.
This will allow the asm-generic wrapper handling code to remove stale
wrappers when files are removed from generic-y, without also removing
these headers which are generated separately.
Reported-by: kbuild test robot <fengguang...@intel.com>
Signed-off-by: James Hogan <james.ho...@imgtec.c
with the others as the
documentation was never added.
Signed-off-by: James Hogan <james.ho...@imgtec.com>
Cc: Paolo Bonzini <pbonz...@redhat.com>
Cc: "Radim Krčmář" <rkrc...@redhat.com>
Cc: Ralf Baechle <r...@linux-mips.org>
Cc: Andreas Herrmann <andreas.herrm...@caviumne
document the hypercall ABI which asm/kvm_para.h uses.
Signed-off-by: James Hogan <james.ho...@imgtec.com>
Cc: Paolo Bonzini <pbonz...@redhat.com>
Cc: "Radim Krčmář" <rkrc...@redhat.com>
Cc: Ralf Baechle <r...@linux-mips.org>
Cc: Andreas Herrmann <andreas.herrm..
a...@cavium.com>
Cc: Jonathan Corbet <cor...@lwn.net>
Cc: linux-m...@linux-mips.org
Cc: k...@vger.kernel.org
Cc: linux-doc@vger.kernel.org
James Hogan (4):
KVM: MIPS: Implement HYPCALL emulation
KVM: MIPS: Implement GET_CLOCK_FREQ hypercall
KVM: MIPS: Implement EXIT_VM hyperca
Implement console output hypercall by exiting back to userland with
KVM_EXIT_HYPERCALL, and setting the return value on next KVM_RUN.
We also document the hypercall along with the others as the
documentation was never added
Signed-off-by: James Hogan <james.ho...@imgtec.com>
Cc: Paolo B
.
Signed-off-by: James Hogan <james.ho...@imgtec.com>
Cc: Paolo Bonzini <pbonz...@redhat.com>
Cc: "Radim Krčmář" <rkrc...@redhat.com>
Cc: Ralf Baechle <r...@linux-mips.org>
Cc: Andreas Herrmann <andreas.herrm...@caviumnetworks.com>
Cc: David Daney <david
On Mon, Feb 06, 2017 at 02:25:59PM +0100, Paolo Bonzini wrote:
>
>
> On 06/02/2017 11:46, James Hogan wrote:
> > Documentation/virtual/kvm/api.txt seems to suggest that
> > KVM_EXIT_HYPERCALL is obsolete. When it suggests using KVM_EXIT_MMIO,
> > does it simply mea
are optional or
can be disabled.
Signed-off-by: James Hogan <james.ho...@imgtec.com>
Cc: Paolo Bonzini <pbonz...@redhat.com>
Cc: "Radim Krčmář" <rkrc...@redhat.com>
Cc: Ralf Baechle <r...@linux-mips.org>
Cc: Steven Rostedt <rost...@goodmis.org>
Cc: Ingo Molnar <
ing a GVA
root exception to be updated to interpret the segmentation registers and
decode the faulting instruction enough to detect EVA memory access
instructions.
Signed-off-by: James Hogan <james.ho...@imgtec.com>
Cc: Paolo Bonzini <pbonz...@redhat.com>
Cc: "Radim Krčmář" <
Add emulation of Memory Accessibility Attribute Registers (MAARs) when
necessary. We can't actually do anything with whatever the guest
provides, but it may not be possible to clear Guest.Config5.MRP so we
have to emulate at least a pair of MAARs.
Signed-off-by: James Hogan <james
nux-mips.org>
Cc: Steven Rostedt <rost...@goodmis.org>
Cc: Ingo Molnar <mi...@redhat.com>
Cc: Paul Burton <paul.bur...@imgtec.com>
Cc: Jonathan Corbet <cor...@lwn.net>
Cc: linux-m...@linux-mips.org
Cc: k...@vger.kernel.org
Cc: linux-doc@vger.kernel.org
James Hogan (3
Add support for VZ guest CP0_BadInstr and CP0_BadInstrP registers, as
found on most VZ capable cores. These guest registers need context
switching, and exposing via the KVM ioctl API when they are present.
