+ * descriptors in section D4.2.8 in ARM DDI 0487B.b.
+ *
+ * The algorithm defines the expectaions on the BaseAddress (for the page
NIT: s/expectaions/expectations/
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Hi Suzuki,
On 27/04/18 16:58, Suzuki K Poulose wrote:
On 27/04/18 16:22, Suzuki K Poulose wrote:
On 26/04/18 14:35, Julien Grall wrote:
Hi Suzuki,
On 27/03/18 14:15, Suzuki K Poulose wrote:
Right now the stage2 page table for a VM is hard coded, assuming
an IPA of 40bits. As we are about to
On 27/04/18 16:18, Suzuki K Poulose wrote:
On 26/04/18 11:58, Julien Grall wrote:
Hi Suzuki,
On 27/03/18 14:15, Suzuki K Poulose wrote:
Add a helper to convert ID_AA64MMFR0_EL1:PARange to they physical
size shift. Limit the size to the maximum supported by the kernel.
We are about to move
pe other than 0. So I think
the best would be to bail out if KVM_ARM_GET_MAX_VM_PHYS_SHIFT does not
exist.
For safety, you could even check that arch.phys_shift is always 40 when
running under older Linux.
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M_PHYS_SHIFT
+#define kvm_phys_size(kvm) (_AC(1, ULL) << kvm_phys_shift(kvm))
NIT: is the _AC(...) necessary? It does not look like this function is
going to be usable in assembly.
+#define kvm_phys_mask(kvm) (kvm_phys_size(kvm) - _AC(1, ULL))
Same here
@@ u32 __hyp_text __init_stage2_translation(void)
write_sysreg(val, vtcr_el2);
- return parange;
+ return phys_shift;
}
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Hi Suzuki,
On 27/03/18 14:15, Suzuki K Poulose wrote:
Make pud_huge reusable for stage2 tables, independent
of the stage1 levels.
Cc: Steve Capper
Cc: Mark Rutland
Cc: Will Deacon
Cc: Catalin Marinas
Cc: Christoffer Dall
Signed-off-by: Suzuki K Poulose
Reviewed-by: Julien Grall
: Julien Grall
Cheers,
---
arch/arm64/include/asm/pgalloc.h | 34 +++
arch/arm64/include/asm/pgtable.h | 60 +---
2 files changed, 66 insertions(+), 28 deletions(-)
diff --git a/arch/arm64/include/asm/pgalloc.h b/arch/arm64/include/asm
,
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return ret;
kvm->arch.last_vcpu_ran = alloc_percpu(typeof(*kvm->arch.last_vcpu_ran));
if (!kvm->arch.last_vcpu_ran)
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optimizations.
Signed-off-by: Christoffer Dall
Reviewed-by: Julien Grall
Cheers,
---
Notes:
Changes since v1:
- Removed unnecessary kvm_hyp.h include
- Adapted the patch based on having gotten rid of storing the elrsr
prior to this patch.
- No longer change the
.
We also take this chance to rename the function saving/restoring the
remaining system register to make it clear this function deals with
the EL1 system registers.
Reviewed-by: Andrew Jones
Reviewed-by: Marc Zyngier
Signed-off-by: Christoffer Dall
Reviewed-by: Julien Grall
Cheers,
---
n VHE, and the _EL2
accessor does the same thing on both systems.
Cc: Ard Biesheuvel
Reviewed-by: Marc Zyngier
Reviewed-by: Andrew Jones
Signed-off-by: Christoffer Dall
Reviewed-by: Julien Grall
Cheers,
---
Notes:
Changes since v4:
- Clarified rationale in commit me
reading different
types here.
I can't find any endianness code removed in this code. What did I miss?
