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From: Olivier Matz <olivier.matz@6wind.com>
To: Andrew Rybchenko <arybchenko@solarflare.com>
Cc: Vamsi Krishna Attunuru <vattunuru@marvell.com>,
	"dev@dpdk.org" <dev@dpdk.org>,
	Anatoly Burakov <anatoly.burakov@intel.com>,
	Ferruh Yigit <ferruh.yigit@linux.intel.com>,
	"Giridharan, Ganesan" <ggiridharan@rbbn.com>,
	Jerin Jacob Kollanukkaran <jerinj@marvell.com>,
	Kiran Kumar Kokkilagadda <kirankumark@marvell.com>,
	Stephen Hemminger <sthemmin@microsoft.com>,
	Thomas Monjalon <thomas@monjalon.net>
Subject: Re: [dpdk-dev] [EXT] [PATCH v2 5/6] mempool: prevent objects from being across pages
Date: Thu, 31 Oct 2019 09:45:55 +0100
Message-ID: <20191031084555.lii7uksuhlyyha6s@platinum> (raw)
In-Reply-To: <e19aa0c2-dba1-1679-8dc0-6a3ecb9a56b7@solarflare.com>

On Thu, Oct 31, 2019 at 11:33:30AM +0300, Andrew Rybchenko wrote:
> On 10/31/19 11:24 AM, Olivier Matz wrote:
> > Hi,
> > 
> > On Thu, Oct 31, 2019 at 06:54:50AM +0000, Vamsi Krishna Attunuru wrote:
> > > Hi Olivier,
> > > 
> > > Thanks for reworked patches.
> > > With V2, Tests with 512MB & 2M page sizes work fine with octeontx2
> > > mempool pmd.
> > Good to hear.
> > 
> > > One more concern is, octeontx fpa mempool driver also has the similar
> > > requirements. How do we address that, Can you suggest the best way to
> > > avoid code duplication in PMDs.
> > Well, we could provide additional helpers in librte_mempool:
> > rte_mempool_calc_mem_size_helper() and rte_mempool_populate_helper()
> > that would be internal to mempool lib + drivers. This helpers could take
> > an additional parameter to enable the alignemnt on objects.
> > 
> > But: with this approach, we are moving back driver specificities inside
> > the common code, and if tomorrow more drivers with different
> > requirements also asks to factorize them in common code, we may end up
> > with common functions that must support hardware specificities, making
> > them harder to maintain.
> > 
> > I agree that duplicating code is not satisfying either, but I think it
> > is still better than starting to move hw requirements in common code,
> > given that mempool drivers where introduced for that reason.
> > 
> > @Andrew, any opinion?
> 
> I think I'd prefer to have helper function. It avoids HW specific
> flags in external interface (which was discussed initially), but also
> avoids code duplication which makes it easier to maintain.
> May be we will reconsider it in the future, but right now I think
> it is the best option.

OK, let me try to propose a v3 with helpers like this, and we
can discuss on this basis.


> 
> > > Regards
> > > A Vamsi
> > > 
> > > > -----Original Message-----
> > > > From: Olivier Matz <olivier.matz@6wind.com>
> > > > Sent: Wednesday, October 30, 2019 8:06 PM
> > > > To: dev@dpdk.org
> > > > Cc: Anatoly Burakov <anatoly.burakov@intel.com>; Andrew Rybchenko
> > > > <arybchenko@solarflare.com>; Ferruh Yigit <ferruh.yigit@linux.intel.com>;
> > > > Giridharan, Ganesan <ggiridharan@rbbn.com>; Jerin Jacob Kollanukkaran
> > > > <jerinj@marvell.com>; Kiran Kumar Kokkilagadda <kirankumark@marvell.com>;
> > > > Stephen Hemminger <sthemmin@microsoft.com>; Thomas Monjalon
> > > > <thomas@monjalon.net>; Vamsi Krishna Attunuru <vattunuru@marvell.com>
> > > > Subject: [EXT] [PATCH v2 5/6] mempool: prevent objects from being across
> > > > pages
> > > > 
> > > > External Email
> > > > 
> > > > ----------------------------------------------------------------------
> > > > When populating a mempool, ensure that objects are not located across several
> > > > pages, except if user did not request iova contiguous objects.