Signed-off-by: James Hogan <james.ho...@imgtec.com>
Cc: Paolo Bonzini <pbonz...@r
not support full context switching of 64-bit registers.
Signed-off-by: James Hogan <james.ho...@imgtec.com>
Cc: Paolo Bonzini <pbonz...@redhat.com>
Cc: "Radim Krčmář" <rkrc...@redhat.com>
Cc: Ralf Baechle <r...@linux-mips.org>
Cc: Jonathan Corbet <cor...@lwn.net
against known values to determine what type of implementation was
chosen.
This is designed to allow the desired implementation (T vs VZ) to be
potentially chosen at runtime rather than being fixed in the kernel
configuration.
Signed-off-by: James Hogan <james.ho...@imgtec.com>
Cc
Hi Paolo,
On Thu, Mar 02, 2017 at 11:59:28AM +0100, Paolo Bonzini wrote:
> On 02/03/2017 10:36, James Hogan wrote:
> > - KVM_VM_MIPS_DEFAULT = 2
> >
> >This will provide the best available KVM implementation (even on
> >older kernels), preferring hardware a
ing a GVA
root exception to be updated to interpret the segmentation registers and
decode the faulting instruction enough to detect EVA memory access
instructions.
Signed-off-by: James Hogan <james.ho...@imgtec.com>
Cc: Paolo Bonzini <pbonz...@redhat.com>
Cc: "Radim Krčmář" <
they are present.
Signed-off-by: James Hogan <james.ho...@imgtec.com>
Cc: Paolo Bonzini <pbonz...@redhat.com>
Cc: "Radim Krčmář" <rkrc...@redhat.com>
Cc: Ralf Baechle <r...@linux-mips.org>
Cc: Jonathan Corbet <cor...@lwn.net>
Cc: linux-m...@linux-mips.org
Cc: k...@vger.
are optional or
can be disabled.
Signed-off-by: James Hogan <james.ho...@imgtec.com>
Cc: Paolo Bonzini <pbonz...@redhat.com>
Cc: "Radim Krčmář" <rkrc...@redhat.com>
Cc: Ralf Baechle <r...@linux-mips.org>
Cc: Steven Rostedt <rost...@goodmis.org>
Cc: Ingo Molnar <
not support full context switching of 64-bit registers.
Signed-off-by: James Hogan <james.ho...@imgtec.com>
Cc: Paolo Bonzini <pbonz...@redhat.com>
Cc: "Radim Krčmář" <rkrc...@redhat.com>
Cc: Ralf Baechle <r...@linux-mips.org>
Cc: Jonathan Corbet <cor...@lwn.net
Add support for VZ guest CP0_BadInstr and CP0_BadInstrP registers, as
found on most VZ capable cores. These guest registers need context
switching, and exposing via the KVM ioctl API when they are present.
Signed-off-by: James Hogan <james.ho...@imgtec.com>
Cc: Paolo Bonzini <pbonz...@r
Add support for VZ guest CP0_ContextConfig and CP0_XContextConfig
(MIPS64 only) registers, as found on P5600 and P6600 cores. These guest
registers need initialising, context switching, and exposing via the KVM
ioctl API when they are present.
Signed-off-by: James Hogan <james.ho...@imgtec.
Add emulation of Memory Accessibility Attribute Registers (MAARs) when
necessary. We can't actually do anything with whatever the guest
provides, but it may not be possible to clear Guest.Config5.MRP so we
have to emulate at least a pair of MAARs.
Signed-off-by: James Hogan <james
code in the return value for forward compatibility.
Non-zero HYPCALL codes are not handled.
We also document the hypercall ABI which asm/kvm_para.h uses.
