From: "Ananyev, Konstantin" <konstantin.ananyev@intel.com>
To: Feifei Wang <Feifei.Wang2@arm.com>, Ruifeng Wang <Ruifeng.Wang@arm.com>
Cc: "dev@dpdk.org" <dev@dpdk.org>, nd <nd@arm.com>, nd <nd@arm.com>
Subject: Re: [dpdk-dev] [PATCH v4 1/5] eal: add new definitions for wait scheme
Date: Mon, 25 Oct 2021 14:28:51 +0000 [thread overview]
Message-ID: <DM6PR11MB44918B847C3DE779A94F59F29A839@DM6PR11MB4491.namprd11.prod.outlook.com> (raw)
In-Reply-To: <DB9PR08MB69232CB8B43B9F0777F72499C8839@DB9PR08MB6923.eurprd08.prod.outlook.com>
> > > Introduce macros as generic interface for address monitoring.
> > >
> > > Signed-off-by: Feifei Wang <feifei.wang2@arm.com>
> > > Reviewed-by: Ruifeng Wang <ruifeng.wang@arm.com>
> > > ---
> > > lib/eal/arm/include/rte_pause_64.h | 126
> > > ++++++++++++++++------------ lib/eal/include/generic/rte_pause.h |
> > > 32 +++++++
> > > 2 files changed, 104 insertions(+), 54 deletions(-)
> > >
> > > diff --git a/lib/eal/arm/include/rte_pause_64.h
> > > b/lib/eal/arm/include/rte_pause_64.h
> > > index e87d10b8cc..23954c2de2 100644
> > > --- a/lib/eal/arm/include/rte_pause_64.h
> > > +++ b/lib/eal/arm/include/rte_pause_64.h
> > > @@ -31,20 +31,12 @@ static inline void rte_pause(void)
> > > /* Put processor into low power WFE(Wait For Event) state. */
> > > #define __WFE() { asm volatile("wfe" : : : "memory"); }
> > >
> > > -static __rte_always_inline void
> > > -rte_wait_until_equal_16(volatile uint16_t *addr, uint16_t expected,
> > > - int memorder)
> > > -{
> > > - uint16_t value;
> > > -
> > > - assert(memorder == __ATOMIC_ACQUIRE || memorder ==
> > __ATOMIC_RELAXED);
> > > -
> > > - /*
> > > - * Atomic exclusive load from addr, it returns the 16-bit content of
> > > - * *addr while making it 'monitored',when it is written by someone
> > > - * else, the 'monitored' state is cleared and a event is generated
> > > - * implicitly to exit WFE.
> > > - */
> > > +/*
> > > + * Atomic exclusive load from addr, it returns the 16-bit content of
> > > + * *addr while making it 'monitored', when it is written by someone
> > > + * else, the 'monitored' state is cleared and a event is generated
> > > + * implicitly to exit WFE.
> > > + */
> > > #define __LOAD_EXC_16(src, dst, memorder) { \
> > > if (memorder == __ATOMIC_RELAXED) { \
> > > asm volatile("ldxrh %w[tmp], [%x[addr]]" \ @@ -58,6 +50,52
> > @@
> > > rte_wait_until_equal_16(volatile uint16_t *addr, uint16_t expected,
> > > : "memory"); \
> > > } }
> > >
> > > +/*
> > > + * Atomic exclusive load from addr, it returns the 32-bit content of
> > > + * *addr while making it 'monitored', when it is written by someone
> > > + * else, the 'monitored' state is cleared and a event is generated
> > > + * implicitly to exit WFE.
> > > + */
> > > +#define __LOAD_EXC_32(src, dst, memorder) { \
> > > + if (memorder == __ATOMIC_RELAXED) { \
> > > + asm volatile("ldxr %w[tmp], [%x[addr]]" \
> > > + : [tmp] "=&r" (dst) \
> > > + : [addr] "r"(src) \
> > > + : "memory"); \
> > > + } else { \
> > > + asm volatile("ldaxr %w[tmp], [%x[addr]]" \
> > > + : [tmp] "=&r" (dst) \
> > > + : [addr] "r"(src) \
> > > + : "memory"); \
> > > + } }
> > > +
> > > +/*
> > > + * Atomic exclusive load from addr, it returns the 64-bit content of
> > > + * *addr while making it 'monitored', when it is written by someone
> > > + * else, the 'monitored' state is cleared and a event is generated
> > > + * implicitly to exit WFE.