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vcpu->arch.hcr_el2 = read_sysreg(hcr_el2);
+ __deactivate_traps_common();
__deactivate_traps_arch()();
- write_sysreg(0, hstr_el2);
- write_sysreg(0, pmuserenr_el0);
}
static void __hyp_text __activate_vm(struct kvm *kvm)
Cheers,
--
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rn;
+ case DBGVCR32_EL2: write_sysreg_s(val, SYS_DBGVCR32_EL2); return;
}
immediate_write:
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On 22/02/18 18:30, Julien Grall wrote:
Hi Christoffer,
On 15/02/18 21:03, Christoffer Dall wrote:
Some system registers do not affect the host kernel's execution and can
therefore be loaded when we are about to run a VCPU and we don't have to
restore the host state to the hardware
te_write:
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e when HCR_EL2.VSE is set */
u64 vsesr_el2;
+
+ /* True when deferrable sysregs are loaded on the physical CPU,
+* see kvm_vcpu_load_sysregs and kvm_vcpu_put_sysregs. */
NIT: I think the preferred style comment is
/*
* Foo
*/
MU_USERENR_MASK;
+ } else {
NIT: There is a double space between else and {.
+ p->regval = __vcpu_sys_reg(vcpu, PMUSERENR_EL0)
& ARMV8_PMU_USERENR_MASK;
}
Cheers,
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_
like it would be possible to have hardware where ACTLR_EL1 would still
have an effect on host EL0. I also read the comments on the version 2 of
this patch but I wasn't able to find what I missing.
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Hi Christoffer,
Sorry for the late reply.
On 13/02/18 22:31, Christoffer Dall wrote:
On Fri, Feb 09, 2018 at 05:53:43PM +, Julien Grall wrote:
Hi Christoffer,
On 01/12/2018 12:07 PM, Christoffer Dall wrote:
The VHE switch function calls __timer_enable_traps and
__timer_disable_traps
ht want to remove this paragraph as you don't seem to have rework
that part of the code in this version.
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p of the function says the host
must save ACTLR_EL1 in the VHE case. But AFAICT, after this patch the
register will not get saved in the host context. Did I miss anything?
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* Physical counter access is allowed
+*/
+ val = read_sysreg(cnthctl_el2);
+ val &= ~CNTHCTL_EL1PCEN;
+ val |= CNTHCTL_EL1PCTEN;
+ write_sysreg(val, cnthctl_el2);
}
Cheers,
--
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___
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kvm_vcpu_run_vhe(vcpu);
+ else
+ ret = kvm_call_hyp(__kvm_vcpu_run_nvhe, vcpu);
vcpu->mode = OUTSIDE_GUEST_MODE;
vcpu->stat.exits++;
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-
-bool __hyp_text __fpsimd_enabled(void)
Now that __fpsimd_enabled is removed, I think you need to remove the
prototype in arch/arm64/include/kvm_hyp.h too.
-{
- return __fpsimd_is_enabled()();
-}
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by: Julien Grall
Cheers,
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g(hcr_el2);
- val |= HCR_INT_OVERRIDE;
val |= vcpu->arch.irq_lines;
write_sysreg(val, hcr_el2);
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Hi Christoffer,
On 02/08/2018 01:24 PM, Christoffer Dall wrote:
On Mon, Feb 05, 2018 at 06:04:25PM +, Julien Grall wrote:
On 12/01/18 12:07, Christoffer Dall wrote:
+
panic(__hyp_panic_string,
spsr, elr,
read_sysreg_el2(esr), read_sysreg_el2(far
On 05/02/18 18:04, Julien Grall wrote:
On 12/01/18 12:07, Christoffer Dall wrote:
@@ -436,37 +446,31 @@ static void __hyp_text __hyp_call_panic_nvhe(u64
spsr, u64 elr, u64 par,
read_sysreg(hpfar_el2), par, vcpu);
}
-static void __hyp_text __hyp_call_panic_vhe(u64 spsr, u64
elr, par, host_ctxt);
unreachable();
}
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ectre is also touching this
code (see https://patchwork.kernel.org/patch/10190297/).
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flag.
Signed-off-by: Christoffer Dall
Reviewed-by: Julien Grall
Cheers,
---
virt/kvm/arm/arch_timer.c | 7 ---
virt/kvm/arm/arm.c| 22 --
virt/kvm/arm/vgic/vgic-init.c | 11 ---
3 files changed, 8 insertions(+), 32 deletions(-)
diff --git a
we're actually going to run the vcpu.
Signed-off-by: Christoffer Dall
Reviewed-by: Julien Grall
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ns an error code otherwise
+ */
+int vgic_v3_probe(const struct gic_kvm_info *info)
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Hello,
On 17/05/2016 00:28, Itaru Kitayama wrote:
The new v4.6 upstream kernel gets to the prompt on Mustang (Rev A3).
