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Wed, 20 Nov 2024 03:36:00 -0800 (PST) From: Roger Pau Monne To: xen-devel@lists.xenproject.org Cc: Roger Pau Monne , Jan Beulich , Andrew Cooper Subject: [PATCH 2/2] x86/pvh: also print hardware domain pIRQ limit for PVH Date: Wed, 20 Nov 2024 12:35:55 +0100 Message-ID: <20241120113555.38146-3-roger.pau@citrix.com> X-Mailer: git-send-email 2.46.0 In-Reply-To: <20241120113555.38146-1-roger.pau@citrix.com> References: <20241120113555.38146-1-roger.pau@citrix.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @citrix.com) X-ZM-MESSAGEID: 1732102589813116600 Do not return early in the PVH/HVM case, so that the number of pIRQs is also printed. Fixes: 17f6d398f765 ('cmdline: document and enforce "extra_guest_irqs" uppe= r bounds') Signed-off-by: Roger Pau Monn=C3=A9 Reviewed-by: Andrew Cooper --- xen/arch/x86/io_apic.c | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-) diff --git a/xen/arch/x86/io_apic.c b/xen/arch/x86/io_apic.c index bd5ad61c85e4..d9db2efc4f58 100644 --- a/xen/arch/x86/io_apic.c +++ b/xen/arch/x86/io_apic.c @@ -2754,11 +2754,13 @@ unsigned int __hwdom_init arch_hwdom_irqs(const str= uct domain *d) =20 /* PVH (generally: HVM) can't use PHYSDEVOP_pirq_eoi_gmfn_v{1,2}. */ if ( is_hvm_domain(d) ) - return nr_irqs; - - if ( !d->domain_id ) - n =3D min(n, dom0_max_vcpus()); - n =3D min(nr_irqs_gsi + n * NR_DYNAMIC_VECTORS, max_irqs); + n =3D nr_irqs; + else + { + if ( !d->domain_id ) + n =3D min(n, dom0_max_vcpus()); + n =3D min(nr_irqs_gsi + n * NR_DYNAMIC_VECTORS, max_irqs); + } =20 printk("%pd has maximum %u PIRQs\n", d, n); =20 --=20 2.46.0