> > > > 
> > > > Signed-off-by: Vamsi Krishna Attunuru <vattunuru@marvell.com>
> > > > Signed-off-by: Olivier Matz <olivier.matz@6wind.com>
> > > > ---
> > > >   drivers/mempool/octeontx2/Makefile           |   3 +
> > > >   drivers/mempool/octeontx2/meson.build        |   3 +
> > > >   drivers/mempool/octeontx2/otx2_mempool_ops.c | 119 ++++++++++++++++---
> > > >   lib/librte_mempool/rte_mempool.c             |  23 ++--
> > > >   lib/librte_mempool/rte_mempool_ops_default.c |  32 ++++-
> > > >   5 files changed, 147 insertions(+), 33 deletions(-)
> > > > 
> > > > diff --git a/drivers/mempool/octeontx2/Makefile
> > > > b/drivers/mempool/octeontx2/Makefile
> > > > index 87cce22c6..d781cbfc6 100644
> > > > --- a/drivers/mempool/octeontx2/Makefile
> > > > +++ b/drivers/mempool/octeontx2/Makefile
> > > > @@ -27,6 +27,9 @@ EXPORT_MAP := rte_mempool_octeontx2_version.map
> > > > 
> > > >   LIBABIVER := 1
> > > > 
> > > > +# for rte_mempool_get_page_size
> > > > +CFLAGS += -DALLOW_EXPERIMENTAL_API
> > > > +
> > > >   #
> > > >   # all source are stored in SRCS-y
> > > >   #
> > > > diff --git a/drivers/mempool/octeontx2/meson.build
> > > > b/drivers/mempool/octeontx2/meson.build
> > > > index 9fde40f0e..28f9634da 100644
> > > > --- a/drivers/mempool/octeontx2/meson.build
> > > > +++ b/drivers/mempool/octeontx2/meson.build
> > > > @@ -21,3 +21,6 @@ foreach flag: extra_flags  endforeach
> > > > 
> > > >   deps += ['eal', 'mbuf', 'kvargs', 'bus_pci', 'common_octeontx2', 'mempool']
> > > > +
> > > > +# for rte_mempool_get_page_size
> > > > +allow_experimental_apis = true
> > > > diff --git a/drivers/mempool/octeontx2/otx2_mempool_ops.c
> > > > b/drivers/mempool/octeontx2/otx2_mempool_ops.c
> > > > index d769575f4..47117aec6 100644
> > > > --- a/drivers/mempool/octeontx2/otx2_mempool_ops.c
> > > > +++ b/drivers/mempool/octeontx2/otx2_mempool_ops.c
> > > > @@ -713,12 +713,76 @@ static ssize_t
> > > >   otx2_npa_calc_mem_size(const struct rte_mempool *mp, uint32_t obj_num,
> > > >   		       uint32_t pg_shift, size_t *min_chunk_size, size_t *align)  {
> > > > -	/*
> > > > -	 * Simply need space for one more object to be able to
> > > > -	 * fulfill alignment requirements.