I would recommend you to bissect Linux and finger one or multiple
commits which break booting on your board.
Regards,
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c1 so I would recommend
you to try Linux-next.
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Hi Hanjun,
Sorry for the late answer.
On 13/04/16 11:01, Hanjun Guo wrote:
On 2016/4/11 23:32, Julien Grall wrote:
Currently, most of the pr_* messages in the GICv3 driver don't have a
prefix. Add one to make clear where the messages come from.
Signed-off-by: Julien Grall
---
Ch
The only call of arch_timer_get_timecounter (in KVM) has been removed.
Signed-off-by: Julien Grall
Acked-by: Christoffer Dall
---
Cc: Daniel Lezcano
Cc: Thomas Gleixner
Changes in v4:
- Add Christoffer's acked-by
Changes in v3:
- Patch added
---
drivers/clocks
are merged via the clocksource tree
Patches #2-#7 are merged via the irqchip tree
2) Patches #8-#9 are merge via the KVM tree
3) Patch #10 is merged via the clocksource tree.
For all the changes see in each patch.
Regards,
Julien Grall (10):
clocksource: arm_arch_timer: Gather KVM specific
4 and ARM32.
The function arch_timer_get_timecounter is kept for the time being and
will be dropped in a subsequent patch.
Signed-off-by: Julien Grall
Acked-by: Christoffer Dall
---
Cc: Daniel Lezcano
Cc: Thomas Gleixner
Cc: Marc Zyngier
Changes in v6:
- Add Christoffer'
Fill up the recently introduced gic_kvm_info with the hardware
information used for virtualization.
Signed-off-by: Julien Grall
Cc: Thomas Gleixner
Cc: Jason Cooper
Cc: Marc Zyngier
---
Changes in v6:
- Skip unusable CPUs
Changes in v5:
- Remove the alignment check
virtual timer code.
Signed-off-by: Julien Grall
Acked-by: Christoffer Dall
---
Cc: Christoffer Dall
Cc: Marc Zyngier
Cc: Gleb Natapov
Cc: Paolo Bonzini
Changes in v4:
- Add Christoffer's acked-by
Changes in v3:
- Patch added
---
virt/kvm/arm/arch_timer.c
The ACPI code requires to use global variables in order to collect
information from the tables.
For now, a single global variable is used, but more will be added in a
subsequent patch. To make clear they are ACPI specific, gather all the
information in a single structure.
Signed-off-by: Julien
initialization. Therefore,
the new variable, which hold the structure, can be marked with
__initdata.
Signed-off-by: Julien Grall
Acked-by: Christoffer Dall
Reviewed-by: Hanjun Guo
---
Cc: Thomas Gleixner
Cc: Jason Cooper
Cc: Marc Zyngier
Cc: Tomasz Nowicki
Changes in v6:
- Add
subsequent patch.
Signed-off-by: Julien Grall
Acked-by: Christoffer Dall
---
Cc: Daniel Lezcano
Cc: Thomas Gleixner
Cc: Marc Zyngier
Changes in v6:
- Add Christoffer's acked-by
Changes in v4:
- Move the initialization of the virtual_irq into
arch_timer_in
Currently, most of the pr_* messages in the GICv3 driver don't have a
prefix. Add one to make clear where the messages come from.
Signed-off-by: Julien Grall
---
Changes in v6:
- Patch added
---
drivers/irqchip/irq-gic-v3.c | 2 ++
1 file changed, 2 insertions(+)
diff --
information about the virtual GIC.
With this change, the virtual GIC becomes agnostic to the firmware
table and KVM will be able to initialize the vGIC on ACPI.
Signed-off-by: Julien Grall
Reviewed-by: Christoffer Dall
---
Cc: Marc Zyngier
Cc: Gleb Natapov
Cc: Paolo Bonzini
Changes in v6
information. Also fill up the structure for GICv2.
