Excerpts from Fabiano Rosas's message of January 8, 2022 7:00 am:
> The MMIO interface between the kernel and userspace uses a structure
> that supports a maximum of 8-bytes of data. Instructions that access
> more than that need to be emulated in parts.
>
> We currently don't have generic
Excerpts from Fabiano Rosas's message of January 8, 2022 7:00 am:
> If MMIO emulation fails we don't want to crash the whole guest by
> returning to userspace.
>
> The original commit bbf45ba57eae ("KVM: ppc: PowerPC 440 KVM
> implementation") added a todo:
>
> /* XXX Deliver Program interrupt
Excerpts from Fabiano Rosas's message of January 8, 2022 7:00 am:
> If MMIO emulation fails, we queue a Program interrupt to the
> guest. Move that line up into kvmppc_emulate_mmio, which is where we
> set RESUME_GUEST/HOST. This allows the removal of the 'advance'
> variable.
>
> No functional
Excerpts from Fabiano Rosas's message of January 8, 2022 7:00 am:
> If MMIO emulation fails we deliver a Program interrupt to the
> guest. This is a normal event for the host, so use pr_info.
>
> Signed-off-by: Fabiano Rosas
> ---
Should it be rate limited to prevent guest spamming host log? In
Daniel Borkmann writes:
> On 1/7/22 8:36 AM, Naveen N. Rao wrote:
>> Daniel Borkmann wrote:
>>> On 1/6/22 12:45 PM, Naveen N. Rao wrote:
A set of fixes and updates to powerpc BPF JIT:
- Patches 1-3 fix issues with the existing powerpc JIT and are tagged
for -stable.
- Patch
On 08/01/2022 08:00, Fabiano Rosas wrote:
If MMIO emulation fails, we queue a Program interrupt to the
guest. Move that line up into kvmppc_emulate_mmio, which is where we
set RESUME_GUEST/HOST. This allows the removal of the 'advance'
variable.
No functional change, just separation of
On Wed, 05 Jan 2022 19:47:48 +0530, Sachin Sant wrote:
> dxa command in XMON debugger iterates through all possible processors.
> As a result, empty lines are printed even for processors which are not
> online.
>
> CPU 47:pp=00 CPPR=ff IPI=0x0040002f PQ=-- EQ idx=699 T=0
> CPU
On Tue, 28 Dec 2021 14:47:21 +0800, guo...@kernel.org wrote:
> From: Guo Ren
>
> This macro isn't used in Linux, now. Delete in include/linux/sched.h
> and arch's include/asm. This would confuse people who are
> implementing the COMPAT feature for architecture.
>
> Changes in v3:
> - Fixup
On Tue, 4 Jan 2022 17:13:18 +0100, Greg Kroah-Hartman wrote:
> There are currently 2 ways to create a set of sysfs files for a
> kobj_type, through the default_attrs field, and the default_groups
> field. Move the powerpc opal dump and elog sysfs code to use
> default_groups field which has been
On Tue, 4 Jan 2022 16:54:50 +0100, Greg Kroah-Hartman wrote:
> There are currently 2 ways to create a set of sysfs files for a
> kobj_type, through the default_attrs field, and the default_groups
> field. Move the powerpc cacheinfo sysfs code to use default_groups
> field which has been the
On Sun, 2 Jan 2022 11:29:54 +0100, Christophe JAILLET wrote:
> In [1], Christoph Hellwig has proposed to remove the wrappers in
> include/linux/pci-dma-compat.h.
>
> Some reasons why this API should be removed have been given by Julia
> Lawall in [2].
>
> A coccinelle script has been used to
On Sun, 26 Dec 2021 20:54:02 +0700, Ammar Faizi wrote:
> Commit 930914b7d528fc ("powerpc/xive: Add a debugfs file to dump
> internal XIVE state") forgot to add a null check.
>
> Add it.
>
>
Applied to powerpc/next.
[1/1] powerpc/xive: Add missing null check after calling kmalloc
Hi Michael!
On 1/7/22 12:20, John Paul Adrian Glaubitz wrote:
>> Can you separately test with (on the host):
>>
>> # echo 0 > /sys/module/kvm_hv/parameters/dynamic_mt_modes
>
> I'm trying to turn off "dynamic_mt_modes" first and see if that makes any
> difference.
>
> I will report back.
So
https://bugzilla.kernel.org/show_bug.cgi?id=215470
Bug ID: 215470
Summary: Unable to boot NXP P2020 processor (freeze before any
print to stdout)
Product: Platform Specific/Hardware
Version: 2.5
Kernel Version: >=v5.15-rc1
14 matches
Mail list logo
