From: Jan Beulich <jbeulich@suse.com>
To: Roger Pau Monne <roger@xenproject.org>
Cc: Grygorii Strashko <grygorii_strashko@epam.com>,
Andrew Cooper <andrew.cooper3@citrix.com>,
Teddy Astie <teddy.astie@vates.tech>,
xen-devel@lists.xenproject.org
Subject: Re: [PATCH] x86/domain: restrict context switch hooks for the idle domain
Date: Fri, 2 Oct 2026 07:45:07 +0200 [thread overview]
Message-ID: <f3754c45-7899-4e76-bb29-dc8deca0903b@suse.com> (raw)
In-Reply-To: <20261001142757.98255-1-roger@xenproject.org>
On 01.10.2026 16:27, Roger Pau Monne wrote:
> --- a/xen/arch/x86/domain.c
> +++ b/xen/arch/x86/domain.c
> @@ -813,8 +813,6 @@ static bool emulation_flags_ok(const struct domain *d, uint32_t emflags)
> void __init arch_init_idle_domain(struct domain *d)
> {
> static const struct arch_csw idle_csw = {
> - .from = paravirt_ctxt_switch_from,
> - .to = paravirt_ctxt_switch_to,
> .tail = idle_loop,
> };
Leaving NULL pointers around isn't a good thing, though. May I suggest to
at least poison the pointers then?
Jan
next prev parent reply other threads:[~2026-10-02 5:45 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-01 14:27 [PATCH] x86/domain: restrict context switch hooks for the idle domain Roger Pau Monne
2026-10-01 15:17 ` Juergen Gross
2026-10-01 17:23 ` Jason Andryuk
2026-10-02 5:45 ` Jan Beulich [this message]
2026-10-02 7:48 ` Roger Pau Monné
2026-10-02 7:55 ` Jan Beulich
2026-10-02 8:05 ` Roger Pau Monné
2026-10-02 8:09 ` Jan Beulich
2026-10-02 9:23 ` Roger Pau Monné
2026-10-02 9:29 ` Roger Pau Monné
2026-10-02 9:35 ` Jan Beulich
2026-10-02 9:49 ` Roger Pau Monné
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