> > > > -	 */
> > > > -	return rte_mempool_op_calc_mem_size_default(mp, obj_num + 1,
> > > > pg_shift,
> > > > -						    min_chunk_size, align);
> > > > +	size_t total_elt_sz;
> > > > +	size_t obj_per_page, pg_sz, objs_in_last_page;
> > > > +	size_t mem_size;
> > > > +
> > > > +	/* derived from rte_mempool_op_calc_mem_size_default() */
> > > > +
> > > > +	total_elt_sz = mp->header_size + mp->elt_size + mp->trailer_size;
> > > > +
> > > > +	if (total_elt_sz == 0) {
> > > > +		mem_size = 0;
> > > > +	} else if (pg_shift == 0) {
> > > > +		/* one object margin to fix alignment */
> > > > +		mem_size = total_elt_sz * (obj_num + 1);
> > > > +	} else {
> > > > +		pg_sz = (size_t)1 << pg_shift;
> > > > +		obj_per_page = pg_sz / total_elt_sz;
> > > > +
> > > > +		/* we need to keep one object to fix alignment */
> > > > +		if (obj_per_page > 0)
> > > > +			obj_per_page--;
> > > > +
> > > > +		if (obj_per_page == 0) {
> > > > +			/*
> > > > +			 * Note that if object size is bigger than page size,
> > > > +			 * then it is assumed that pages are grouped in subsets
> > > > +			 * of physically continuous pages big enough to store
> > > > +			 * at least one object.
> > > > +			 */
> > > > +			mem_size = RTE_ALIGN_CEIL(2 * total_elt_sz,
> > > > +						pg_sz) * obj_num;
> > > > +		} else {
> > > > +			/* In the best case, the allocator will return a
> > > > +			 * page-aligned address. For example, with 5 objs,
> > > > +			 * the required space is as below:
> > > > +			 *  |     page0     |     page1     |  page2 (last) |
> > > > +			 *  |obj0 |obj1 |xxx|obj2 |obj3 |xxx|obj4|
> > > > +			 *  <------------- mem_size ------------->
> > > > +			 */
> > > > +			objs_in_last_page = ((obj_num - 1) % obj_per_page) +
> > > > 1;
> > > > +			/* room required for the last page */
> > > > +			mem_size = objs_in_last_page * total_elt_sz;
> > > > +			/* room required for other pages */
> > > > +			mem_size += ((obj_num - objs_in_last_page) /
> > > > +				obj_per_page) << pg_shift;
> > > > +
> > > > +			/* In the worst case, the allocator returns a
> > > > +			 * non-aligned pointer, wasting up to
> > > > +			 * total_elt_sz. Add a margin for that.
> > > > +			 */
> > > > +			 mem_size += total_elt_sz - 1;
> > > > +		}
> > > > +	}
> > > > +
> > > > +	*min_chunk_size = total_elt_sz * 2;
> > > > +	*align = RTE_CACHE_LINE_SIZE;
> > > > +
> > > > +	return mem_size;
> > > > +}
> > > > +
> > > > +/* Returns -1 if object crosses a page boundary, else returns 0 */
> > > > +static int check_obj_bounds(char *obj, size_t pg_sz, size_t elt_sz) {
> > > > +	if (pg_sz == 0)
> > > > +		return 0;
> > > > +	if (elt_sz > pg_sz)
> > > > +		return 0;
> > > > +	if (RTE_PTR_ALIGN(obj, pg_sz) != RTE_PTR_ALIGN(obj + elt_sz - 1,
> > > > pg_sz))
> > > > +		return -1;
> > > > +	return 0;
> > > >   }
> > > > 
> > > >   static int
> > > > @@ -726,8 +790,12 @@ otx2_npa_populate(struct rte_mempool *mp,
> > > > unsigned int max_objs, void *vaddr,
> > > >   		  rte_iova_t iova, size_t len,
> > > >   		  rte_mempool_populate_obj_cb_t *obj_cb, void *obj_cb_arg)
> > > > {
> > > > -	size_t total_elt_sz;
> > > > +	char *va = vaddr;
