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[2.34.36.22]) by smtp.gmail.com with ESMTPSA id y4sm4084031ejr.101.2021.09.14.16.54.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 14 Sep 2021 16:54:02 -0700 (PDT) From: Matteo Croce To: bpf@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko , Yonghong Song Subject: [PATCH bpf-next v2] bpf: update bpf_get_smp_processor_id() documentation Date: Wed, 15 Sep 2021 01:54:00 +0200 Message-Id: <20210914235400.59427-1-mcroce@linux.microsoft.com> X-Mailer: git-send-email 2.31.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Matteo Croce BPF programs run with migration disabled regardless of preemption, as they are protected by migrate_disable(). Update the documentation accordingly. Signed-off-by: Matteo Croce --- include/uapi/linux/bpf.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/uapi/linux/bpf.h b/include/uapi/linux/bpf.h index d21326558d42..3e9785f1064a 100644 --- a/include/uapi/linux/bpf.h +++ b/include/uapi/linux/bpf.h @@ -1629,7 +1629,7 @@ union bpf_attr { * u32 bpf_get_smp_processor_id(void) * Description * Get the SMP (symmetric multiprocessing) processor id. Note that - * all programs run with preemption disabled, which means that the + * all programs run with migration disabled, which means that the * SMP processor id is stable during all the execution of the * program. * Return -- 2.31.1