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Date: Thu, 14 Jan 2021 17:04:24 +0530
From: Viresh Kumar <viresh.kumar@...aro.org>
To: Linus Torvalds <torvalds@...ux-foundation.org>,
Robert Richter <rric@...nel.org>
Cc: Viresh Kumar <viresh.kumar@...aro.org>,
Vincent Guittot <vincent.guittot@...aro.org>,
Arnd Bergmann <arnd@...nel.org>, oprofile-list@...ts.sf.net,
William Cohen <wcohen@...hat.com>,
Alexander Viro <viro@...iv.linux.org.uk>,
anmar.oueja@...aro.org
Subject: [PATCH 00/18] drivers: Remove oprofile and dcookies
Hello,
The "oprofile" user-space tools don't use the kernel OPROFILE support
any more, and haven't in a long time. User-space has been converted to
the perf interfaces.
Remove oprofile and dcookies (whose only user is oprofile) support from
the kernel.
This was suggested here [1] earlier.
This is build/boot tested by kernel test robot (Intel) and Linaro's
Tuxmake[2] for a lot of architectures and no failures were reported.
--
Viresh
[1] https://lore.kernel.org/lkml/CAHk-=whw9t3ZtV8iA2SJWYQS1VOJuS14P_qhj3v5-9PCBmGQww@mail.gmail.com/
[2] https://lwn.net/Articles/841624/
Viresh Kumar (18):
arch: alpha: Remove CONFIG_OPROFILE support
arch: arm: Remove CONFIG_OPROFILE support
arch: arc: Remove CONFIG_OPROFILE support
arch: hexagon: Don't select HAVE_OPROFILE
arch: ia64: Remove CONFIG_OPROFILE support
arch: ia64: Remove rest of perfmon support
arch: microblaze: Remove CONFIG_OPROFILE support
arch: mips: Remove CONFIG_OPROFILE support
arch: parisc: Remove CONFIG_OPROFILE support
arch: powerpc: Stop building and using oprofile
arch: powerpc: Remove oprofile
arch: s390: Remove CONFIG_OPROFILE support
arch: sh: Remove CONFIG_OPROFILE support
arch: sparc: Remove CONFIG_OPROFILE support
arch: x86: Remove CONFIG_OPROFILE support
arch: xtensa: Remove CONFIG_OPROFILE support
drivers: Remove CONFIG_OPROFILE support
fs: Remove dcookies support
Documentation/RCU/NMI-RCU.rst | 3 +-
.../admin-guide/kernel-parameters.txt | 14 -
Documentation/kbuild/makefiles.rst | 1 -
Documentation/process/magic-number.rst | 1 -
.../it_IT/process/magic-number.rst | 1 -
.../zh_CN/process/magic-number.rst | 1 -
MAINTAINERS | 11 -
arch/Kconfig | 32 -
arch/alpha/Kconfig | 1 -
arch/alpha/Makefile | 1 -
arch/alpha/oprofile/Makefile | 20 -
arch/alpha/oprofile/common.c | 189 --
arch/alpha/oprofile/op_impl.h | 55 -
arch/alpha/oprofile/op_model_ev4.c | 114 --
arch/alpha/oprofile/op_model_ev5.c | 209 --
arch/alpha/oprofile/op_model_ev6.c | 101 -
arch/alpha/oprofile/op_model_ev67.c | 261 ---
arch/arc/Kconfig | 1 -
arch/arc/Makefile | 2 -
arch/arc/oprofile/Makefile | 10 -
arch/arc/oprofile/common.c | 23 -
arch/arm/Kconfig | 1 -
arch/arm/Makefile | 2 -
arch/arm/configs/bcm2835_defconfig | 1 -
arch/arm/configs/cns3420vb_defconfig | 1 -
arch/arm/configs/corgi_defconfig | 1 -