> > > + */
> > > +#define __LOAD_EXC_64(src, dst, memorder) { \
> > > + if (memorder == __ATOMIC_RELAXED) { \
> > > + asm volatile("ldxr %x[tmp], [%x[addr]]" \
> > > + : [tmp] "=&r" (dst) \
> > > + : [addr] "r"(src) \
> > > + : "memory"); \
> > > + } else { \
> > > + asm volatile("ldaxr %x[tmp], [%x[addr]]" \
> > > + : [tmp] "=&r" (dst) \
> > > + : [addr] "r"(src) \
> > > + : "memory"); \
> > > + } }
> > > +
> > > +static __rte_always_inline void
> > > +rte_wait_until_equal_16(volatile uint16_t *addr, uint16_t expected,
> > > + int memorder)
> > > +{
> > > + uint16_t value;
> > > +
> > > + assert(memorder == __ATOMIC_ACQUIRE || memorder ==
> > > +__ATOMIC_RELAXED);
> > > +
> > > __LOAD_EXC_16(addr, value, memorder)
> > > if (value != expected) {
> > > __SEVL()
> > > @@ -66,7 +104,6 @@ rte_wait_until_equal_16(volatile uint16_t *addr,
> > uint16_t expected,
> > > __LOAD_EXC_16(addr, value, memorder)
> > > } while (value != expected);
> > > }
> > > -#undef __LOAD_EXC_16
> > > }
> > >
> > > static __rte_always_inline void
> > > @@ -77,25 +114,6 @@ rte_wait_until_equal_32(volatile uint32_t *addr,
> > > uint32_t expected,
> > >
> > > assert(memorder == __ATOMIC_ACQUIRE || memorder ==
> > > __ATOMIC_RELAXED);
> > >
> > > - /*
> > > - * Atomic exclusive load from addr, it returns the 32-bit content of
> > > - * *addr while making it 'monitored',when it is written by someone
> > > - * else, the 'monitored' state is cleared and a event is generated
> > > - * implicitly to exit WFE.
> > > - */
> > > -#define __LOAD_EXC_32(src, dst, memorder) { \
> > > - if (memorder == __ATOMIC_RELAXED) { \
> > > - asm volatile("ldxr %w[tmp], [%x[addr]]" \
> > > - : [tmp] "=&r" (dst) \
> > > - : [addr] "r"(src) \
> > > - : "memory"); \
> > > - } else { \
> > > - asm volatile("ldaxr %w[tmp], [%x[addr]]" \
> > > - : [tmp] "=&r" (dst) \
> > > - : [addr] "r"(src) \
> > > - : "memory"); \
> > > - } }
> > > -
> > > __LOAD_EXC_32(addr, value, memorder)
> > > if (value != expected) {
> > > __SEVL()
> > > @@ -104,7 +122,6 @@ rte_wait_until_equal_32(volatile uint32_t *addr,
> > uint32_t expected,
> > > __LOAD_EXC_32(addr, value, memorder)
> > > } while (value != expected);
> > > }
> > > -#undef __LOAD_EXC_32
> > > }
> > >
> > > static __rte_always_inline void
> > > @@ -115,25 +132,6 @@ rte_wait_until_equal_64(volatile uint64_t *addr,
> > > uint64_t expected,
> > >
> > > assert(memorder == __ATOMIC_ACQUIRE || memorder ==
> > > __ATOMIC_RELAXED);
> > >
> > > - /*
> > > - * Atomic exclusive load from addr, it returns the 64-bit content of
> > > - * *addr while making it 'monitored',when it is written by someone
> > > - * else, the 'monitored' state is cleared and a event is generated
> > > - * implicitly to exit WFE.
