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GET /api/patches/2215661/?format=api
{ "id": 2215661, "url": "http://patchwork.ozlabs.org/api/patches/2215661/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260325014856.58948-1-jay.chang@sifive.com/", "project": { "id": 14, "url": "http://patchwork.ozlabs.org/api/projects/14/?format=api", "name": "QEMU Development", "link_name": "qemu-devel", "list_id": "qemu-devel.nongnu.org", "list_email": "qemu-devel@nongnu.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260325014856.58948-1-jay.chang@sifive.com>", "list_archive_url": null, "date": "2026-03-25T01:48:56", "name": "[v2] hw/riscv/riscv-iommu: Use standard EN_PRI bit for PRI", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "7d945b5c53e70e3def19d5dec0448375d1d5d252", "submitter": { "id": 90508, "url": "http://patchwork.ozlabs.org/api/people/90508/?format=api", "name": "Jay Chang", "email": "jay.chang@sifive.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260325014856.58948-1-jay.chang@sifive.com/mbox/", "series": [ { "id": 497374, "url": "http://patchwork.ozlabs.org/api/series/497374/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=497374", "date": "2026-03-25T01:48:56", "name": "[v2] hw/riscv/riscv-iommu: Use standard EN_PRI bit for PRI", "version": 2, "mbox": "http://patchwork.ozlabs.org/series/497374/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2215661/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2215661/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=sifive.com header.i=@sifive.com header.a=rsa-sha256\n header.s=google header.b=NUeX29a4;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; 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helo=mail-pg1-x52b.google.com", "X-Spam_score_int": "-20", "X-Spam_score": "-2.1", "X-Spam_bar": "--", "X-Spam_report": "(-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1,\n DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1,\n RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001,\n SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no", "X-Spam_action": "no action", "X-BeenThere": "qemu-devel@nongnu.org", "X-Mailman-Version": "2.1.29", "Precedence": "list", "List-Id": "qemu development <qemu-devel.nongnu.org>", "List-Unsubscribe": "<https://lists.nongnu.org/mailman/options/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>", "List-Archive": "<https://lists.nongnu.org/archive/html/qemu-devel>", "List-Post": "<mailto:qemu-devel@nongnu.org>", "List-Help": "<mailto:qemu-devel-request@nongnu.org?subject=help>", "List-Subscribe": "<https://lists.nongnu.org/mailman/listinfo/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=subscribe>", "Errors-To": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org", "Sender": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org" }, "content": "Replace the temporary custom extension bit (TC[32]) with the\nstandard EN_PRI bit defined in RISC-V IOMMU specification.\n\nSigned-off-by: Jay Chang <jay.chang@sifive.com>\nReviewed-by: Frank Chang <frank.chang@sifive.com>\nReviewed-by: Nutty Liu <nutty.liu@hotmail.com>\n\nChange in V2:\n Align code\n\nSigned-off-by: Jay Chang <jay.chang@sifive.com>\n---\n hw/riscv/riscv-iommu.c | 7 ++-----\n 1 file changed, 2 insertions(+), 5 deletions(-)", "diff": "diff --git a/hw/riscv/riscv-iommu.c b/hw/riscv/riscv-iommu.c\nindex 225394ea83..30343e98d0 100644\n--- a/hw/riscv/riscv-iommu.c\n+++ b/hw/riscv/riscv-iommu.c\n@@ -1572,11 +1572,8 @@ static int riscv_iommu_translate(RISCVIOMMUState *s, RISCVIOMMUContext *ctx,\n riscv_iommu_hpm_incr_ctr(s, ctx, RISCV_IOMMU_HPMEVENT_URQ);\n \n iot_cache = g_hash_table_ref(s->iot_cache);\n- /*\n- * TC[32] is reserved for custom extensions, used here to temporarily\n- * enable automatic page-request generation for ATS queries.\n- */\n- enable_pri = (iotlb->perm == IOMMU_NONE) && (ctx->tc & BIT_ULL(32));\n+ enable_pri = (iotlb->perm == IOMMU_NONE) &&\n+ (ctx->tc & RISCV_IOMMU_DC_TC_EN_PRI);\n enable_pid = (ctx->tc & RISCV_IOMMU_DC_TC_PDTV);\n \n /* Check for ATS request. */\n", "prefixes": [ "v2" ] }