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Date: Thu, 15 Apr 2010 13:57:00 +1000 From: "Ian Munsie" <imunsie@....ibm.com> To: linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org Cc: benh@...nel.crashing.org, Masami Hiramatsu <mhiramat@...hat.com>, Heiko Carstens <heiko.carstens@...ibm.com> Subject: [PATCH v3] perf: Split out arch specific code & improve PowerPC perf probe support These patches add the required mappings to use perf probe on PowerPC. Part 1 of the patch series moves the arch dependent x86 32 and 64 bit DWARF register number mappings out into a separate arch directory and adds the necessary Makefile foo to use it. Part 2 of the patch series adds the PowerPC mappings - Functionality wise it requires the patch titled "powerpc: Add kprobe-based event tracer" from the powerpc-next tree to provide the HAVE_REGS_AND_STACK_ACCESS_API required for CONFIG_KPROBE_EVENT. The code will still compile cleanly without it and will fail gracefully at runtime on the missing CONFIG_KPROBE_EVENT support as before as well as printing a warning message during compilation. Changes since v2: From Masami Hiramatsu's feedback DWARF support is disabled altogether if the architecture specific Makefile does not define PERF_HAVE_DWARF_REGS - ie, DWARF register mappings are missing for the architecture. A message indicating this is printed out during compilation. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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