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Smith" To: xen-devel@lists.xenproject.org Cc: "Daniel P. Smith" , jason.andryuk@amd.com, stefano.stabellini@amd.com, agarciav@amd.com, Jan Beulich , Andrew Cooper , =?UTF-8?q?Roger=20Pau=20Monn=C3=A9?= Subject: [RFC 15/38] x86/hyperlaunch: move iommu init to domain builder Date: Sat, 19 Apr 2025 18:07:57 -0400 Message-Id: <20250419220820.4234-16-dpsmith@apertussolutions.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20250419220820.4234-1-dpsmith@apertussolutions.com> References: <20250419220820.4234-1-dpsmith@apertussolutions.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoMailClient: External X-ZohoMail-DKIM: pass (identity dpsmith@apertussolutions.com) X-ZM-MESSAGEID: 1745101333306019000 Content-Type: text/plain; charset="utf-8" Move invocation of iommu_hwdom_init() to dom_construct_pvh() and guard it with a hardware domain check. Signed-off-by: Daniel P. Smith --- xen/arch/x86/hvm/dom0_build.c | 2 -- xen/arch/x86/hvm/dom_build.c | 4 ++++ 2 files changed, 4 insertions(+), 2 deletions(-) diff --git a/xen/arch/x86/hvm/dom0_build.c b/xen/arch/x86/hvm/dom0_build.c index 4a371dfd66d7..a68474b7856a 100644 --- a/xen/arch/x86/hvm/dom0_build.c +++ b/xen/arch/x86/hvm/dom0_build.c @@ -1305,8 +1305,6 @@ int __init dom0_construct_pvh(struct boot_domain *bd) struct domain *d =3D bd->d; int rc; =20 - iommu_hwdom_init(d); - rc =3D pvh_populate_p2m(d); if ( rc ) { diff --git a/xen/arch/x86/hvm/dom_build.c b/xen/arch/x86/hvm/dom_build.c index 05064ae9ba96..7fa007a6926d 100644 --- a/xen/arch/x86/hvm/dom_build.c +++ b/xen/arch/x86/hvm/dom_build.c @@ -9,6 +9,7 @@ */ =20 #include +#include #include #include #include @@ -92,6 +93,9 @@ int __init dom_construct_pvh(struct boot_domain *bd) */ pvh_init_p2m(bd); =20 + if ( is_hardware_domain(bd->d) ) + iommu_hwdom_init(bd->d); + return dom0_construct_pvh(bd); } =20 --=20 2.30.2