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| author | Viresh Kumar <viresh.kumar@linaro.org> | 2021-01-14 12:35:30 +0100 |
|---|---|---|
| committer | Viresh Kumar <viresh.kumar@linaro.org> | 2021-01-29 05:36:24 +0100 |
| commit | f8408264c77a0cebb20244d1f4750501b36abe0e (patch) | |
| tree | 1e3f4b7a0d03f7a10b49e22a43b42561646c7887 /Documentation/RCU/NMI-RCU.rst | |
| parent | arch: xtensa: Remove CONFIG_OPROFILE support (diff) | |
| download | linux-f8408264c77a0cebb20244d1f4750501b36abe0e.tar.xz linux-f8408264c77a0cebb20244d1f4750501b36abe0e.zip | |
drivers: Remove CONFIG_OPROFILE support
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 kernel's old oprofile support.
Suggested-by: Christoph Hellwig <hch@infradead.org>
Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Robert Richter <rric@kernel.org>
Acked-by: Paul E. McKenney <paulmck@kernel.org> #RCU
Acked-by: William Cohen <wcohen@redhat.com>
Acked-by: Al Viro <viro@zeniv.linux.org.uk>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'Documentation/RCU/NMI-RCU.rst')
| -rw-r--r-- | Documentation/RCU/NMI-RCU.rst | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/Documentation/RCU/NMI-RCU.rst b/Documentation/RCU/NMI-RCU.rst index 180958388ff9..2a92bc685ef1 100644 --- a/Documentation/RCU/NMI-RCU.rst +++ b/Documentation/RCU/NMI-RCU.rst @@ -8,8 +8,7 @@ Although RCU is usually used to protect read-mostly data structures, it is possible to use RCU to provide dynamic non-maskable interrupt handlers, as well as dynamic irq handlers. This document describes how to do this, drawing loosely from Zwane Mwaikambo's NMI-timer -work in "arch/x86/oprofile/nmi_timer_int.c" and in -"arch/x86/kernel/traps.c". +work in "arch/x86/kernel/traps.c". The relevant pieces of code are listed below, each followed by a brief explanation:: |