arch/arm/configs/imx_v4_v5_defconfig | 1 -
arch/arm/configs/keystone_defconfig | 1 -
arch/arm/configs/multi_v5_defconfig | 1 -
arch/arm/configs/mv78xx0_defconfig | 1 -
arch/arm/configs/mvebu_v5_defconfig | 1 -
arch/arm/configs/omap1_defconfig | 1 -
arch/arm/configs/omap2plus_defconfig | 1 -
arch/arm/configs/orion5x_defconfig | 1 -
arch/arm/configs/pxa_defconfig | 1 -
arch/arm/configs/qcom_defconfig | 1 -
arch/arm/configs/socfpga_defconfig | 1 -
arch/arm/configs/spitz_defconfig | 1 -
arch/arm/configs/vexpress_defconfig | 1 -
arch/arm/oprofile/Makefile | 14 -
arch/arm/oprofile/common.c | 132 --
arch/hexagon/Kconfig | 1 -
arch/ia64/Kconfig | 1 -
arch/ia64/Makefile | 1 -
arch/ia64/configs/bigsur_defconfig | 1 -
arch/ia64/include/asm/hw_irq.h | 1 -
arch/ia64/include/asm/perfmon.h | 111 --
arch/ia64/include/uapi/asm/perfmon.h | 178 --
.../include/uapi/asm/perfmon_default_smpl.h | 84 -
arch/ia64/kernel/palinfo.c | 41 -
arch/ia64/kernel/perfmon_default_smpl.c | 297 ---
arch/ia64/kernel/perfmon_generic.h | 46 -
arch/ia64/kernel/perfmon_itanium.h | 2 +-
arch/ia64/kernel/perfmon_mckinley.h | 188 --
arch/ia64/kernel/perfmon_montecito.h | 270 ---
arch/ia64/oprofile/Makefile | 10 -
arch/ia64/oprofile/backtrace.c | 131 --
arch/ia64/oprofile/init.c | 28 -
arch/microblaze/Kconfig | 1 -
arch/microblaze/Makefile | 2 -
arch/microblaze/oprofile/Makefile | 14 -
.../microblaze/oprofile/microblaze_oprofile.c | 22 -
arch/mips/Kconfig | 3 +-
arch/mips/Makefile | 1 -
arch/mips/configs/fuloong2e_defconfig | 1 -
arch/mips/configs/ip32_defconfig | 1 -
arch/mips/configs/lemote2f_defconfig | 1 -
arch/mips/configs/mtx1_defconfig | 1 -
arch/mips/configs/rs90_defconfig | 1 -
.../include/asm/mach-loongson2ef/loongson.h | 9 -
arch/mips/loongson2ef/fuloong-2e/irq.c | 2 +-
arch/mips/loongson2ef/lemote-2f/irq.c | 1 -
arch/mips/oprofile/Makefile | 18 -
arch/mips/oprofile/backtrace.c | 177 --
arch/mips/oprofile/common.c | 147 --
arch/mips/oprofile/op_impl.h | 41 -
arch/mips/oprofile/op_model_loongson2.c | 161 --
arch/mips/oprofile/op_model_loongson3.c | 213 --
arch/mips/oprofile/op_model_mipsxx.c | 479 -----
arch/parisc/Kconfig | 1 -
arch/parisc/Makefile | 2 -
arch/parisc/oprofile/Makefile | 10 -
arch/parisc/oprofile/init.c | 23 -
arch/powerpc/Kconfig | 1 -
arch/powerpc/Makefile | 2 -
arch/powerpc/configs/44x/akebono_defconfig | 1 -
arch/powerpc/configs/44x/currituck_defconfig | 1 -
arch/powerpc/configs/44x/fsp2_defconfig | 1 -
arch/powerpc/configs/44x/iss476-smp_defconfig | 1 -
arch/powerpc/configs/cell_defconfig | 1 -
arch/powerpc/configs/g5_defconfig | 1 -
arch/powerpc/configs/maple_defconfig | 1 -
arch/powerpc/configs/pasemi_defconfig | 1 -
arch/powerpc/configs/pmac32_defconfig | 1 -
arch/powerpc/configs/powernv_defconfig | 1 -
arch/powerpc/configs/ppc64_defconfig | 1 -
arch/powerpc/configs/ppc64e_defconfig | 1 -
arch/powerpc/configs/ppc6xx_defconfig | 1 -
arch/powerpc/configs/ps3_defconfig | 1 -
arch/powerpc/configs/pseries_defconfig | 1 -
arch/powerpc/include/asm/cputable.h | 20 -
arch/powerpc/include/asm/oprofile_impl.h | 135 --
arch/powerpc/include/asm/spu.h | 33 -
arch/powerpc/kernel/cputable.c | 67 -
arch/powerpc/kernel/dt_cpu_ftrs.c | 2 -
arch/powerpc/oprofile/Makefile | 19 -
arch/powerpc/oprofile/backtrace.c | 120 --
arch/powerpc/oprofile/cell/pr_util.h | 110 --
arch/powerpc/oprofile/cell/spu_profiler.c | 248 ---
arch/powerpc/oprofile/cell/spu_task_sync.c | 657 -------
arch/powerpc/oprofile/cell/vma_map.c | 279 ---
arch/powerpc/oprofile/common.c | 243 ---
arch/powerpc/oprofile/op_model_7450.c | 207 --
arch/powerpc/oprofile/op_model_cell.c | 1709 -----------------
arch/powerpc/oprofile/op_model_fsl_emb.c | 380 ----
arch/powerpc/oprofile/op_model_pa6t.c | 227 ---
arch/powerpc/oprofile/op_model_power4.c | 438 -----
arch/powerpc/platforms/cell/Kconfig | 5 -
arch/powerpc/platforms/cell/spu_notify.c | 55 -
arch/powerpc/platforms/cell/spufs/run.c | 4 +-
arch/powerpc/platforms/cell/spufs/sched.c | 5 -
arch/powerpc/platforms/cell/spufs/spufs.h | 1 -
arch/s390/Kconfig | 1 -
arch/s390/Makefile | 3 -
arch/s390/configs/debug_defconfig | 1 -
arch/s390/configs/defconfig | 1 -
arch/s390/oprofile/Makefile | 10 -
arch/s390/oprofile/init.c | 37 -
arch/sh/Kconfig | 1 -
arch/sh/Makefile | 1 -
arch/sh/configs/espt_defconfig | 1 -
arch/sh/configs/migor_defconfig | 1 -
arch/sh/configs/r7780mp_defconfig | 1 -
arch/sh/configs/r7785rp_defconfig | 1 -
arch/sh/configs/rsk7201_defconfig | 1 -
arch/sh/configs/rsk7203_defconfig | 1 -
arch/sh/configs/rts7751r2d1_defconfig | 1 -
arch/sh/configs/rts7751r2dplus_defconfig | 1 -
arch/sh/configs/sdk7786_defconfig | 1 -
arch/sh/configs/se7206_defconfig | 1 -
arch/sh/configs/sh03_defconfig | 1 -
arch/sh/configs/sh7724_generic_defconfig | 1 -
arch/sh/configs/sh7763rdp_defconfig | 1 -
arch/sh/configs/sh7770_generic_defconfig | 1 -
arch/sh/configs/shx3_defconfig | 1 -
arch/sh/oprofile/Makefile | 16 -
arch/sh/oprofile/backtrace.c | 80 -
arch/sh/oprofile/common.c | 64 -
arch/sparc/Kconfig | 1 -
arch/sparc/Makefile | 1 -
arch/sparc/configs/sparc64_defconfig | 1 -
arch/sparc/oprofile/Makefile | 10 -
arch/sparc/oprofile/init.c | 87 -
arch/x86/Kconfig | 1 -
arch/x86/Makefile | 3 -
arch/x86/include/asm/nmi.h | 1 -
arch/x86/kernel/cpu/perfctr-watchdog.c | 11 +-
arch/x86/oprofile/Makefile | 12 -
arch/x86/oprofile/backtrace.c | 127 --
arch/x86/oprofile/init.c | 38 -
arch/x86/oprofile/nmi_int.c | 780 --------
arch/x86/oprofile/op_counter.h | 30 -
arch/x86/oprofile/op_model_amd.c | 542 ------
arch/x86/oprofile/op_model_p4.c | 723 -------
arch/x86/oprofile/op_model_ppro.c | 245 ---
arch/x86/oprofile/op_x86_model.h | 90 -
arch/xtensa/Kconfig | 1 -
arch/xtensa/Makefile | 1 -
arch/xtensa/configs/audio_kc705_defconfig | 1 -
arch/xtensa/configs/generic_kc705_defconfig | 1 -
arch/xtensa/configs/smp_lx200_defconfig | 1 -
arch/xtensa/configs/xip_kc705_defconfig | 1 -
arch/xtensa/kernel/stacktrace.c | 2 +-
arch/xtensa/oprofile/Makefile | 10 -
arch/xtensa/oprofile/backtrace.c | 27 -
arch/xtensa/oprofile/init.c | 26 -
drivers/oprofile/buffer_sync.c | 591 ------
drivers/oprofile/buffer_sync.h | 22 -
drivers/oprofile/cpu_buffer.c | 465 -----
drivers/oprofile/cpu_buffer.h | 121 --
drivers/oprofile/event_buffer.c | 209 --
drivers/oprofile/event_buffer.h | 40 -
drivers/oprofile/nmi_timer_int.c | 157 --
drivers/oprofile/oprof.c | 286 ---
drivers/oprofile/oprof.h | 50 -
drivers/oprofile/oprofile_files.c | 201 --
drivers/oprofile/oprofile_perf.c | 328 ----
drivers/oprofile/oprofile_stats.c | 84 -
drivers/oprofile/oprofile_stats.h | 33 -
drivers/oprofile/oprofilefs.c | 300 ---
drivers/oprofile/timer_int.c | 122 --
fs/Makefile | 1 -
fs/dcookies.c | 356 ----
include/linux/dcookies.h | 69 -
include/linux/oprofile.h | 209 --
init/Kconfig | 2 +-
kernel/sys.c | 1 -
usr/include/Makefile | 2 -
198 files changed, 8 insertions(+), 15566 deletions(-)
delete mode 100644 arch/alpha/oprofile/Makefile
delete mode 100644 arch/alpha/oprofile/common.c
delete mode 100644 arch/alpha/oprofile/op_impl.h
delete mode 100644 arch/alpha/oprofile/op_model_ev4.c
delete mode 100644 arch/alpha/oprofile/op_model_ev5.c
delete mode 100644 arch/alpha/oprofile/op_model_ev6.c
delete mode 100644 arch/alpha/oprofile/op_model_ev67.c
delete mode 100644 arch/arc/oprofile/Makefile
delete mode 100644 arch/arc/oprofile/common.c
delete mode 100644 arch/arm/oprofile/Makefile
delete mode 100644 arch/arm/oprofile/common.c
delete mode 100644 arch/ia64/include/asm/perfmon.h
delete mode 100644 arch/ia64/include/uapi/asm/perfmon.h
delete mode 100644 arch/ia64/include/uapi/asm/perfmon_default_smpl.h
delete mode 100644 arch/ia64/kernel/perfmon_default_smpl.c
delete mode 100644 arch/ia64/kernel/perfmon_generic.h
delete mode 100644 arch/ia64/kernel/perfmon_mckinley.h
delete mode 100644 arch/ia64/kernel/perfmon_montecito.h
delete mode 100644 arch/ia64/oprofile/Makefile
delete mode 100644 arch/ia64/oprofile/backtrace.c
delete mode 100644 arch/ia64/oprofile/init.c
delete mode 100644 arch/microblaze/oprofile/Makefile
delete mode 100644 arch/microblaze/oprofile/microblaze_oprofile.c
delete mode 100644 arch/mips/oprofile/Makefile
delete mode 100644 arch/mips/oprofile/backtrace.c
delete mode 100644 arch/mips/oprofile/common.c
delete mode 100644 arch/mips/oprofile/op_impl.h
delete mode 100644 arch/mips/oprofile/op_model_loongson2.c
delete mode 100644 arch/mips/oprofile/op_model_loongson3.c
delete mode 100644 arch/mips/oprofile/op_model_mipsxx.c
delete mode 100644 arch/parisc/oprofile/Makefile
delete mode 100644 arch/parisc/oprofile/init.c
delete mode 100644 arch/powerpc/include/asm/oprofile_impl.h
delete mode 100644 arch/powerpc/oprofile/Makefile
delete mode 100644 arch/powerpc/oprofile/backtrace.c
delete mode 100644 arch/powerpc/oprofile/cell/pr_util.h
delete mode 100644 arch/powerpc/oprofile/cell/spu_profiler.c
delete mode 100644 arch/powerpc/oprofile/cell/spu_task_sync.c
delete mode 100644 arch/powerpc/oprofile/cell/vma_map.c
delete mode 100644 arch/powerpc/oprofile/common.c
delete mode 100644 arch/powerpc/oprofile/op_model_7450.c
delete mode 100644 arch/powerpc/oprofile/op_model_cell.c
delete mode 100644 arch/powerpc/oprofile/op_model_fsl_emb.c
delete mode 100644 arch/powerpc/oprofile/op_model_pa6t.c
delete mode 100644 arch/powerpc/oprofile/op_model_power4.c
delete mode 100644 arch/powerpc/platforms/cell/spu_notify.c
delete mode 100644 arch/s390/oprofile/Makefile
delete mode 100644 arch/s390/oprofile/init.c
delete mode 100644 arch/sh/oprofile/Makefile
delete mode 100644 arch/sh/oprofile/backtrace.c
delete mode 100644 arch/sh/oprofile/common.c
delete mode 100644 arch/sparc/oprofile/Makefile
delete mode 100644 arch/sparc/oprofile/init.c
delete mode 100644 arch/x86/oprofile/Makefile
delete mode 100644 arch/x86/oprofile/backtrace.c
delete mode 100644 arch/x86/oprofile/init.c
delete mode 100644 arch/x86/oprofile/nmi_int.c
delete mode 100644 arch/x86/oprofile/op_counter.h
delete mode 100644 arch/x86/oprofile/op_model_amd.c
delete mode 100644 arch/x86/oprofile/op_model_p4.c
delete mode 100644 arch/x86/oprofile/op_model_ppro.c
delete mode 100644 arch/x86/oprofile/op_x86_model.h
delete mode 100644 arch/xtensa/oprofile/Makefile
delete mode 100644 arch/xtensa/oprofile/backtrace.c
delete mode 100644 arch/xtensa/oprofile/init.c
delete mode 100644 drivers/oprofile/buffer_sync.c
delete mode 100644 drivers/oprofile/buffer_sync.h
delete mode 100644 drivers/oprofile/cpu_buffer.c
delete mode 100644 drivers/oprofile/cpu_buffer.h
delete mode 100644 drivers/oprofile/event_buffer.c
delete mode 100644 drivers/oprofile/event_buffer.h
delete mode 100644 drivers/oprofile/nmi_timer_int.c
delete mode 100644 drivers/oprofile/oprof.c
delete mode 100644 drivers/oprofile/oprof.h
delete mode 100644 drivers/oprofile/oprofile_files.c
delete mode 100644 drivers/oprofile/oprofile_perf.c
delete mode 100644 drivers/oprofile/oprofile_stats.c
delete mode 100644 drivers/oprofile/oprofile_stats.h
delete mode 100644 drivers/oprofile/oprofilefs.c
delete mode 100644 drivers/oprofile/timer_int.c
delete mode 100644 fs/dcookies.c
delete mode 100644 include/linux/dcookies.h
delete mode 100644 include/linux/oprofile.h
base-commit: 7c53f6b671f4aba70ff15e1b05148b10d58c2837
--
2.25.0.rc1.19.g042ed3e048af
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