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commit9d5dcc93a6upstream. PEBS_REGS used as mask for the supported registers for large PEBS. However, the mask cannot filter the sample_regs_user/sample_regs_intr correctly. (1ULL << PERF_REG_X86_*) should be used to replace PERF_REG_X86_*, which is only the index. Rename PEBS_REGS to PEBS_GP_REGS, because the mask is only for general purpose registers. Signed-off-by: Kan Liang <kan.liang@linux.intel.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: <stable@vger.kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Vince Weaver <vincent.weaver@maine.edu> Cc: acme@kernel.org Cc: jolsa@kernel.org Fixes:2fe1bc1f50("perf/x86: Enable free running PEBS for REGS_USER/INTR") Link: https://lkml.kernel.org/r/20190402194509.2832-2-kan.liang@linux.intel.com [ Renamed it to PEBS_GP_REGS - as 'GPRS' is used elsewhere ;-) ] Signed-off-by: Ingo Molnar <mingo@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.