> > > - */
> > > -#define __LOAD_EXC_64(src, dst, memorder) { \
> > > - if (memorder == __ATOMIC_RELAXED) { \
> > > - asm volatile("ldxr %x[tmp], [%x[addr]]" \
> > > - : [tmp] "=&r" (dst) \
> > > - : [addr] "r"(src) \
> > > - : "memory"); \
> > > - } else { \
> > > - asm volatile("ldaxr %x[tmp], [%x[addr]]" \
> > > - : [tmp] "=&r" (dst) \
> > > - : [addr] "r"(src) \
> > > - : "memory"); \
> > > - } }
> > > -
> > > __LOAD_EXC_64(addr, value, memorder)
> > > if (value != expected) {
> > > __SEVL()
> > > @@ -143,6 +141,26 @@ rte_wait_until_equal_64(volatile uint64_t *addr,
> > uint64_t expected,
> > > } while (value != expected);
> > > }
> > > }
> > > +
> > > +#define rte_wait_event(addr, mask, expected, cond, memorder, size) \
> > > +do { \
> > > + RTE_BUILD_BUG_ON(!__builtin_constant_p(memorder)); \
> > > + RTE_BUILD_BUG_ON(memorder != __ATOMIC_ACQUIRE && \
> > > + memorder != __ATOMIC_RELAXED); \
> > > + RTE_BUILD_BUG_ON(size != 16 && size != 32 && size != 64); \
> > > + uint##size_t value; \
> > > + __LOAD_EXC_##size(addr, value, memorder) \
> > > + if ((value & mask) cond expected) { \
> > > + __SEVL() \
> > > + do { \
> > > + __WFE() \
> > > + __LOAD_EXC_##size(addr, value, memorder) \
> > > + } while ((value & mask) cond expected); \
> > > + } \
> > > +} while (0)
> > > +
> > > +#undef __LOAD_EXC_16
> > > +#undef __LOAD_EXC_32
> > > #undef __LOAD_EXC_64
> > >
> > > #undef __SEVL
> > > diff --git a/lib/eal/include/generic/rte_pause.h
> > > b/lib/eal/include/generic/rte_pause.h
> > > index 668ee4a184..20a5d2a9fd 100644
> > > --- a/lib/eal/include/generic/rte_pause.h
> > > +++ b/lib/eal/include/generic/rte_pause.h
> > > @@ -111,6 +111,38 @@ rte_wait_until_equal_64(volatile uint64_t *addr,
> > uint64_t expected,
> > > while (__atomic_load_n(addr, memorder) != expected)
> > > rte_pause();
> > > }
> > > +
> > > +/*
> > > + * Wait until *addr breaks the condition, with a relaxed memory
> > > + * ordering model meaning the loads around this API can be reordered.
> > > + *
> > > + * @param addr
> > > + * A pointer to the memory location.
> > > + * @param mask
> > > + * A mask of value bits in interest.
> > > + * @param expected
> > > + * A 16-bit expected value to be in the memory location.
> > > + * @param cond
> > > + * A symbol representing the condition (==, !=).
> > > + * @param memorder
> > > + * Two different memory orders that can be specified:
> > > + * __ATOMIC_ACQUIRE and __ATOMIC_RELAXED. These map to
> > > + * C++11 memory orders with the same names, see the C++11 standard
> > > +or
> > > + * the GCC wiki on atomic synchronization for detailed definition.
> > > + * @param size
> > > + * The bit size of *addr:
> > > + * It is used for arm architecture to choose load instructions,
> > > + * and the optional value is 16, 32 and 64.
> > > + */
> > > +#define rte_wait_event(addr, mask, expected, cond, memorder, size) \
> > > +do { \
> > > + RTE_BUILD_BUG_ON(!__builtin_constant_p(memorder)); \
> > > + RTE_BUILD_BUG_ON(memorder != __ATOMIC_ACQUIRE && \
> > > + memorder != __ATOMIC_RELAXED); \
> > > + RTE_BUILD_BUG_ON(size != 16 && size != 32 && size != 64); \
> >
> > I don't' really understand why you do need 'size' passed as parameter.
> > Can't it be:
> > size_t size = sizeof(*(addr));
> > And then:
> > RTE_BUILD_BUG_ON(size != sizeof(uint16_t) && size != sizeof(uint32_t) &&
> > size != sizeof(uint64_t)); ?
> >
> > > + while ((__atomic_load_n(addr, memorder) & mask) cond expected) \
> > > + rte_pause(); \
> >
> > Just to repeat my own comment from previous version review:
> > put () around macro parameters in the macro body.
> > Will save from a lot of unexpected troubles.
>
> Sorry I didn't catch the point.
