attributes such as cache-inhibited are stored in the TLB and the hashed page table

Re: H_CLEAR_REF and H_CLEAR_MOD

Am 18.02.2015 um 07:12 schrieb Nathan Whitehorn nwhiteh...@freebsd.org: It seems like KVM doesn't implement the H_CLEAR_REF and H_CLEAR_MOD hypervisor calls, which are absolutely critical for memory management in the FreeBSD kernel (and are marked mandatory in the PAPR manual). It seems

Re: [PATCHv3] kvmppc: Implement H_LOGICAL_CI_{LOAD,STORE} in KVM

On 05.02.15 01:53, David Gibson wrote: On POWER, storage caching is usually configured via the MMU - attributes such as cache-inhibited are stored in the TLB and the hashed page table. This makes correctly performing cache inhibited IO accesses awkward when the MMU is turned off (real

Re: [PATCHv2] kvmppc: Implement H_LOGICAL_CI_{LOAD,STORE} in KVM

On 03.02.15 06:44, David Gibson wrote: On POWER, storage caching is usually configured via the MMU - attributes such as cache-inhibited are stored in the TLB and the hashed page table. This makes correctly performing cache inhibited IO accesses awkward when the MMU is turned off (real

Re: [PATCH 0/8] current ACCESS_ONCE patch queue

/git/borntraeger/linux.git linux-next KVM PPC bits are: Acked-by: Alexander Graf ag...@suse.de 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-info.html

Re: [PATCH] arch: powerpc: kvm: book3s_paired_singles.c: Remove unused function

On 07.12.14 23:29, Rickard Strandqvist wrote: Remove the function inst_set_field() that is not used anywhere. This was partially found by using a static code analysis program called cppcheck. Signed-off-by: Rickard Strandqvist rickard_strandqv...@spectrumdigital.se Thanks, applied all

Re: [PATCH] KVM: PPC: Book3S HV: Simplify locking around stolen time calculations

On 04.12.14 06:43, Paul Mackerras wrote: Currently the calculations of stolen time for PPC Book3S HV guests uses fields in both the vcpu struct and the kvmppc_vcore struct. The fields in the kvmppc_vcore struct are protected by the vcpu-arch.tbacct_lock of the vcpu that has taken

Re: [PATCH] KVM: PPC: Book3S HV: Tracepoints for KVM HV guest interactions

On 04.12.14 01:48, Suresh E. Warrier wrote: This patch adds trace points in the guest entry and exit code and also for exceptions handled by the host in kernel mode - hypercalls and page faults. The new events are added to /sys/kernel/debug/tracing/events under a new subsystem called kvm_hv.

Re: [PATCH] powerpc: powernv: Return to cpu offline loop when finished in KVM guest

be appreciated. Acked-by: Alexander Graf ag...@suse.de 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-info.html

Re: [PATCH 0/5] Fixes and improvements for HV KVM on PPC

On 03.12.14 03:30, Paul Mackerras wrote: This series of patches is based on Alex Graf's kvm-ppc-queue branch and is intended for the 3.19 merge window. It starts by removing the code to support HV KVM on PPC970 processors. This code is hardly used now since there are not many HV-capable

Re: [PATCH 4/5] KVM: PPC: Book3S HV: Add fast real-mode H_RANDOM implementation.

On 03.12.14 03:30, Paul Mackerras wrote: From: Michael Ellerman mich...@ellerman.id.au Some PowerNV systems include a hardware random-number generator. This HWRNG is present on POWER7+ and POWER8 chips and is capable of generating one 64-bit random number every microsecond. The random

[PULL 01/18] KVM: PPC: BookE: Improve irq inject tracepoint

that is in sync with the respective define. That way it's a lot easier for readers to figure out what interrupt gets injected. Signed-off-by: Alexander Graf ag...@suse.de --- arch/powerpc/kvm/trace_booke.h | 47 -- 1 file changed, 45 insertions(+), 2 deletions(-) diff

[PULL 03/18] KVM: PPC: Book3S HV: Fix computation of tlbie operand

-by: Aneesh Kumar K.V aneesh.ku...@linux.vnet.ibm.com Signed-off-by: Alexander Graf ag...@suse.de --- arch/powerpc/include/asm/kvm_book3s_64.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/powerpc/include/asm/kvm_book3s_64.h b/arch/powerpc/include/asm/kvm_book3s_64.h

[PULL 06/18] KVM: PPC: Book3S HV: Fix inaccuracies in ICP emulation for H_IPI

...@samba.org Signed-off-by: Alexander Graf ag...@suse.de --- arch/powerpc/kvm/book3s_hv_rm_xics.c | 36 arch/powerpc/kvm/book3s_xics.c | 30 +++--- arch/powerpc/kvm/book3s_xics.h | 1 + 3 files changed, 52 insertions(+), 15 deletions

[PULL 07/18] KVM: PPC: Book3S HV: ptes are big endian

Signed-off-by: Cédric Le Goater c...@fr.ibm.com Signed-off-by: Alexander Graf ag...@suse.de --- arch/powerpc/kvm/book3s_64_mmu_hv.c | 8 +++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/arch/powerpc/kvm/book3s_64_mmu_hv.c b/arch/powerpc/kvm/book3s_64_mmu_hv.c index 41f96c5

[PULL 08/18] KVM: PPC: Book3S HV: Check wait conditions before sleeping in kvmppc_vcore_blocked

decrementer interrupt. The fix is to make one last check for pending exceptions and ceded state before calling schedule(). 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.c

