Message ID | 20240921100824.151761-4-jamestiotio@gmail.com |
---|---|
State | Handled Elsewhere |
Headers | show
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([203.116.176.98]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-2dd6ee7c03fsm5680024a91.11.2024.09.21.03.08.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 21 Sep 2024 03:08:39 -0700 (PDT) From: James Raphael Tiovalen <jamestiotio@gmail.com> To: kvm@vger.kernel.org, kvm-riscv@lists.infradead.org Cc: andrew.jones@linux.dev, atishp@rivosinc.com, cade.richard@berkeley.edu, James Raphael Tiovalen <jamestiotio@gmail.com> Subject: [kvm-unit-tests PATCH v5 3/5] lib/on-cpus: Add helper method to clear the function from on_cpu_info Date: Sat, 21 Sep 2024 18:08:21 +0800 Message-ID: <20240921100824.151761-4-jamestiotio@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240921100824.151761-1-jamestiotio@gmail.com> References: <20240921100824.151761-1-jamestiotio@gmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240921_030841_275133_C3F08F94 X-CRM114-Status: GOOD ( 10.89 ) X-Spam-Score: -2.1 (--) X-Spam-Report: Spam detection software, running on the system "bombadil.infradead.org", has NOT identified this incoming email as spam. The original message has been attached to this so you can view it or label similar future email. If you have any questions, see the administrator of that system for details. Content preview: When a CPU abruptly stops during some test, the CPU will not have the chance to go back to the do_idle() loop and set the on_cpu_info[cpu].func variable to NULL. Add a helper method for some test mana [...] Content analysis details: (-2.1 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [2607:f8b0:4864:20:0:0:0:631 listed in] [list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider [jamestiotio(at)gmail.com] X-BeenThere: kvm-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: <kvm-riscv.lists.infradead.org> List-Unsubscribe: <http://lists.infradead.org/mailman/options/kvm-riscv>, <mailto:kvm-riscv-request@lists.infradead.org?subject=unsubscribe> List-Archive: <http://lists.infradead.org/pipermail/kvm-riscv/> List-Post: <mailto:kvm-riscv@lists.infradead.org> List-Help: <mailto:kvm-riscv-request@lists.infradead.org?subject=help> List-Subscribe: <http://lists.infradead.org/mailman/listinfo/kvm-riscv>, <mailto:kvm-riscv-request@lists.infradead.org?subject=subscribe> Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "kvm-riscv" <kvm-riscv-bounces@lists.infradead.org> Errors-To: kvm-riscv-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org |
Series |
riscv: sbi: Add support to test HSM extension
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diff --git a/lib/on-cpus.h b/lib/on-cpus.h index 4bc6236d..497ff9d1 100644 --- a/lib/on-cpus.h +++ b/lib/on-cpus.h @@ -13,5 +13,6 @@ void on_cpu(int cpu, void (*func)(void *data), void *data); void on_cpus(void (*func)(void *data), void *data); void on_cpumask_async(const cpumask_t *mask, void (*func)(void *data), void *data); void on_cpumask(const cpumask_t *mask, void (*func)(void *data), void *data); +void on_cpu_clear_func(int cpu); #endif /* _ON_CPUS_H_ */ diff --git a/lib/on-cpus.c b/lib/on-cpus.c index 89214933..cc73690a 100644 --- a/lib/on-cpus.c +++ b/lib/on-cpus.c @@ -171,3 +171,14 @@ void on_cpus(void (*func)(void *data), void *data) { on_cpumask(&cpu_present_mask, func, data); } + +void on_cpu_clear_func(int cpu) +{ + for (;;) { + if (get_on_cpu_info(cpu)) + break; + } + + on_cpu_info[cpu].func = NULL; + put_on_cpu_info(cpu); +}
When a CPU abruptly stops during some test, the CPU will not have the chance to go back to the do_idle() loop and set the on_cpu_info[cpu].func variable to NULL. Add a helper method for some test manager CPU to clear this function. This would re-enable on_cpu_async and allow future tests to use the on-cpus API again. Signed-off-by: James Raphael Tiovalen <jamestiotio@gmail.com> --- lib/on-cpus.h | 1 + lib/on-cpus.c | 11 +++++++++++ 2 files changed, 12 insertions(+)