On Thu, Sep 12, 2024 at 11:50:18AM +0100, Will Deacon wrote:
> Hi Dave,
>
> On Wed, Sep 11, 2024 at 08:33:54AM -0700, Dave Hansen wrote:
> > On 9/11/24 08:01, Kevin Brodsky wrote:
> > > On 22/08/2024 17:10, Joey Gouly wrote:
> > >> @@ -371,6 +382,9 @@ int copy_thread(struct task_struct *p, const s
Hi Dave,
On Wed, Sep 11, 2024 at 08:33:54AM -0700, Dave Hansen wrote:
> On 9/11/24 08:01, Kevin Brodsky wrote:
> > On 22/08/2024 17:10, Joey Gouly wrote:
> >> @@ -371,6 +382,9 @@ int copy_thread(struct task_struct *p, const struct
> >> kernel_clone_args *args)
> >>if (system_supports_
On 9/11/24 08:01, Kevin Brodsky wrote:
> On 22/08/2024 17:10, Joey Gouly wrote:
>> @@ -371,6 +382,9 @@ int copy_thread(struct task_struct *p, const struct
>> kernel_clone_args *args)
>> if (system_supports_tpidr2())
>> p->thread.tpidr2_el0 = read_sysreg_s(SYS_TPID
On 22/08/2024 17:10, Joey Gouly wrote:
> @@ -371,6 +382,9 @@ int copy_thread(struct task_struct *p, const struct
> kernel_clone_args *args)
> if (system_supports_tpidr2())
> p->thread.tpidr2_el0 = read_sysreg_s(SYS_TPIDR2_EL0);
>
> + if (system_sup
On Wed, Sep 04, 2024 at 05:17:58PM +0100, Will Deacon wrote:
> On Wed, Sep 04, 2024 at 01:55:03PM +0100, Joey Gouly wrote:
> > On Wed, Sep 04, 2024 at 12:43:02PM +0100, Will Deacon wrote:
> > > Right, there's quite a lot I need to do:
> > >
> > > - Uncorrupt your patches
> > > - Fix the conflict i
On Wed, 04 Sep 2024 17:17:58 +0100,
Will Deacon wrote:
>
> On Wed, Sep 04, 2024 at 01:55:03PM +0100, Joey Gouly wrote:
> > On Wed, Sep 04, 2024 at 12:43:02PM +0100, Will Deacon wrote:
> > > Right, there's quite a lot I need to do:
> > >
> > > - Uncorrupt your patches
> > > - Fix the conflict in
On Wed, Sep 04, 2024 at 01:55:03PM +0100, Joey Gouly wrote:
> On Wed, Sep 04, 2024 at 12:43:02PM +0100, Will Deacon wrote:
> > Right, there's quite a lot I need to do:
> >
> > - Uncorrupt your patches
> > - Fix the conflict in the kvm selftests
> > - Drop the unnecessary ISBs
> > - Fix the ESR che
On Wed, Sep 04, 2024 at 12:43:02PM +0100, Will Deacon wrote:
> On Wed, Sep 04, 2024 at 12:32:21PM +0100, Joey Gouly wrote:
> > On Wed, Sep 04, 2024 at 11:22:54AM +0100, Will Deacon wrote:
> > > On Tue, Sep 03, 2024 at 03:54:13PM +0100, Joey Gouly wrote:
> > > > On Mon, Sep 02, 2024 at 08:08:08PM +0
On Wed, Sep 04, 2024 at 12:32:21PM +0100, Joey Gouly wrote:
> On Wed, Sep 04, 2024 at 11:22:54AM +0100, Will Deacon wrote:
> > On Tue, Sep 03, 2024 at 03:54:13PM +0100, Joey Gouly wrote:
> > > On Mon, Sep 02, 2024 at 08:08:08PM +0100, Catalin Marinas wrote:
> > > > On Tue, Aug 27, 2024 at 12:38:04P
On Wed, Sep 04, 2024 at 11:22:54AM +0100, Will Deacon wrote:
> On Tue, Sep 03, 2024 at 03:54:13PM +0100, Joey Gouly wrote:
> > commit 3141fb86bee8d48ae47cab1594dad54f974a8899
> > Author: Joey Gouly
> > Date: Tue Sep 3 15:47:26 2024 +0100
> >
> > fixup! arm64: context switch POR_EL0 register
On Wed, Sep 04, 2024 at 11:22:54AM +0100, Will Deacon wrote:
> On Tue, Sep 03, 2024 at 03:54:13PM +0100, Joey Gouly wrote:
> > On Mon, Sep 02, 2024 at 08:08:08PM +0100, Catalin Marinas wrote:
> > > On Tue, Aug 27, 2024 at 12:38:04PM +0100, Will Deacon wrote:
> > > > On Fri, Aug 23, 2024 at 07:40:52
On Tue, Sep 03, 2024 at 03:54:13PM +0100, Joey Gouly wrote:
> On Mon, Sep 02, 2024 at 08:08:08PM +0100, Catalin Marinas wrote:
> > On Tue, Aug 27, 2024 at 12:38:04PM +0100, Will Deacon wrote:
> > > On Fri, Aug 23, 2024 at 07:40:52PM +0100, Catalin Marinas wrote:
> > > > On Fri, Aug 23, 2024 at 06:0
On Mon, Sep 02, 2024 at 08:08:08PM +0100, Catalin Marinas wrote:
> On Tue, Aug 27, 2024 at 12:38:04PM +0100, Will Deacon wrote:
> > On Fri, Aug 23, 2024 at 07:40:52PM +0100, Catalin Marinas wrote:
> > > On Fri, Aug 23, 2024 at 06:08:36PM +0100, Will Deacon wrote:
> > > > On Fri, Aug 23, 2024 at 05:
On Tue, Aug 27, 2024 at 12:38:04PM +0100, Will Deacon wrote:
> On Fri, Aug 23, 2024 at 07:40:52PM +0100, Catalin Marinas wrote:
> > On Fri, Aug 23, 2024 at 06:08:36PM +0100, Will Deacon wrote:
> > > On Fri, Aug 23, 2024 at 05:41:06PM +0100, Catalin Marinas wrote:
> > > > On Fri, Aug 23, 2024 at 03:
On Fri, Aug 23, 2024 at 07:40:52PM +0100, Catalin Marinas wrote:
> On Fri, Aug 23, 2024 at 06:08:36PM +0100, Will Deacon wrote:
> > On Fri, Aug 23, 2024 at 05:41:06PM +0100, Catalin Marinas wrote:
> > > On Fri, Aug 23, 2024 at 03:45:32PM +0100, Will Deacon wrote:
> > > > On Thu, Aug 22, 2024 at 04:
On Fri, Aug 23, 2024 at 06:08:36PM +0100, Will Deacon wrote:
> On Fri, Aug 23, 2024 at 05:41:06PM +0100, Catalin Marinas wrote:
> > On Fri, Aug 23, 2024 at 03:45:32PM +0100, Will Deacon wrote:
> > > On Thu, Aug 22, 2024 at 04:10:49PM +0100, Joey Gouly wrote:
> > > > +static void permission_overlay_
On Fri, Aug 23, 2024 at 05:41:06PM +0100, Catalin Marinas wrote:
> On Fri, Aug 23, 2024 at 03:45:32PM +0100, Will Deacon wrote:
> > On Thu, Aug 22, 2024 at 04:10:49PM +0100, Joey Gouly wrote:
> > > +static void permission_overlay_switch(struct task_struct *next)
> > > +{
> > > + if (!system_support
On Fri, Aug 23, 2024 at 03:45:32PM +0100, Will Deacon wrote:
> On Thu, Aug 22, 2024 at 04:10:49PM +0100, Joey Gouly wrote:
> > +static void permission_overlay_switch(struct task_struct *next)
> > +{
> > + if (!system_supports_poe())
> > + return;
> > +
> > + current->thread.por_el0 =
On Thu, Aug 22, 2024 at 04:10:49PM +0100, Joey Gouly wrote:
> POR_EL0 is a register that can be modified by userspace directly,
> so it must be context switched.
>
> Signed-off-by: Joey Gouly
> Cc: Catalin Marinas
> Cc: Will Deacon
> Reviewed-by: Catalin Marinas
> ---
> arch/arm64/include/asm
POR_EL0 is a register that can be modified by userspace directly,
so it must be context switched.
Signed-off-by: Joey Gouly
Cc: Catalin Marinas
Cc: Will Deacon
Reviewed-by: Catalin Marinas
---
arch/arm64/include/asm/cpufeature.h | 6 ++
arch/arm64/include/asm/processor.h | 1 +
arch/ar
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