> In this version, I firstly want to use '__LOAD_EXC_##size' to choose , so I use size
> as a parameter. And in the next version, I will update this as:
>
> #define __LOAD_EXC(src, dst, memorder, size) { \
> if (size == 16) \
> __LOAD_EXC_16(src, dst, memorder) \
> else if (size == 32) \
> __LOAD_EXC_32(src, dst, memorder) \
> else if (size == 64) \
> __LOAD_EXC_64(src, dst, memorder) \
> }
>
> #define rte_wait_event(addr, mask, cond, expected, memorder) \
> do { \
> RTE_BUILD_BUG_ON(!__builtin_constant_p(memorder)); \
> RTE_BUILD_BUG_ON(memorder != __ATOMIC_ACQUIRE && \
> memorder != __ATOMIC_RELAXED); \
> uint32_t size = sizeof(*addr) << 3; \
> typeof(*addr) value = 0; \
> __LOAD_EXC(addr, value, memorder, size) \
> if ((value & mask) cond expected) { \
> __SEVL() \
> do { \
> __WFE() \
> __LOAD_EXC(addr, value, memorder, size) \
> } while ((value & mask) cond expected); \
> } \
> } while (0)
Sorry, I probably wasn't clear enough.
I meant use '(' ')' around macro arguments (to avoid un-predicted side-effects with operands associativity):
uint32_t size = sizeof(*(addr)) ...;
...
if ((value & (mask)) cond (expected))
...
next prev parent reply other threads:[~2021-10-25 14:29 UTC|newest]
Thread overview: 113+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-02 5:32 [dpdk-dev] [RFC PATCH v1 0/5] add new API for wait until scheme Feifei Wang
2021-09-02 5:32 ` [dpdk-dev] [RFC PATCH v1 1/5] eal: " Feifei Wang
2021-09-02 5:32 ` [dpdk-dev] [RFC PATCH v1 2/5] eal: use wait until scheme for read pflock Feifei Wang
2021-09-02 5:32 ` [dpdk-dev] [RFC PATCH v1 3/5] eal: use wait until scheme for mcslock Feifei Wang
2021-09-02 5:32 ` [dpdk-dev] [RFC PATCH v1 4/5] lib/bpf: use wait until scheme for Rx/Tx iteration Feifei Wang
2021-09-02 5:32 ` [dpdk-dev] [RFC PATCH v1 5/5] lib/distributor: use wait until scheme Feifei Wang
2021-09-02 15:22 ` [dpdk-dev] [RFC PATCH v1 0/5] add new API for " Stephen Hemminger
2021-09-03 7:02 ` [dpdk-dev] 回复: " Feifei Wang
2021-09-23 9:58 ` [dpdk-dev] [RFC PATCH v2 0/5] add new definitions for wait scheme Feifei Wang
2021-09-23 9:58 ` [dpdk-dev] [RFC PATCH v2 1/5] eal: " Feifei Wang
2021-09-23 9:58 ` [dpdk-dev] [RFC PATCH v2 2/5] eal: use wait event for read pflock Feifei Wang
2021-09-23 9:59 ` [dpdk-dev] [RFC PATCH v2 3/5] eal: use wait event scheme for mcslock Feifei Wang
2021-09-23 9:59 ` [dpdk-dev] [RFC PATCH v2 4/5] lib/bpf: use wait event scheme for Rx/Tx iteration Feifei Wang
2021-09-24 18:07 ` Ananyev, Konstantin
2021-09-26 2:19 ` [dpdk-dev] 回复: " Feifei Wang
2021-09-23 9:59 ` [dpdk-dev] [RFC PATCH v2 5/5] lib/distributor: use wait event scheme Feifei Wang
2021-09-26 6:32 ` [dpdk-dev] [RFC PATCH v3 0/5] add new definitions for wait scheme Feifei Wang
2021-09-26 6:32 ` [dpdk-dev] [RFC PATCH v3 1/5] eal: " Feifei Wang
2021-10-07 16:18 ` Ananyev, Konstantin
2021-10-12 8:09 ` [dpdk-dev] 回复: " Feifei Wang
2021-10-13 15:03 ` [dpdk-dev] " Ananyev, Konstantin
