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x-sender="postmaster@mail.citrix.com"; x-conformance=sidf_compatible IronPort-SDR: HYiBlN1acpkIYYPk+hQulzDR2si6wL+vLynDb1l0xwjGv2bxjXMmkC4U8l76zYuXEUcWiq1CVq 3c54gYhWZijx+QGYcVE8VEy2CYls7dAPYhNO5CGyhrbnnObd8w00JFh+6/BMIOQqTJIaBiEYLd S5VlnSwcLSGwU7QQsXJ+Wq0fP0713gKuy+FsQJ6Q8PdCT4V9B2kHnNEcLLtWqI2uk3Ukda67RQ Y92kp9AE6p+FfhfhOtdliH+njBeWChyUDcj7wrTbVcT8kQBUxtEe7JskkCie094Z7tPlEn9oed hgY= X-SBRS: 2.7 X-MesageID: 8268646 X-Ironport-Server: esa1.hc3370-68.iphmx.com X-Remote-IP: 162.221.158.21 X-Policy: $RELAYED X-IronPort-AV: E=Sophos;i="5.68,293,1569297600"; d="scan'208";a="8268646" From: Andrew Cooper To: Xen-devel Date: Mon, 11 Nov 2019 20:55:14 +0000 Message-ID: <20191111205514.2779-1-andrew.cooper3@citrix.com> X-Mailer: git-send-email 2.11.0 MIME-Version: 1.0 Subject: [Xen-devel] [PATCH] AMD/IOMMU: Fix passthrough following c/s d7cfeb7c13e X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: Juergen Gross , Andrew Cooper , Jennifer Herbert , Jan Beulich Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) "AMD/IOMMU: don't blindly allocate interrupt remapping tables" introduces a call at runtime from amd_iommu_add_device() to amd_iommu_set_intremap_table= () which is still marked as __init. On one AMD Rome machine we have, this results in a crash the moment we try = to use an SR-IOV VF in a VM. Reported-by: Jennifer Herbert Signed-off-by: Andrew Cooper Reviewed-by: Jan Beulich --- CC: Jan Beulich CC: Juergen Gross For 4.13. This is a regression vs 4.12 --- xen/drivers/passthrough/amd/iommu_map.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/xen/drivers/passthrough/amd/iommu_map.c b/xen/drivers/passthro= ugh/amd/iommu_map.c index 2859d8257e..f3fcfb9e0f 100644 --- a/xen/drivers/passthrough/amd/iommu_map.c +++ b/xen/drivers/passthrough/amd/iommu_map.c @@ -112,7 +112,7 @@ void amd_iommu_set_root_page_table(struct amd_iommu_dte= *dte, dte->v =3D valid; } =20 -void __init amd_iommu_set_intremap_table( +void amd_iommu_set_intremap_table( struct amd_iommu_dte *dte, const void *ptr, const struct amd_iommu *iommu, bool valid) { --=20 2.11.0 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel