Commit b2d5bfd0 authored Dec 07, 2018 by Vitaliy Mysak Committed by Darek Stojaczyk Jan 28, 2019

OCF: use rte_pause in wait loop



Add rte_pause to waiting while loop
This commit also adds spdk_pause as interface for rte_pause

Change-Id: I56e1023731e2e78febaa4f45808d6f07656d290f
Signed-off-by: Vitaliy Mysak <vitaliy.mysak@intel.com>
Reviewed-on: https://review.gerrithub.io/c/436494


Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Chandler-Test-Pool: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>

parent b45bc794

include/spdk/env.h

+5 −0

Original line number	Diff line number	Diff line
		@@ -510,6 +510,11 @@ uint64_t spdk_get_ticks_hz(void);
		*/
		void spdk_delay_us(unsigned int us);

		/**
		* Pause CPU execution for a short while
		*/
		void spdk_pause(void);

		struct spdk_ring;

		enum spdk_ring_type {

lib/bdev/ocf/env/ocf_env.c

+3 −1

Original line number	Diff line number	Diff line
		@@ -101,7 +101,9 @@ env_completion_init(env_completion *completion)
		void
		env_completion_wait(env_completion *completion)
		{
		while (atomic_read(&completion->atom));
		while (atomic_read(&completion->atom)) {
		spdk_pause();
		}
		}

		void

lib/env_dpdk/env.c

+5 −0

Original line number	Diff line number	Diff line
		@@ -307,6 +307,11 @@ void spdk_delay_us(unsigned int us)
		rte_delay_us(us);
		}

		void spdk_pause(void)
		{
		rte_pause();
		}

		void
		spdk_unaffinitize_thread(void)
		{