2021-10-13 17:00 ` Stephen Hemminger
2021-10-14 3:14 ` [dpdk-dev] 回复: " Feifei Wang
2021-10-14 3:08 ` Feifei Wang
2021-09-26 6:32 ` [dpdk-dev] [RFC PATCH v3 2/5] eal: use wait event for read pflock Feifei Wang
2021-09-26 6:33 ` [dpdk-dev] [RFC PATCH v3 3/5] eal: use wait event scheme for mcslock Feifei Wang
2021-09-26 6:33 ` [dpdk-dev] [RFC PATCH v3 4/5] lib/bpf: use wait event scheme for Rx/Tx iteration Feifei Wang
2021-10-07 15:50 ` Ananyev, Konstantin
2021-10-07 17:40 ` Ananyev, Konstantin
2021-10-20 6:20 ` [dpdk-dev] 回复: " Feifei Wang
2021-09-26 6:33 ` [dpdk-dev] [RFC PATCH v3 5/5] lib/distributor: use wait event scheme Feifei Wang
2021-10-20 8:45 ` [dpdk-dev] [PATCH v4 0/5] add new definitions for wait scheme Feifei Wang
2021-10-20 8:45 ` [dpdk-dev] [PATCH v4 1/5] eal: " Feifei Wang
2021-10-21 16:24 ` Ananyev, Konstantin
2021-10-25 9:20 ` [dpdk-dev] 回复: " Feifei Wang
2021-10-25 14:28 ` Ananyev, Konstantin [this message]
2021-10-26 1:08 ` Feifei Wang
2021-10-22 0:10 ` [dpdk-dev] " Jerin Jacob
2021-10-25 9:30 ` [dpdk-dev] 回复: " Feifei Wang
2021-10-25 9:43 ` [dpdk-dev] " Jerin Jacob
2021-10-26 1:11 ` [dpdk-dev] 回复: " Feifei Wang
2021-10-20 8:45 ` [dpdk-dev] [PATCH v4 2/5] eal: use wait event for read pflock Feifei Wang
2021-10-20 8:45 ` [dpdk-dev] [PATCH v4 3/5] eal: use wait event scheme for mcslock Feifei Wang
2021-10-20 8:45 ` [dpdk-dev] [PATCH v4 4/5] lib/bpf: use wait event scheme for Rx/Tx iteration Feifei Wang
2021-10-20 8:45 ` [dpdk-dev] [PATCH v4 5/5] lib/distributor: use wait event scheme Feifei Wang
2021-10-26 8:01 ` [dpdk-dev] [PATCH v5 0/5] add new definitions for wait scheme Feifei Wang
2021-10-26 8:02 ` [dpdk-dev] [PATCH v5 1/5] eal: " Feifei Wang
2021-10-26 8:08 ` [dpdk-dev] 回复: " Feifei Wang
2021-10-26 9:46 ` [dpdk-dev] " Ananyev, Konstantin
2021-10-26 9:59 ` Ananyev, Konstantin
2021-10-27 6:56 ` [dpdk-dev] 回复: " Feifei Wang
2021-10-26 8:02 ` [dpdk-dev] [PATCH v5 2/5] eal: use wait event for read pflock Feifei Wang
2021-10-26 8:02 ` [dpdk-dev] [PATCH v5 3/5] eal: use wait event scheme for mcslock Feifei Wang
2021-10-26 8:02 ` [dpdk-dev] [PATCH v5 4/5] lib/bpf: use wait event scheme for Rx/Tx iteration Feifei Wang
2021-10-26 8:18 ` [dpdk-dev] 回复: " Feifei Wang
2021-10-26 9:43 ` [dpdk-dev] " Ananyev, Konstantin
2021-10-26 12:56 ` Ananyev, Konstantin
2021-10-27 7:04 ` [dpdk-dev] 回复: " Feifei Wang
2021-10-27 7:31 ` Feifei Wang
2021-10-27 14:47 ` [dpdk-dev] " Ananyev, Konstantin
2021-10-28 6:24 ` [dpdk-dev] 回复: " Feifei Wang
2021-10-26 8:02 ` [dpdk-dev] [PATCH v5 5/5] lib/distributor: use wait event scheme Feifei Wang
2021-10-27 8:10 ` [dpdk-dev] [PATCH v6 0/4] add new definitions for wait scheme Feifei Wang
2021-10-27 8:10 ` [dpdk-dev] [PATCH v6 1/4] eal: " Feifei Wang
2021-10-27 8:10 ` [dpdk-dev] [PATCH v6 2/4] eal: use wait event for read pflock Feifei Wang
2021-10-27 8:10 ` [dpdk-dev] [PATCH v6 3/4] eal: use wait event scheme for mcslock Feifei Wang