Signed-off-by: James Hogan <james.ho...@imgtec.com>
Cc: Paolo Bonzini <pbonz...@redhat.com>
Cc: "Radim Krčmář" <rkr
Signed-off-by: James Hogan <james.ho...@imgtec.com>
Cc: Paolo Bonzini <pbonz...@redhat.com>
Cc: "Radim Krčmář" <rkrc...@redhat.com>
Cc: Ralf Baechle <r...@linux-mips.org>
Cc: Jonathan Corbet <cor...@lwn.net>
Cc: linux-m...@linux-mips.org
Cc: k...@vger.kernel
t;paul.bur...@imgtec.com>
Cc: Jonathan Corbet <cor...@lwn.net>
Cc: linux-m...@linux-mips.org
Cc: k...@vger.kernel.org
Cc: linux-doc@vger.kernel.org
James Hogan (33):
MIPS: Add defs & probing of UFR
MIPS: Separate MAAR V bit into VL and VH for XPA
MIPS: Probe guest CP0_UserLocal
On Thu, Mar 02, 2017 at 01:20:05PM +0100, Paolo Bonzini wrote:
> On 02/03/2017 12:39, James Hogan wrote:
> > It can't right now, though with relocation of the kernel now implemented
> > in MIPS Linux for KASLR, and hopes for a more generic EVA implementation
> > (which c
On Thu, Mar 02, 2017 at 10:34:07PM +, James Hogan wrote:
> I suppose the exception is T It shouldn't assume that just because VZ
> is available that T isn't (even if that is the case right now). It
> could always just try KVM_CREATE_VM with kvm type 0 and detect the error
&g
Since commit 64e2a42bca12 ("parisc: Add ARCH_TRACEHOOK and regset
support") in v4.7, parisc selects HAVE_ARCH_TRACEHOOK, so update its
entry in Documentation/features from TODO to ok.
Fixes: 64e2a42bca12 ("parisc: Add ARCH_TRACEHOOK and regset support")
Signed-off-by: J
ne it so that no in-tree architectures
> are affected.
>
> Cc: Arnd Bergmann <a...@arndb.de>
> Cc: James Hogan <james.ho...@imgtec.com>
> Cc: linux-a...@vger.kernel.org
> Cc: linux-snps-...@lists.infradead.org
> Cc: Catalin Marinas <catalin.mari...@arm.com&
nt: Tuesday, November 21, 2017 9:53 PM
> To: Aleksandar Markovic; linux-m...@linux-mips.org
> Cc: Miodrag Dinic; Aleksandar Markovic; Andrew Morton; DengCheng Zhu; Ding
> Tianhong; Douglas Leung; Frederic Weisbecker; Goran Ferenc; Ingo Molnar;
> James Cowgill; James Hogan; Jonathan Corbet
Hi,
On Thu, Dec 07, 2017 at 11:33:47AM +, Miodrag Dinic wrote:
> > On Wed, Dec 06, 2017 at 05:50:52PM +, Maciej W. Rozycki wrote:
> > > What problem are you trying to solve anyway? Is it not something that
> > > can be handled with the `execstack' utility?
> >
> > The commit message
Now that arch/metag/ has been removed, remove Meta architecture specific
documentation from the Documentation/ directory.
Signed-off-by: James Hogan <jho...@kernel.org>
Cc: Jonathan Corbet <cor...@lwn.net>
Cc: linux-me...@vger.kernel.org
Cc: linux-doc@vger.kernel.org
---
Documentat
Remove any remaining references to the Meta architecture in
Documentation/, primarily from Documentation/features/.
Signed-off-by: James Hogan <jho...@kernel.org>
Cc: Jonathan Corbet <cor...@lwn.net>
Cc: linux-me...@vger.kernel.org
Cc: linux-doc@vger.kernel.org
---
Documentati
On Thu, Feb 22, 2018 at 10:26:54AM +0100, Peter Zijlstra wrote:
> On Wed, Feb 21, 2018 at 11:38:12PM +0000, James Hogan wrote:
> > So lets call it a day and drop the Meta architecture port from the
> > kernel. RIP Meta.
>
> So long, and thanks for all the fish!
>
>
On Fri, Feb 23, 2018 at 11:26:58AM +0100, Arnd Bergmann wrote:
> On Thu, Feb 22, 2018 at 12:38 AM, James Hogan <jho...@kernel.org> wrote:
> > So lets call it a day and drop the Meta architecture port from the
> > kernel. RIP Meta.
>
> Since I brought up the architectu
Hi Arnd,
On Fri, Feb 23, 2018 at 01:26:09PM +0100, Arnd Bergmann wrote:
> On Fri, Feb 23, 2018 at 12:02 PM, James Hogan <jho...@kernel.org> wrote:
> > I'm happy to put v2 in linux-next now (only patch 4 has changed, I just
> > sent an updated version), and send you a pull re
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