Signed-off-by: Julien Grall
---
Cc: Thomas Gleixner
Cc: Jason Cooper
Cc: Marc Zyngier
Changes in v6:
- Move the code to get the maintenance interrupt later. It will
avoid to call acpi_unregister_gsi when the function fails
Hello Hanjun,
On 11/04/16 06:27, Hanjun Guo wrote:
On 2016/4/4 19:37, Julien Grall wrote:
+static void __init gic_acpi_setup_kvm_info(void)
+{
+int irq;
+
+if (!gic_acpi_collect_virt_info()) {
+pr_warn("Unable to get hardware information used for
virtualizat
On 09/04/16 03:29, Shanker Donthineni wrote:
Hi Julien,
Hello Shanker,
On 04/04/2016 06:37 AM, Julien Grall wrote:
+static int __init gic_acpi_parse_virt_madt_gicc(struct
acpi_subtable_header *header,
+ const unsigned long end)
+{
+ struct
On 11/04/16 04:17, Hanjun Guo wrote:
Hi Julian,
Hi Hanjun,
On 2016/4/4 19:37, Julien Grall wrote:
@@ -1302,6 +1339,41 @@ static bool __init gic_validate_dist(struct
acpi_subtable_header *header,
#define ACPI_GICV2_DIST_MEM_SIZE(SZ_4K)
#define ACPI_GIC_CPU_IF_MEM_SIZE(SZ_8K
Hi Christoffer,
On 06/04/2016 18:28, Christoffer Dall wrote:
On Mon, Apr 04, 2016 at 12:37:31PM +0100, Julien Grall wrote:
Hello,
This patch series allows KVM to work with ACPI on ARM64.
Currently, the firmware tables are parsed by the the virtual timer and virtual
GIC code in order to
Hi Christoffer,
On 06/04/2016 18:22, Christoffer Dall wrote:
On Mon, Apr 04, 2016 at 12:37:37PM +0100, Julien Grall wrote:
+static void __init gic_acpi_setup_kvm_info(void)
+{
+ int irq;
+
+ if (!gic_acpi_collect_virt_info()) {
+ pr_warn("Unable to get har
Hi Christoffer,
On 06/04/2016 18:04, Christoffer Dall wrote:
On Mon, Apr 04, 2016 at 12:37:35PM +0100, Julien Grall wrote:
diff --git a/include/linux/irqchip/arm-gic-common.h
b/include/linux/irqchip/arm-gic-common.h
new file mode 100644
index 000..ef34f6f
--- /dev/null
+++ b/include/linux
information about the virtual GIC.
With this change, the virtual GIC becomes agnostic to the firmware
table and KVM will be able to initialize the vGIC on ACPI.
Signed-off-by: Julien Grall
---
Cc: Christoffer Dall
Cc: Marc Zyngier
Cc: Gleb Natapov
Cc: Paolo Bonzini
Changes in v4:
- Remove
The only call of arch_timer_get_timecounter (in KVM) has been removed.
Signed-off-by: Julien Grall
Acked-by: Christoffer Dall
---
Cc: Daniel Lezcano
Cc: Thomas Gleixner
Changes in v4:
- Add Christoffer's acked-by
Changes in v3:
- Patch added
---
drivers/clocks
virtual timer code.
Signed-off-by: Julien Grall
Acked-by: Christoffer Dall
---
Cc: Christoffer Dall
Cc: Marc Zyngier
Cc: Gleb Natapov
Cc: Paolo Bonzini
Changes in v4:
- Add Christoffer's acked-by
Changes in v3:
- Patch added
---
virt/kvm/arm/arch_timer.c
Fill up the recently introduced gic_kvm_info with the hardware
information used for virtualization.
Signed-off-by: Julien Grall
Cc: Thomas Gleixner
Cc: Jason Cooper
Cc: Marc Zyngier
---
Changes in v5:
- Remove the alignment check for GICV. It's already done in the
information. Also fill up the structure for GICv2.
Signed-off-by: Julien Grall
---
Cc: Thomas Gleixner
Cc: Jason Cooper
Cc: Marc Zyngier
Changes in v4:
- Change the flow to call gic_set_kvm_info when all the
information are present.
