The pull request you sent on Sun, 04 Jun 2023 10:33:12 +1000:
> https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git
> tags/powerpc-6.4-4
has been merged into torvalds/linux.git:
https://git.kernel.org/torvalds/c/9455b4b6db1e9b11d242595cc968332ecdd3cc91
Thank you!
--
Deet-doot-do
successfully.
More configs may be tested in the coming days.
tested configs:
alpharandconfig-r035-20230604 gcc
arc allyesconfig gcc
arcnsim_700_defconfig gcc
arc randconfig-r006-20230604 gcc
arc
been built successfully.
More configs may be tested in the coming days.
tested configs:
alphaallyesconfig gcc
alpha defconfig gcc
alpharandconfig-r003-20230604 gcc
alpharandconfig-r021-20230604 g
On Fri, Jun 02, 2023 at 11:20:58AM -0700, Song Liu wrote:
> IIUC, arm64 uses VMALLOC address space for BPF programs. The reason
> is each BPF program uses at least 64kB (one page) out of the 128MB
> address space. Puranjay Mohan (CC'ed) is working on enabling
> bpf_prog_pack for arm64. Once this wo
On Sun, Jun 4, 2023 at 11:02 AM Kent Overstreet
wrote:
>
> On Fri, Jun 02, 2023 at 11:20:58AM -0700, Song Liu wrote:
> > IIUC, arm64 uses VMALLOC address space for BPF programs. The reason
> > is each BPF program uses at least 64kB (one page) out of the 128MB
> > address space. Puranjay Mohan (CC'
On Thu, Jun 01, 2023 at 08:50:39PM +, Edgecombe, Rick P wrote:
> > Ahh! Thanks for that; perhaps the comment in text_poke() about IPIs
> > could be a bit clearer.
> >
> > What is it (if anything) you don't like about text_poke() then? It
> > looks
> > like it's doing broadly similar things to
On Sun, Jun 04, 2023 at 02:22:30PM -0700, Song Liu wrote:
> On Sun, Jun 4, 2023 at 11:02 AM Kent Overstreet
> wrote:
> >
> > On Fri, Jun 02, 2023 at 11:20:58AM -0700, Song Liu wrote:
> > > IIUC, arm64 uses VMALLOC address space for BPF programs. The reason
> > > is each BPF program uses at least 6
On 6/3/23 20:57, Timothy Pearson wrote:
>
>
> - Original Message -
>> From: "Michael Ellerman"
>> To: "Randy Dunlap" , "Stephen Rothwell"
>> , "Linux Next Mailing List"
>>
>> Cc: "linux-kernel" , "linuxppc-dev"
>> , "Alexey
>> Kardashevskiy" , "Timothy Pearson"
>>
>> Sent: Saturd
On Thu, 1 Jun 2023 16:54:36 -0700
Nadav Amit wrote:
> > The way text_poke() is used here, it is creating a new writable alias
> > and flushing it for *each* write to the module (like for each write of
> > an individual relocation, etc). I was just thinking it might warrant
> > some batching or so
On Sun, Jun 4, 2023 at 2:40 PM Kent Overstreet
wrote:
>
> On Sun, Jun 04, 2023 at 02:22:30PM -0700, Song Liu wrote:
> > On Sun, Jun 4, 2023 at 11:02 AM Kent Overstreet
> > wrote:
> > >
> > > On Fri, Jun 02, 2023 at 11:20:58AM -0700, Song Liu wrote:
> > > > IIUC, arm64 uses VMALLOC address space f
Add wrappers for vr registers to prepare for supporting PAPR nested
guests.
Signed-off-by: Jordan Niethe
---
arch/powerpc/include/asm/kvm_book3s.h | 20 +++
arch/powerpc/kvm/powerpc.c| 50 +--
2 files changed, 45 insertions(+), 25 deletions(-)
diff --
The new PAPR nested guest API introduces the concept of a Guest State
Buffer for communication about L2 guests between L1 and L0 hosts.
In the new API, the L0 manages the L2 on behalf of the L1. This means
that if the L1 needs to change L2 state (e.g. GPRs, SPRs, partition
table...), it must reque
There is existing support for nested guests on powernv hosts however the
hcall interface this uses is not support by other PAPR hosts. A set of
new hcalls will be added to PAPR to facilitate creating and managing
guests by a regular partition in the following way:
- L1 and L0 negotiate capabilit
Add wrappers for fpr registers to prepare for supporting PAPR nested
guests.
Signed-off-by: Jordan Niethe
---
arch/powerpc/include/asm/kvm_book3s.h | 31 +++
arch/powerpc/include/asm/kvm_booke.h | 10 +
arch/powerpc/kvm/book3s.c | 16 +++---
a
There are already some getter and setter functions used for accessing
vcpu register state, e.g. kvmppc_get_pc(). There are also more
complicated examples that are generated by macros like
kvmppc_get_sprg0() which are generated by the SHARED_SPRNG_WRAPPER()
macro.
In the new PAPR API for nested gue
From: Michael Neuling
Document support for nested KVM on POWER using the existing API as well
as the new PAPR API. This includes the new HCALL interface and how it
used by KVM.
Signed-off-by: Michael Neuling
Signed-off-by: Jordan Niethe
---
v2:
- Separated into individual patch
---
Document
A series of hcalls have been added to the PAPR which allow a regular
guest partition to create and manage guest partitions of its own. Add
support to KVM to utilize these hcalls to enable running nested guests.
Overview of the new hcall usage:
- L1 and L0 negotiate capabilities with
H_GUEST_{G,
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