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author | 2016-07-18 15:30:53 -0300 | |
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committer | 2016-07-19 08:27:41 +0200 | |
commit | 9ecc306d7eeeb3bb612b968250f203093a721781 (patch) | |
tree | 6533caba388d0f50d5119ac41fe7b8e479f47290 /lib/librte_eal/common/arch | |
parent | 8be94df6e9f5f70516cb86d82dd04fefaa0fe8b3 (diff) |
Imported Upstream version 16.07-rc3
Change-Id: I321148bfa234858ba1986d109470b7aa280cd429
Signed-off-by: Ricardo Salveti <ricardo.salveti@linaro.org>
Signed-off-by: Christian Ehrhardt <christian.ehrhardt@canonical.com>
Diffstat (limited to 'lib/librte_eal/common/arch')
-rw-r--r-- | lib/librte_eal/common/arch/x86/rte_spinlock.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/lib/librte_eal/common/arch/x86/rte_spinlock.c b/lib/librte_eal/common/arch/x86/rte_spinlock.c new file mode 100644 index 00000000..c383e9f0 --- /dev/null +++ b/lib/librte_eal/common/arch/x86/rte_spinlock.c @@ -0,0 +1,45 @@ +/*- + * BSD LICENSE + * + * Copyright(c) 2010-2014 Intel Corporation. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include <stdint.h> + +#include "rte_cpuflags.h" + +uint8_t rte_rtm_supported; /* cache the flag to avoid the overhead + of the rte_cpu_get_flag_enabled function */ + +static void __attribute__((constructor)) +rte_rtm_init(void) +{ + rte_rtm_supported = rte_cpu_get_flag_enabled(RTE_CPUFLAG_RTM); +} |