- Rework comments in arm-gic
initialization. Therefore,
the new variable, which hold the structure, can be marked with
__initdata.
Signed-off-by: Julien Grall
---
Cc: Thomas Gleixner
Cc: Jason Cooper
Cc: Marc Zyngier
Changes in v4:
- Rework commit message
Changes in v3:
- Patch added
---
drivers
are merged via the clocksource tree
Patches #2-#6 are merged via the irqchip tree
2) Patches #7-#8 are merge via the KVM tree
3) Patch #9 is merged via the clocksource tree.
For all the changes see in each patch.
Regards,
Cc: daniel.lezc...@linaro.org
Julien Grall (9):
clocksource
4 and ARM32.
The function arch_timer_get_timecounter is kept for the time being and
will be dropped in a subsequent patch.
Signed-off-by: Julien Grall
---
Cc: Daniel Lezcano
Cc: Thomas Gleixner
Cc: Marc Zyngier
Changes in v3:
- Rename the patch
- Move the KVM change
subsequent patch.
Signed-off-by: Julien Grall
---
Cc: Daniel Lezcano
Cc: Thomas Gleixner
Cc: Marc Zyngier
Changes in v4:
- Move the initialization of the virtual_irq into
arch_timer_init as KVM mandates the system registers timer.
Changes in v3:
- Move the KVM
The ACPI code requires to use global variables in order to collect
information from the tables.
For now, a single global variable is used, but more will be added in a
subsequent patch. To make clear they are ACPI specific, gather all the
information in a single structure.
Signed-off-by: Julien
Hi Christoffer,
On 01/04/2016 11:13, Christoffer Dall wrote:
On Thu, Mar 24, 2016 at 05:53:40PM +, Julien Grall wrote:
diff --git a/drivers/irqchip/irq-gic-v3.c b/drivers/irqchip/irq-gic-v3.c
index 50e87e6..b5ed8be 100644
--- a/drivers/irqchip/irq-gic-v3.c
+++ b/drivers/irqchip/irq-gic-v3
On 29/03/16 15:39, Daniel Lezcano wrote:
On 03/24/2016 06:53 PM, Julien Grall wrote:
The only call of arch_timer_get_timecounter (in KVM) has been removed.
Signed-off-by: Julien Grall
Acked-by: Christoffer Dall
Hi Julien,
Hi Daniel,
do you want me to take this patch through my tree
virtual timer code.
Signed-off-by: Julien Grall
Acked-by: Christoffer Dall
---
Cc: Christoffer Dall
Cc: Marc Zyngier
Cc: Gleb Natapov
Cc: Paolo Bonzini
Changes in v4:
- Add Christoffer's acked-by
Changes in v3:
- Patch added
---
virt/kvm/arm/arch_timer.c
Fill up the recently introduced gic_kvm_info with the hardware
information used for virtualization.
Signed-off-by: Julien Grall
Cc: Thomas Gleixner
Cc: Jason Cooper
Cc: Marc Zyngier
---
Changes in v4:
- Change the flow to call gic_kvm_set_info only when all the
mandatory
information about the virtual GIC.
With this change, the virtual GIC becomes agnostic to the firmware
table and KVM will be able to initialize the vGIC on ACPI.
Signed-off-by: Julien Grall
---
Cc: Christoffer Dall
Cc: Marc Zyngier
Cc: Gleb Natapov
Cc: Paolo Bonzini
Changes in v4:
- Remove
initialization. Therefore,
the new variable, which hold the structure, can be marked with
__initdata.
Signed-off-by: Julien Grall
---
Cc: Thomas Gleixner
Cc: Jason Cooper
Cc: Marc Zyngier
Changes in v4:
- Rework commit message
Changes in v3:
- Patch added
---
drivers
subsequent patch.
Signed-off-by: Julien Grall
---
Cc: Daniel Lezcano
Cc: Thomas Gleixner
Cc: Marc Zyngier
Changes in v4:
- Move the initialization of the virtual_irq into
arch_timer_init as KVM mandates the system registers timer.
Changes in v3:
- Move the KVM
The only call of arch_timer_get_timecounter (in KVM) has been removed.
Signed-off-by: Julien Grall
Acked-by: Christoffer Dall
---
Cc: Daniel Lezcano
Cc: Thomas Gleixner
Changes in v4:
- Add Christoffer's acked-by
Changes in v3:
- Patch added
---
drivers/clocks
information. Also fill up the structure for GICv2.
