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Peter Anvin" , Borislav Petkov , Dave Hansen , Ingo Molnar , Thomas Gleixner Subject: [PATCH 0/3] x86: Provide a vdso for getcpu on x86-32. Date: Fri, 25 Nov 2022 10:42:13 +0100 Message-Id: <20221125094216.3663444-1-bigeasy@linutronix.de> MIME-Version: 1.0 X-Spam-Status: No, score=-4.4 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_MED,SPF_HELO_NONE, SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1750460835239955497?= X-GMAIL-MSGID: =?utf-8?q?1750460835239955497?= This tiny series provides getcpu in vdso on x86-32. Due to the setup RDTSCP now also returns CPU and node information like x86-64 does. The usage of RDTSCP + vdso has been tested in a VM with 64bit kernel and 32bit binary and a 32bit kernel. Sebastian