> > > > +	size_t total_elt_sz, pg_sz;
> > > >   	size_t off;
> > > > +	unsigned int i;
> > > > +	void *obj;
> > > > +	int ret;
> > > > 
> > > >   	if (iova == RTE_BAD_IOVA)
> > > >   		return -EINVAL;
> > > > @@ -735,22 +803,45 @@ otx2_npa_populate(struct rte_mempool *mp,
> > > > unsigned int max_objs, void *vaddr,
> > > >   	total_elt_sz = mp->header_size + mp->elt_size + mp->trailer_size;
> > > > 
> > > >   	/* Align object start address to a multiple of total_elt_sz */
> > > > -	off = total_elt_sz - ((uintptr_t)vaddr % total_elt_sz);
> > > > +	off = total_elt_sz - (((uintptr_t)(va - 1) % total_elt_sz) + 1);
> > > > 
> > > >   	if (len < off)
> > > >   		return -EINVAL;
> > > > 
> > > > -	vaddr = (char *)vaddr + off;
> > > > -	iova += off;
> > > > -	len -= off;
> > > > 
> > > > -	npa_lf_aura_op_range_set(mp->pool_id, iova, iova + len);
> > > > +	npa_lf_aura_op_range_set(mp->pool_id, iova + off, iova + len - off);
> > > > 
> > > >   	if (npa_lf_aura_range_update_check(mp->pool_id) < 0)
> > > >   		return -EBUSY;
> > > > 
> > > > -	return rte_mempool_op_populate_default(mp, max_objs, vaddr, iova,
> > > > len,
> > > > -					       obj_cb, obj_cb_arg);
> > > > +	/* the following is derived from rte_mempool_op_populate_default() */
> > > > +
> > > > +	ret = rte_mempool_get_page_size(mp, &pg_sz);
> > > > +	if (ret < 0)
> > > > +		return ret;
> > > > +
> > > > +	for (i = 0; i < max_objs; i++) {
> > > > +		/* avoid objects to cross page boundaries, and align
> > > > +		 * offset to a multiple of total_elt_sz.
> > > > +		 */
> > > > +		if (check_obj_bounds(va + off, pg_sz, total_elt_sz) < 0) {
> > > > +			off += RTE_PTR_ALIGN_CEIL(va + off, pg_sz) - (va +
> > > > off);
> > > > +			off += total_elt_sz - (((uintptr_t)(va + off - 1) %
> > > > +						total_elt_sz) + 1);
> > > > +		}
> > > > +
> > > > +		if (off + total_elt_sz > len)
> > > > +			break;
> > > > +
> > > > +		off += mp->header_size;
> > > > +		obj = va + off;
> > > > +		obj_cb(mp, obj_cb_arg, obj,
> > > > +		       (iova == RTE_BAD_IOVA) ? RTE_BAD_IOVA : (iova + off));
> > > > +		rte_mempool_ops_enqueue_bulk(mp, &obj, 1);
> > > > +		off += mp->elt_size + mp->trailer_size;
> > > > +	}
> > > > +
> > > > +	return i;
> > > >   }
> > > > 
> > > >   static struct rte_mempool_ops otx2_npa_ops = { diff --git
> > > > a/lib/librte_mempool/rte_mempool.c b/lib/librte_mempool/rte_mempool.c
> > > > index 758c5410b..d3db9273d 100644
> > > > --- a/lib/librte_mempool/rte_mempool.c
> > > > +++ b/lib/librte_mempool/rte_mempool.c
> > > > @@ -431,8 +431,6 @@ rte_mempool_get_page_size(struct rte_mempool *mp,
> > > > size_t *pg_sz)
> > > > 
> > > >   	if (!need_iova_contig_obj)
> > > >   		*pg_sz = 0;
> > > > -	else if (!alloc_in_ext_mem && rte_eal_iova_mode() == RTE_IOVA_VA)
> > > > -		*pg_sz = 0;
> > > >   	else if (rte_eal_has_hugepages() || alloc_in_ext_mem)
> > > >   		*pg_sz = get_min_page_size(mp->socket_id);
> > > >   	else
> > > > @@ -481,17 +479,15 @@ rte_mempool_populate_default(struct rte_mempool
> > > > *mp)
> > > >   	 * then just set page shift and page size to 0, because the user has
> > > >   	 * indicated that there's no need to care about anything.