2021-10-27 11:16 ` Mattias Rönnblom
2021-10-28 6:32 ` [dpdk-dev] 回复: " Feifei Wang
2021-10-27 8:10 ` [dpdk-dev] [PATCH v6 4/4] lib/distributor: use wait event scheme Feifei Wang
2021-10-27 10:57 ` [dpdk-dev] [PATCH v6 0/4] add new definitions for wait scheme Jerin Jacob
2021-10-28 6:33 ` [dpdk-dev] 回复: " Feifei Wang
2021-10-28 6:56 ` [dpdk-dev] [PATCH v7 0/5] " Feifei Wang
2021-10-28 6:56 ` [dpdk-dev] [PATCH v7 1/5] eal: " Feifei Wang
2021-10-28 7:15 ` Jerin Jacob
2021-10-28 7:40 ` [dpdk-dev] 回复: " Feifei Wang
2021-10-28 7:51 ` [dpdk-dev] " Jerin Jacob
2021-10-28 9:27 ` [dpdk-dev] 回复: " Feifei Wang
2021-10-28 13:14 ` [dpdk-dev] " Ananyev, Konstantin
2021-10-28 6:56 ` [dpdk-dev] [PATCH v7 2/5] eal: use wait event for read pflock Feifei Wang
2021-10-28 6:56 ` [dpdk-dev] [PATCH v7 3/5] eal: use wait event scheme for mcslock Feifei Wang
2021-10-28 7:02 ` Jerin Jacob
2021-10-28 7:14 ` [dpdk-dev] 回复: " Feifei Wang
2021-10-28 6:56 ` [dpdk-dev] [PATCH v7 4/5] lib/bpf: use wait event scheme for Rx/Tx iteration Feifei Wang
2021-10-28 13:15 ` Ananyev, Konstantin
2021-10-28 6:56 ` [dpdk-dev] [PATCH v7 5/5] lib/distributor: use wait event scheme Feifei Wang
2021-10-29 8:20 ` [dpdk-dev] [PATCH v8 0/5] add new definitions for wait scheme Feifei Wang
2021-10-29 8:20 ` [dpdk-dev] [PATCH v8 1/5] eal: " Feifei Wang
2021-10-29 13:54 ` Jerin Jacob
2021-10-31 8:38 ` David Marchand
2021-11-01 2:29 ` [dpdk-dev] 回复: " Feifei Wang
2021-10-29 8:20 ` [dpdk-dev] [PATCH v8 2/5] eal: use wait event for read pflock Feifei Wang
2021-10-29 13:55 ` Jerin Jacob
2021-10-31 8:37 ` David Marchand
2021-10-29 8:20 ` [dpdk-dev] [PATCH v8 3/5] eal: use wait event scheme for mcslock Feifei Wang
2021-10-29 13:55 ` Jerin Jacob
2021-10-31 8:37 ` David Marchand
2021-10-29 8:20 ` [dpdk-dev] [PATCH v8 4/5] lib/bpf: use wait event scheme for Rx/Tx iteration Feifei Wang
2021-10-31 8:37 ` David Marchand
2021-10-29 8:20 ` [dpdk-dev] [PATCH v8 5/5] lib/distributor: use wait event scheme Feifei Wang
2021-10-29 13:58 ` Jerin Jacob
2021-10-31 8:38 ` David Marchand
2021-11-01 12:44 ` David Hunt
2021-11-01 6:00 ` [dpdk-dev] [PATCH v9 0/5] add new helper for wait scheme Feifei Wang
2021-11-01 6:00 ` [dpdk-dev] [PATCH v9 1/5] eal: add a new generic " Feifei Wang
2021-11-01 6:00 ` [dpdk-dev] [PATCH v9 2/5] pflock: use wait until scheme for read pflock Feifei Wang
2021-11-03 14:46 ` David Marchand
2021-11-04 1:24 ` [dpdk-dev] 回复: " Feifei Wang
2021-11-01 6:00 ` [dpdk-dev] [PATCH v9 3/5] mcslock: use wait until scheme for mcslock Feifei Wang
2021-11-01 6:00 ` [dpdk-dev] [PATCH v9 4/5] bpf: use wait until scheme for Rx/Tx iteration Feifei Wang
2021-11-01 6:00 ` [dpdk-dev] [PATCH v9 5/5] distributor: use wait until scheme Feifei Wang
2021-11-01 16:05 ` Pattan, Reshma
2021-11-02 2:00 ` [dpdk-dev] 回复: " Feifei Wang
2021-11-03 14:55 ` [dpdk-dev] [PATCH v9 0/5] add new helper for wait scheme David Marchand
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