Signed-off-by: Julien Grall
---
Cc: Thomas Gleixner
Cc: Jason Cooper
Cc: Marc Zyngier
Changes in v4:
- Change the flow to call gic_set_kvm_info when all the
information are present.
- Rework comments in arm-gic
The ACPI code requires to use global variables in order to collect
information from the tables.
For now, a single global variable is used, but more will be added in a
subsequent patch. To make clear they are ACPI specific, gather all the
information in a single structure.
Signed-off-by: Julien
introduces new helpers to retrieve the
information from the different drivers in order to avoid duplication of the
parsing code.
To make the merge easier via the different trees, each patch modifies
a single subsystem.
For all the changes see the different patches.
Yours sincerely,
Julien Grall (9
4 and ARM32.
The function arch_timer_get_timecounter is kept for the time being and
will be dropped in a subsequent patch.
Signed-off-by: Julien Grall
---
Cc: Daniel Lezcano
Cc: Thomas Gleixner
Cc: Marc Zyngier
Changes in v3:
- Rename the patch
- Move the KVM change
Hi Graeme,
On 22/03/16 11:27, Graeme Gregory wrote:
On Tue, Mar 08, 2016 at 11:29:30AM +, Julien Grall wrote:
@@ -1020,6 +1060,13 @@ gic_acpi_parse_madt_gicc(struct acpi_subtable_header
*header,
return -ENOMEM;
gic_acpi_register_redist(gicc->gicr_base_addr
Hi Christoffer,
On 09/03/16 05:39, Christoffer Dall wrote:
On Tue, Mar 08, 2016 at 11:29:29AM +, Julien Grall wrote:
Even though all the variables aren't marked with __initdata, they are
only used during initialization. So the structure is marked with
__initdata.
Not sure I under
Hi Christoffer,
On 09/03/16 05:14, Christoffer Dall wrote:
On Tue, Mar 08, 2016 at 11:29:28AM +, Julien Grall wrote:
For now, the firmware tables are parsed 2 times: once in the GIC
drivers, the other timer when initializing the vGIC. It means code
duplication and make more tedious to add
Hi Christoffer,
On 09/03/2016 12:47, Christoffer Dall wrote:
On Tue, Mar 08, 2016 at 11:29:27AM +, Julien Grall wrote:
For now, there is only one member. More member will be added later.
questionable commit message
What about:
"The ACPI code requires to use global variables in
Hi Christoffer,
On 09/03/2016 10:27, Christoffer Dall wrote:
On Tue, Mar 08, 2016 at 11:29:26AM +, Julien Grall wrote:
diff --git a/drivers/clocksource/arm_arch_timer.c
b/drivers/clocksource/arm_arch_timer.c
index b7ab588..d8887f3 100644
--- a/drivers/clocksource/arm_arch_timer.c
+++ b
Hi Christoffer,
On 09/03/2016 10:23, Christoffer Dall wrote:
On Tue, Mar 08, 2016 at 11:29:25AM +, Julien Grall wrote:
-static struct timecounter timecounter;
+static struct arch_timer_kvm_info arch_timer_kvm_info;
+
+struct arch_timer_kvm_info *arch_timer_get_kvm_info(void)
borderline
virtual timer code.
Signed-off-by: Julien Grall
---
Cc: Christoffer Dall
Cc: Marc Zyngier
Cc: Gleb Natapov
Cc: Paolo Bonzini
Changes in v3:
- Patch added
---
virt/kvm/arm/arch_timer.c | 40 +++-
1 file changed, 11 insertions(+), 29 deletions
information about the virtual GIC.
With this change, the virtual GIC becomes agnostic to the firmware
table and KVM will be able to initialize the vGIC on ACPI.
Signed-off-by: Julien Grall
---
Cc: Christoffer Dall
Cc: Marc Zyngier
Cc: Gleb Natapov
Cc: Paolo Bonzini
Changes in v2:
- Use 0
,
Julien Grall (9):
clocksource: arm_arch_timer: Gather KVM specific information in a
structure
clocksource: arm_arch_timer: Extend arch_timer_kvm_info to get the
virtual IRQ
irqchip/gic-v2: Gather ACPI specific data in a single structure
irqchip/gic-v2: Parse and export virtual GIC
The only call of arch_timer_get_timecounter (in KVM) has been removed.