> > > >   	 *
> > > > -	 * if we do need contiguous objects, there is also an option to reserve
> > > > -	 * the entire mempool memory as one contiguous block of memory, in
> > > > -	 * which case the page shift and alignment wouldn't matter as well.
> > > > +	 * if we do need contiguous objects (if a mempool driver has its
> > > > +	 * own calc_size() method returning min_chunk_size = mem_size),
> > > > +	 * there is also an option to reserve the entire mempool memory
> > > > +	 * as one contiguous block of memory.
> > > >   	 *
> > > >   	 * if we require contiguous objects, but not necessarily the entire
> > > > -	 * mempool reserved space to be contiguous, then there are two
> > > > options.
> > > > -	 *
> > > > -	 * if our IO addresses are virtual, not actual physical (IOVA as VA
> > > > -	 * case), then no page shift needed - our memory allocation will give us
> > > > -	 * contiguous IO memory as far as the hardware is concerned, so
> > > > -	 * act as if we're getting contiguous memory.
> > > > +	 * mempool reserved space to be contiguous, pg_sz will be != 0,
> > > > +	 * and the default ops->populate() will take care of not placing
> > > > +	 * objects across pages.
> > > >   	 *
> > > >   	 * if our IO addresses are physical, we may get memory from bigger
> > > >   	 * pages, or we might get memory from smaller pages, and how much
> > > > of it @@ -504,11 +500,6 @@ rte_mempool_populate_default(struct
> > > > rte_mempool *mp)
> > > >   	 *
> > > >   	 * If we fail to get enough contiguous memory, then we'll go and
> > > >   	 * reserve space in smaller chunks.
> > > > -	 *
> > > > -	 * We also have to take into account the fact that memory that we're
> > > > -	 * going to allocate from can belong to an externally allocated memory
> > > > -	 * area, in which case the assumption of IOVA as VA mode being
> > > > -	 * synonymous with IOVA contiguousness will not hold.
> > > >   	 */
> > > > 
> > > >   	need_iova_contig_obj = !(mp->flags &
> > > > MEMPOOL_F_NO_IOVA_CONTIG); diff --git
> > > > a/lib/librte_mempool/rte_mempool_ops_default.c
> > > > b/lib/librte_mempool/rte_mempool_ops_default.c
> > > > index f6aea7662..e5cd4600f 100644
> > > > --- a/lib/librte_mempool/rte_mempool_ops_default.c
> > > > +++ b/lib/librte_mempool/rte_mempool_ops_default.c
> > > > @@ -61,21 +61,47 @@ rte_mempool_op_calc_mem_size_default(const struct
> > > > rte_mempool *mp,
> > > >   	return mem_size;
> > > >   }
> > > > 
> > > > +/* Returns -1 if object crosses a page boundary, else returns 0 */
> > > > +static int check_obj_bounds(char *obj, size_t pg_sz, size_t elt_sz) {
> > > > +	if (pg_sz == 0)
> > > > +		return 0;
> > > > +	if (elt_sz > pg_sz)
> > > > +		return 0;
> > > > +	if (RTE_PTR_ALIGN(obj, pg_sz) != RTE_PTR_ALIGN(obj + elt_sz - 1,
> > > > pg_sz))
> > > > +		return -1;
> > > > +	return 0;
> > > > +}
> > > > +
> > > >   int
> > > >   rte_mempool_op_populate_default(struct rte_mempool *mp, unsigned int
> > > > max_objs,
> > > >   		void *vaddr, rte_iova_t iova, size_t len,
> > > >   		rte_mempool_populate_obj_cb_t *obj_cb, void *obj_cb_arg)  {
> > > > -	size_t total_elt_sz;
> > > > +	char *va = vaddr;
> > > > +	size_t total_elt_sz, pg_sz;
> > > >   	size_t off;
> > > >   	unsigned int i;
> > > >   	void *obj;
> > > > +	int ret;
> > > > +
