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Re: [PATCH v4 0/8] limit passing around of cpu_user_regs
- To: "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Tue, 20 Feb 2024 09:58:43 +0100
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- Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, George Dunlap <george.dunlap@xxxxxxxxxx>, Julien Grall <julien@xxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Wei Liu <wl@xxxxxxx>, Michal Orzel <michal.orzel@xxxxxxx>, Bertrand Marquis <bertrand.marquis@xxxxxxx>
- Delivery-date: Tue, 20 Feb 2024 08:58:48 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 20.02.2024 09:51, Jan Beulich wrote:
> Unlike (synchronous) exception handlers, interrupt handlers don't normally
> have a need to know the outer context's register state. Similarly, the vast
> majority of key handlers has no need for such.
>
> 1: serial: fake IRQ-regs context in poll handlers
> 2: keyhandler: drop regs parameter from handle_keyregs()
> 3: serial: drop serial_rx_fn's regs parameter
> 4: PV-shim: drop pv_console_rx()'s regs parameter
> 5: serial: drop serial_[rt]x_interrupt()'s regs parameter
> 6: IRQ: drop regs parameter from handler functions
> 7: x86/APIC: drop regs parameter from direct vector handler functions
> 8: consolidate do_bug_frame() / bug_fn_t
>
> I think it is now only the lack of an ack for the 1st patch which is keeping
> this series from going in.
Actually while sending I noticed that further patch 5 still is in need
of an Arm ack.
Jan
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