Signed-off-by: Julien Grall
---
Cc: Daniel Lezcano
Cc: Thomas Gleixner
Changes in v3:
- Patch added
---
drivers/clocksource/arm_arch_timer.c | 5 -
include/clocksource/arm_arch_timer.h | 6 --
2 files
information. Also fill up the structure for GICv2.
Signed-off-by: Julien Grall
---
Cc: Thomas Gleixner
Cc: Jason Cooper
Cc: Marc Zyngier
Changes in v2:
- Use 0 rather than a negative value to know when the maintenance IRQ
is not present.
- Use resource for vcpu and
Fill up the recently introduced gic_kvm_info with the virtual GIC
information.
Signed-off-by: Julien Grall
Cc: Thomas Gleixner
Cc: Jason Cooper
Cc: Marc Zyngier
---
Changes in v3:
- Add ACPI support
Changes in v2:
- Use 0 rather than a negative value to know when the
Even though all the variables aren't marked with __initdata, they are
only used during initialization. So the structure is marked with
__initdata.
Signed-off-by: Julien Grall
---
Cc: Thomas Gleixner
Cc: Jason Cooper
Cc: Marc Zyngier
Changes in v3:
- Patch added
---
dr
For now, there is only one member. More member will be added later.
Signed-off-by: Julien Grall
---
Cc: Thomas Gleixner
Cc: Jason Cooper
Cc: Marc Zyngier
Changes in v2:
- Patch added
---
drivers/irqchip/irq-gic.c | 11 +++
1 file changed, 7 insertions(+), 4 deletions
4 and ARM32.
The function arch_timer_get_timecounter is kept for the time being and
will be dropped in a subsequent patch.
Signed-off-by: Julien Grall
---
Cc: Daniel Lezcano
Cc: Thomas Gleixner
Cc: Marc Zyngier
Changes in v3:
- Rename the patch
- Move the KVM change
subsequent patch.
Signed-off-by: Julien Grall
---
Cc: Daniel Lezcano
Cc: Thomas Gleixner
Cc: Marc Zyngier
Changes in v3:
- Move the KVM changes in a separate patch and rename the patch
- Move the initialization of the virtual_irq to
arch_timer_common_init
Hi Christoffer,
On 03/03/16 19:38, Christoffer Dall wrote:
On Thu, Feb 11, 2016 at 03:33:20PM +, Julien Grall wrote:
[...]
diff --git a/drivers/clocksource/arm_arch_timer.c
b/drivers/clocksource/arm_arch_timer.c
index 6eb2c5d..3cdbefd 100644
--- a/drivers/clocksource/arm_arch_timer.c
,
domain->ops = bus->iommu_ops;
domain->type = type;
+ mutex_init(&domain->reserved_mutex);
For consistency, the RB-tree reserved_binding_list should be initialized
too:
domain->reserved_binding_list = RB_ROOT;
Cheer
On 19/02/16 10:53, Julien Grall wrote:
--
Julien Grall
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Hello Wei,
On 19/02/16 07:24, Wei Huang wrote:
On 02/11/2016 09:33 AM, Julien Grall wrote:
[...]
This is also dropping arch_timer_get_timecounter as it was only used by
the KVM code. Furthermore, a stub for the new helper hasn't been
introduced because KVM is requiring the arch time
, a stub for the new helper hasn't been
introduced because KVM is requiring the arch timer for both ARM64 and
ARM32.
Signed-off-by: Julien Grall
---
Cc: Daniel Lezcano
Cc: Thomas Gleixner
Cc: Christoffer Dall
Cc: Marc Zyngier
Cc: Gleb Natapov
Cc: Paolo Bonzini
---
drivers/clocks
information about the virtual GIC.
With this change, the virtual GIC becomes agnostic to the firmware
table and KVM will be able to initialize the vGIC on ACPI.
Signed-off-by: Julien Grall
---
Cc: Christoffer Dall
Cc: Marc Zyngier
Cc: Gleb Natapov
Cc: Paolo Bonzini
Changes in v2:
- Use
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