> > > > +	ret = rte_mempool_get_page_size(mp, &pg_sz);
> > > > +	if (ret < 0)
> > > > +		return ret;
> > > > 
> > > >   	total_elt_sz = mp->header_size + mp->elt_size + mp->trailer_size;
> > > > 
> > > > -	for (off = 0, i = 0; off + total_elt_sz <= len && i < max_objs; i++) {
> > > > +	for (off = 0, i = 0; i < max_objs; i++) {
> > > > +		/* avoid objects to cross page boundaries */
> > > > +		if (check_obj_bounds(va + off, pg_sz, total_elt_sz) < 0)
> > > > +			off += RTE_PTR_ALIGN_CEIL(va + off, pg_sz) - (va +
> > > > off);
> > > > +
> > > > +		if (off + total_elt_sz > len)
> > > > +			break;
> > > > +
> > > >   		off += mp->header_size;
> > > > -		obj = (char *)vaddr + off;
> > > > +		obj = va + off;
> > > >   		obj_cb(mp, obj_cb_arg, obj,
> > > >   		       (iova == RTE_BAD_IOVA) ? RTE_BAD_IOVA : (iova + off));
> > > >   		rte_mempool_ops_enqueue_bulk(mp, &obj, 1);
> > > > --
> > > > 2.20.1
> 

  reply index

Thread overview: 251+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-09-27 10:49 [PATCH] kni: add IOVA va support for kni Kiran Kumar
2018-09-27 10:58 ` Burakov, Anatoly
2018-10-02 17:05 ` Ferruh Yigit
2019-04-01 17:30   ` Jerin Jacob Kollanukkaran
2019-04-01 18:20     ` Ferruh Yigit
2019-04-01  9:51 ` [PATCH v2] " Kiran Kumar Kokkilagadda
2019-04-03 16:29   ` Ferruh Yigit
2019-04-04  5:03     ` [dpdk-dev] [EXT] " Kiran Kumar Kokkilagadda
2019-04-04 11:20       ` Ferruh Yigit
2019-04-04 13:29         ` Burakov, Anatoly
2019-04-04  9:57     ` Burakov, Anatoly
2019-04-04 11:21       ` Ferruh Yigit
2019-04-16  4:55   ` [dpdk-dev] [PATCH v3] " kirankumark
2019-04-19 10:38     ` Thomas Monjalon
2019-04-22  4:39     ` [dpdk-dev] [PATCH v4] " kirankumark
2019-04-22  6:15       ` [dpdk-dev] [PATCH v5] " kirankumark
2019-04-26  9:11         ` Burakov, Anatoly
2019-06-25  3:56         ` [dpdk-dev] [PATCH v6 0/4] add IOVA = VA support in KNI vattunuru
2019-06-25  3:56           ` [dpdk-dev] [PATCH v6 1/4] lib/mempool: skip populating mempool objs that falls on page boundaries vattunuru
2019-06-25  3:56           ` [dpdk-dev] [PATCH v6 2/4] lib/kni: add PCI related information vattunuru
2019-06-25 17:41             ` Stephen Hemminger
2019-06-26  3:48               ` [dpdk-dev] [EXT] " Vamsi Krishna Attunuru
2019-06-26 14:58                 ` Stephen Hemminger
2019-06-27  9:43                   ` Vamsi Krishna Attunuru
2019-07-11 16:22             ` [dpdk-dev] " Ferruh Yigit
2019-07-12 11:02               ` [dpdk-dev] [EXT] " Vamsi Krishna Attunuru
2019-07-12 11:11                 ` Ferruh Yigit
2019-06-25  3:56           ` [dpdk-dev] [PATCH v6 3/4] example/kni: add IOVA support for kni application vattunuru
2019-07-11 16:23             ` Ferruh Yigit
2019-06-25  3:57           ` [dpdk-dev] [PATCH v6 4/4] kernel/linux/kni: add IOVA support in kni module vattunuru
2019-07-11 16:30             ` Ferruh Yigit
2019-07-12 10:38               ` [dpdk-dev] [EXT] " Vamsi Krishna Attunuru
2019-07-12 11:10                 ` Ferruh Yigit
2019-07-12 12:27                   ` Vamsi Krishna Attunuru
2019-07-12 16:29                   ` Vamsi Krishna Attunuru
2019-07-15 11:26                     ` Ferruh Yigit
2019-07-15 13:06                       ` Vamsi Krishna Attunuru
2019-07-11 16:43             ` [dpdk-dev] " Stephen Hemminger
