From: Sergei Temerkhanov <s.temerkhanov@gmail.com>
To: "Jürgen Groß" <jgross@suse.com>
Cc: xen-devel@lists.xenproject.org
Subject: Re: [PATCH 0/2] Xen: Use a dedicated pointer for IRQ data
Date: Fri, 21 Aug 2020 14:19:40 +0300 [thread overview]
Message-ID: <CAPEA6dYXaw=ZYv1jJqK=8twVpKXQ8bG0erABKC6HiQh-DcZ-DQ@mail.gmail.com> (raw)
In-Reply-To: <ccc1883f-876f-c1ea-bd68-b3c8ab267a8f@suse.com>
>Did you see any specific problem where handler_data is written by
another component?
I've posted this series in the thread
https://lists.xenproject.org/archives/html/xen-devel/2020-08/msg00957.html
where the problem is caused exactly by that behavior
>In case this is a real problem I don't think your approach will be accepted
Any comments/suggestions are welcome
Regards,
Sergey
On Fri, Aug 21, 2020 at 1:18 PM Jürgen Groß <jgross@suse.com> wrote:
>
> On 21.08.20 09:15, Sergey Temerkhanov wrote:
> > Use a dedicated pointer for IRQ data to avoid conflicts with some
> > other parts of the kernel code which my use handler_data for their
> > own purposes while still running on Xen
> >
> > Sergey Temerkhanov (2):
> > Xen: Use a dedicated irq_info structure pointer
> > Xen: Rename irq_info structure
> >
> > drivers/xen/events/events_2l.c | 2 +-
> > drivers/xen/events/events_base.c | 80 +++++++++++++---------------
> > drivers/xen/events/events_fifo.c | 5 +-
> > drivers/xen/events/events_internal.h | 12 ++---
> > include/linux/irq.h | 17 ++++++
> > kernel/irq/chip.c | 14 +++++
> > 6 files changed, 78 insertions(+), 52 deletions(-)
> >
>
> Did you see any specific problem where handler_data is written by
> another component?
>
> In case this is a real problem I don't think your approach will be
> accepted, especially the IRQ subsystem maintainers probably won't
> like it.
>
> And please include the maintainers of the files you are modifying in
> the recipients list of the patch(es).
>
>
> Juergen
next prev parent reply other threads:[~2020-08-21 11:20 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-18 22:09 Xen 4.14.0 is busted on Dell 300x IoT Gateways Roman Shaposhnik
2020-08-18 22:20 ` Andrew Cooper
2020-08-18 22:34 ` Roman Shaposhnik
2020-08-21 1:39 ` Stefano Stabellini
2020-08-21 7:15 ` [PATCH 0/2] Xen: Use a dedicated pointer for IRQ data Sergey Temerkhanov
2020-08-21 7:15 ` [PATCH 1/2] Xen: Use a dedicated irq_info structure pointer Sergey Temerkhanov
2020-08-21 7:15 ` [PATCH 2/2] Xen: Rename irq_info structure Sergey Temerkhanov
2020-08-21 10:18 ` [PATCH 0/2] Xen: Use a dedicated pointer for IRQ data Jürgen Groß
2020-08-21 11:19 ` Sergei Temerkhanov [this message]
2020-08-21 12:17 ` Jürgen Groß
2020-08-21 20:07 ` Thomas Gleixner
2020-08-21 20:38 ` Sergei Temerkhanov
2020-08-22 0:16 ` Thomas Gleixner
2020-08-25 3:14 ` Stefano Stabellini
2020-08-25 8:58 ` Thomas Gleixner
2020-08-25 13:49 ` Jürgen Groß
2020-08-25 15:22 ` [PATCH] xen/events: Use chip data for storing per IRQ XEN data pointer, Thomas Gleixner
2020-08-25 15:43 ` [PATCH] xen/events: Use chip data for storing per IRQ XEN data pointer Jürgen Groß
2020-08-25 22:04 ` Roman Shaposhnik
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