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dkim=pass header.d=suse.com header.s=susede1 header.b=sNil9WMR DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1751444000; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=htojwPjo5A/RDFHxCU3Tp6Z00hTGIFV3R4TmEvlvLDM=; b=sNil9WMRqbOF8i/cIJmCEKpdGC2Y19ZrCU5pJeM5pWZ9nlU78bnsqWJl0bzhaKhg+ascrZ gnY7dJtBfH+C1rVGYZwhKEBR2aFy3CnuZahnuR3JArVYIpGhXAP45D6r2N7UP16xTLwFAY SzsJPYsQO7JP3HhooDfAyuAi2sWK1DY= From: Juergen Gross To: minios-devel@lists.xenproject.org, xen-devel@lists.xenproject.org Cc: samuel.thibault@ens-lyon.org, Juergen Gross Subject: [MINI-OS PATCH 04/19] time: unbind VIRQ_TIMER across kexec Date: Wed, 2 Jul 2025 10:12:39 +0200 Message-ID: <20250702081254.14383-5-jgross@suse.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250702081254.14383-1-jgross@suse.com> References: <20250702081254.14383-1-jgross@suse.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Rspamd-Server: rspamd2.dmz-prg2.suse.org X-Rspamd-Queue-Id: 12C702117F X-Rspamd-Action: no action X-Spam-Flag: NO X-Spamd-Result: default: False [-3.01 / 50.00]; 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charset="utf-8" Deactivate the VIRQ_TIMER event when doing kexec() in order to be able to set it up again in the new kernel. Signed-off-by: Juergen Gross Reviewed-by: Jason Andryuk --- arch/x86/time.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/arch/x86/time.c b/arch/x86/time.c index 52916e15..3a2a1d29 100644 --- a/arch/x86/time.c +++ b/arch/x86/time.c @@ -36,6 +36,7 @@ #include #include #include +#include #include #include =20 @@ -193,3 +194,16 @@ void fini_time(void) HYPERVISOR_set_timer_op(0); unbind_evtchn(port); } + +#ifdef CONFIG_KEXEC +static int unbind_virq_timer(bool undo) +{ + if ( undo ) + init_time(); + else + fini_time(); + + return 0; +} +kexec_call(unbind_virq_timer); +#endif --=20 2.43.0