2019-06-25 10:00           ` [dpdk-dev] [PATCH v6 0/4] add IOVA = VA support in KNI Burakov, Anatoly
2019-06-25 11:15             ` Jerin Jacob Kollanukkaran
2019-06-25 11:30               ` Burakov, Anatoly
2019-06-25 13:38                 ` Burakov, Anatoly
2019-06-27  9:34                   ` Jerin Jacob Kollanukkaran
2019-07-01 13:51                     ` Vamsi Krishna Attunuru
2019-07-04  6:42                       ` Vamsi Krishna Attunuru
2019-07-04  9:48                         ` Jerin Jacob Kollanukkaran
2019-07-11 16:21                           ` Ferruh Yigit
2019-07-17  9:04           ` [dpdk-dev] [PATCH v7 0/4] kni: add IOVA=VA support vattunuru
2019-07-17  9:04             ` [dpdk-dev] [PATCH v7 1/4] mempool: modify mempool populate() to skip objects from page boundaries vattunuru
2019-07-17 13:36               ` Andrew Rybchenko
2019-07-17 13:47                 ` Olivier Matz
2019-07-17 17:31                 ` Vamsi Krishna Attunuru
2019-07-18  9:28                   ` Andrew Rybchenko
2019-07-18 14:16                     ` Vamsi Krishna Attunuru
2019-07-19 13:38                       ` [dpdk-dev] [RFC 0/4] mempool: avoid objects allocations across pages Olivier Matz
2019-07-19 13:38                         ` [dpdk-dev] [RFC 1/4] mempool: clarify default populate function Olivier Matz
2019-07-19 15:42                           ` Andrew Rybchenko
2019-10-08  9:36                             ` Olivier Matz
2019-07-19 13:38                         ` [dpdk-dev] [RFC 2/4] mempool: unalign size when calculating required mem amount Olivier Matz
2019-08-07 15:21                           ` [dpdk-dev] ***Spam*** " Andrew Rybchenko
2019-10-28 14:06                             ` Olivier Matz
2019-07-19 13:38                         ` [dpdk-dev] [RFC 3/4] mempool: introduce function to get mempool page size Olivier Matz
2019-08-07 15:21                           ` Andrew Rybchenko
2019-10-28 14:06                             ` Olivier Matz
2019-07-19 13:38                         ` [dpdk-dev] [RFC 4/4] mempool: prevent objects from being across pages Olivier Matz
2019-07-19 14:03                           ` Burakov, Anatoly
2019-10-28 14:07                             ` Olivier Matz
2019-07-19 14:11                           ` Burakov, Anatoly
2019-08-07 15:21                           ` Andrew Rybchenko
2019-10-28 14:07                             ` Olivier Matz
2019-10-29 11:03                               ` Andrew Rybchenko
2019-07-23  5:37                         ` [dpdk-dev] [RFC 0/4] mempool: avoid objects allocations " Vamsi Krishna Attunuru
2019-08-07 15:21                         ` [dpdk-dev] ***Spam*** " Andrew Rybchenko
2019-10-28 14:06                           ` Olivier Matz
2019-10-28 14:01                         ` [dpdk-dev] [PATCH 0/5] " Olivier Matz
2019-10-28 14:01                           ` [dpdk-dev] [PATCH 1/5] mempool: allow unaligned addr/len in populate virt Olivier Matz
2019-10-29  9:02                             ` [dpdk-dev] [EXT] " Vamsi Krishna Attunuru
2019-10-29  9:13                               ` Olivier Matz
2019-10-29  9:18                                 ` Vamsi Krishna Attunuru
2019-10-29  9:21                             ` [dpdk-dev] " Andrew Rybchenko
2019-10-29 17:02                               ` Olivier Matz
