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Wed, 10 Dec 2025 18:56:33 -0800 (PST) From: Jay Chang To: qemu-devel@nongnu.org, qemu-riscv@nongnu.org Cc: Palmer Dabbelt , Alistair Francis , Weiwei Li , Daniel Henrique Barboza , Liu Zhiwei , Jay Chang , Frank Chang Subject: [PATCH 2/2] hw/riscv: Refactor riscv_iommu_ctx_put() for Bare mode handling Date: Thu, 11 Dec 2025 10:56:11 +0800 Message-ID: <20251211025611.99038-3-jay.chang@sifive.com> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20251211025611.99038-1-jay.chang@sifive.com> References: <20251211025611.99038-1-jay.chang@sifive.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::102f; envelope-from=jay.chang@sifive.com; helo=mail-pj1-x102f.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, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, 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: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @sifive.com) X-ZM-MESSAGEID: 1765421858568158500 Content-Type: text/plain; charset="utf-8" Align SPEC: Bare mode contexts are not cached, so they require direct memory deallocation via g_free instead of hash table cleanup. Signed-off-by: Jay Chang Reviewed-by: Frank Chang --- hw/riscv/riscv-iommu.c | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) diff --git a/hw/riscv/riscv-iommu.c b/hw/riscv/riscv-iommu.c index 79eee2e85e..fca5763858 100644 --- a/hw/riscv/riscv-iommu.c +++ b/hw/riscv/riscv-iommu.c @@ -1344,7 +1344,16 @@ static RISCVIOMMUContext *riscv_iommu_ctx(RISCVIOMMU= State *s, =20 static void riscv_iommu_ctx_put(RISCVIOMMUState *s, void *ref) { - if (ref) { + unsigned mode =3D get_field(s->ddtp, RISCV_IOMMU_DDTP_MODE); + + if (!ref) { + return; + } + + /* ref is pointing to ctx in Bare mode. Bare mode ctx is not cached */ + if (mode =3D=3D RISCV_IOMMU_DDTP_MODE_BARE) { + g_free(ref); + } else { g_hash_table_unref((GHashTable *)ref); } } --=20 2.48.1