From: wangxingang <wangxingang5@huawei.com>
To: "eric.auger@redhat.com" <eric.auger@redhat.com>
Cc: Xieyingtai <xieyingtai@huawei.com>,
"jean-philippe@linaro.org" <jean-philippe@linaro.org>,
"kvm@vger.kernel.org" <kvm@vger.kernel.org>,
"vivek.gautam@arm.com" <vivek.gautam@arm.com>,
"maz@kernel.org" <maz@kernel.org>,
"joro@8bytes.org" <joro@8bytes.org>,
"will@kernel.org" <will@kernel.org>,
"iommu@lists.linux-foundation.org"
<iommu@lists.linux-foundation.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"alex.williamson@redhat.com" <alex.williamson@redhat.com>,
"zhangfei.gao@linaro.org" <zhangfei.gao@linaro.org>,
"robin.murphy@arm.com" <robin.murphy@arm.com>,
"kvmarm@lists.cs.columbia.edu" <kvmarm@lists.cs.columbia.edu>,
"eric.auger.pro@gmail.com" <eric.auger.pro@gmail.com>
Subject: Re: [PATCH v13 07/15] iommu/smmuv3: Allow stage 1 invalidation with unmanaged ASIDs
Date: Tue, 1 Dec 2020 12:54:02 +0000 [thread overview]
Message-ID: <79530f9bac8d49448ba871586e1c6c4b@huawei.com> (raw)
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Hi Eric
On Wed, 18 Nov 2020 12:21:43, Eric Auger wrote:
>@@ -1710,7 +1710,11 @@ static void arm_smmu_tlb_inv_context(void *cookie)
> * insertion to guarantee those are observed before the TLBI. Do be
> * careful, 007.
> */
>- if (smmu_domain->stage == ARM_SMMU_DOMAIN_S1) {
>+ if (ext_asid >= 0) { /* guest stage 1 invalidation */
>+ cmd.opcode = CMDQ_OP_TLBI_NH_ASID;
>+ cmd.tlbi.asid = ext_asid;
>+ cmd.tlbi.vmid = smmu_domain->s2_cfg.vmid;
>+ } else if (smmu_domain->stage == ARM_SMMU_DOMAIN_S1) {
Found a problem here, the cmd for guest stage 1 invalidation is built,
but it is not delivered to smmu.
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next reply other threads:[~2020-12-02 12:25 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-01 12:54 wangxingang [this message]
-- strict thread matches above, loose matches on Subject: below --
2020-11-18 11:21 [PATCH v13 00/15] SMMUv3 Nested Stage Setup (IOMMU part) Eric Auger
2020-11-18 11:21 ` [PATCH v13 07/15] iommu/smmuv3: Allow stage 1 invalidation with unmanaged ASIDs Eric Auger
2020-12-01 13:33 ` Xingang Wang
2020-12-01 13:58 ` Auger Eric
2020-12-02 12:59 ` Wang Xingang
2020-12-03 18:42 ` Shameerali Kolothum Thodi
2020-12-04 9:53 ` Jean-Philippe Brucker
2020-12-04 10:20 ` Shameerali Kolothum Thodi
2020-12-04 10:23 ` Auger Eric
2021-01-14 16:58 ` Auger Eric
2021-01-14 17:09 ` Shameerali Kolothum Thodi
2021-01-14 17:33 ` Jean-Philippe Brucker
2021-01-14 18:00 ` Auger Eric
2021-02-15 13:17 ` Auger Eric
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