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| author |   Kefeng Wang <wangkefeng.wang@huawei.com> | 2020-10-28 12:28:42 +0800 |
|---|---|---|
| committer |   Palmer Dabbelt <palmerdabbelt@google.com> | 2020-11-20 18:02:53 -0800 |
| commit | 31564b8b6dbaf9035d27131982d3296c10742baa (patch) | |
| tree | 6b72baf333debcaa2e14d62dd36ab5c40b97db1a | |
| parent | riscv: Enable CMA support (diff) | |
| download | linux-dev-31564b8b6dbaf9035d27131982d3296c10742baa.tar.xz linux-dev-31564b8b6dbaf9035d27131982d3296c10742baa.zip | |
riscv: Add HAVE_IRQ_TIME_ACCOUNTING
RISCV_TIMER/CLINT_TIMER is required for RISC-V system, and it
provides sched_clock, which allow us to enable IRQ_TIME_ACCOUNTING.
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
| -rw-r--r-- | Documentation/features/time/irq-time-acct/arch-support.txt | 2 | ||||
| -rw-r--r-- | arch/riscv/Kconfig | 1 |
2 files changed, 2 insertions, 1 deletions
diff --git a/Documentation/features/time/irq-time-acct/arch-support.txt b/Documentation/features/time/irq-time-acct/arch-support.txt index d9082b91f10e..6fc03deb1c38 100644 --- a/Documentation/features/time/irq-time-acct/arch-support.txt +++ b/Documentation/features/time/irq-time-acct/arch-support.txt @@ -23,7 +23,7 @@ | openrisc: | TODO | | parisc: | .. | | powerpc: | ok | - | riscv: | TODO | + | riscv: | ok | | s390: | .. | | sh: | TODO | | sparc: | .. | diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig index 44377fd7860e..dfbc1351ee62 100644 --- a/arch/riscv/Kconfig +++ b/arch/riscv/Kconfig @@ -68,6 +68,7 @@ config RISCV select HAVE_FUTEX_CMPXCHG if FUTEX select HAVE_GCC_PLUGINS select HAVE_GENERIC_VDSO if MMU && 64BIT + select HAVE_IRQ_TIME_ACCOUNTING select HAVE_PCI select HAVE_PERF_EVENTS select HAVE_PERF_REGS |