[PULL 10/18] arch: powerpc: kvm: book3s.c: Remove some unused functions

Strandqvist rickard_strandqv...@spectrumdigital.se Signed-off-by: Alexander Graf ag...@suse.de --- arch/powerpc/kvm/book3s.c | 8 arch/powerpc/kvm/e500.c | 8 2 files changed, 16 deletions(-) diff --git a/arch/powerpc/kvm/book3s.c b/arch/powerpc/kvm/book3s.c index b32db4b

[PULL 18/18] KVM: PPC: Book3S: Enable in-kernel XICS emulation by default

From: Anton Blanchard an...@samba.org The in-kernel XICS emulation is faster than doing it all in QEMU and it has got a lot of testing, so enable it by default. Signed-off-by: Anton Blanchard an...@samba.org Signed-off-by: Paul Mackerras pau...@samba.org Signed-off-by: Alexander Graf ag

[PULL 12/18] arch: powerpc: kvm: book3s_paired_singles.c: Remove unused function

-off-by: Alexander Graf ag...@suse.de --- arch/powerpc/kvm/book3s_paired_singles.c | 8 1 file changed, 8 deletions(-) diff --git a/arch/powerpc/kvm/book3s_paired_singles.c b/arch/powerpc/kvm/book3s_paired_singles.c index bfb8035..bd6ab16 100644 --- a/arch/powerpc/kvm

[PULL 02/18] KVM: PPC: Book3S HV: Add missing HPTE unlock

it. This adds the missing unlock. Reported-by: Benjamin Herrenschmidt b...@kernel.crashing.org Signed-off-by: Aneesh Kumar K.V aneesh.ku...@linux.vnet.ibm.com Signed-off-by: Paul Mackerras pau...@samba.org Signed-off-by: Alexander Graf ag...@suse.de --- arch/powerpc/kvm/book3s_64_mmu_hv.c | 5 - 1 file

[PULL 04/18] KVM: PPC: Book3S HV: Fix an issue where guest is paused on receiving HMI

running 3 guest3 paused 4 guest4 running Signed-off-by: Mahesh Salgaonkar mah...@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.c | 2 ++ 1

[PULL 13/18] KVM: PPC: Book3S HV: Simplify locking around stolen time calculations

() and kvmppc_core_vcpu_put_hv() functions, which are called with the scheduler rq lock held, which is an irq-safe lock. Signed-off-by: Paul Mackerras pau...@samba.org Signed-off-by: Alexander Graf ag...@suse.de --- arch/powerpc/include/asm/kvm_host.h | 1 + arch/powerpc/kvm/book3s_hv.c| 60

[PULL 05/18] KVM: PPC: Book3S HV: Fix KSM memory corruption

of providing a writable HPTE for the page. This eliminates the occasional corruption of shared pages that was previously seen with KSM active. Signed-off-by: Paul Mackerras pau...@samba.org Signed-off-by: Alexander Graf ag...@suse.de --- arch/powerpc/kvm/book3s_hv_rm_mmu.c | 44

[PULL 17/18] KVM: PPC: Book3S HV: Improve H_CONFER implementation

the yield count passed to H_CONFER, the target VCPU has run since H_CONFER was called and may have already released the lock. This check is required by PAPR. Signed-off-by: Sam Bobroff sam.bobr...@au1.ibm.com Signed-off-by: Paul Mackerras pau...@samba.org Signed-off-by: Alexander Graf ag

[PULL 11/18] arch: powerpc: kvm: book3s_pr.c: Remove unused function

-by: Alexander Graf ag...@suse.de --- arch/powerpc/kvm/book3s_pr.c | 5 - 1 file changed, 5 deletions(-) diff --git a/arch/powerpc/kvm/book3s_pr.c b/arch/powerpc/kvm/book3s_pr.c index cf2eb16..f573839 100644 --- a/arch/powerpc/kvm/book3s_pr.c +++ b/arch/powerpc/kvm/book3s_pr.c @@ -644,11

[PULL 09/18] arch: powerpc: kvm: book3s_32_mmu.c: Remove unused function

-by: Alexander Graf ag...@suse.de --- arch/powerpc/kvm/book3s_32_mmu.c | 5 - 1 file changed, 5 deletions(-) diff --git a/arch/powerpc/kvm/book3s_32_mmu.c b/arch/powerpc/kvm/book3s_32_mmu.c index cd0b073..a2eb6d3 100644 --- a/arch/powerpc/kvm/book3s_32_mmu.c +++ b/arch/powerpc/kvm/book3s_32_mmu.c

[PULL 15/18] KVM: PPC: Book3S HV: Remove code for PPC970 processors

processors. The KVM_CAP_PPC_RMA capability now always returns 0. Signed-off-by: Paul Mackerras pau...@samba.org Signed-off-by: Alexander Graf ag...@suse.de --- arch/powerpc/include/asm/kvm_book3s.h| 2 - arch/powerpc/include/asm/kvm_book3s_64.h | 1 - arch/powerpc/include/asm/kvm_host.h

[PULL 16/18] KVM: PPC: Book3S HV: Fix endianness of instruction obtained from HEIR register

Mackerras pau...@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| 4 arch/powerpc/kvm/book3s_hv_rmhandlers.S | 4 ++-- 4 files changed, 9 insertions(+), 2

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