2019-10-28 14:01                           ` [dpdk-dev] [PATCH 2/5] mempool: reduce wasted space on mempool populate Olivier Matz
2019-10-29 10:09                             ` Andrew Rybchenko
2019-10-29 17:09                               ` Olivier Matz
2019-10-28 14:01                           ` [dpdk-dev] [PATCH 3/5] mempool: remove optimistic IOVA-contiguous allocation Olivier Matz
2019-10-29 10:25                             ` Andrew Rybchenko
2019-10-29 17:20                               ` Olivier Matz
2019-10-30  7:36                                 ` Andrew Rybchenko
2019-10-30  7:44                                   ` Andrew Rybchenko
2019-10-30 10:38                                     ` Olivier Matz
2019-10-28 14:01                           ` [dpdk-dev] [PATCH 4/5] mempool: introduce function to get mempool page size Olivier Matz
2019-10-29 10:31                             ` Andrew Rybchenko
2019-10-29 17:20                               ` Olivier Matz
2019-10-30  8:32                                 ` Olivier Matz
2019-10-30 14:29                                   ` Olivier Matz
2019-10-28 14:01                           ` [dpdk-dev] [PATCH 5/5] mempool: prevent objects from being across pages Olivier Matz
2019-10-29 10:59                             ` [dpdk-dev] ***Spam*** " Andrew Rybchenko
2019-10-29 17:34                               ` Olivier Matz
2019-10-30  7:56                                 ` [dpdk-dev] " Andrew Rybchenko
2019-10-29 17:25                             ` [dpdk-dev] [EXT] " Vamsi Krishna Attunuru
2019-10-30  3:55                               ` Vamsi Krishna Attunuru
2019-10-30  7:46                               ` Andrew Rybchenko
2019-10-30  8:38                                 ` Jerin Jacob
2019-10-30 14:33                                   ` Olivier Matz
2019-10-30 14:54                                     ` Jerin Jacob
2019-10-30  8:42                                 ` Olivier Matz
2019-10-30 14:36                         ` [dpdk-dev] [PATCH v2 0/6] mempool: avoid objects allocations " Olivier Matz
2019-10-30 14:36                           ` [dpdk-dev] [PATCH v2 1/6] mempool: allow unaligned addr/len in populate virt Olivier Matz
2019-10-30 14:36                           ` [dpdk-dev] [PATCH v2 2/6] mempool: reduce wasted space on mempool populate Olivier Matz
2019-10-30 14:36                           ` [dpdk-dev] [PATCH v2 3/6] mempool: remove optimistic IOVA-contiguous allocation Olivier Matz
2019-10-30 14:36                           ` [dpdk-dev] [PATCH v2 4/6] mempool: introduce function to get mempool page size Olivier Matz
2019-10-30 14:36                           ` [dpdk-dev] [PATCH v2 5/6] mempool: prevent objects from being across pages Olivier Matz
2019-10-31  6:54                             ` [dpdk-dev] [EXT] " Vamsi Krishna Attunuru
2019-10-31  8:19                               ` Jerin Jacob
2019-10-31  8:29                                 ` Olivier Matz
2019-10-31  8:24                               ` Olivier Matz
2019-10-31  8:33                                 ` Andrew Rybchenko
2019-10-31  8:45                                   ` Olivier Matz [this message]
2019-10-30 14:36                           ` [dpdk-dev] [PATCH v2 6/6] mempool: use the specific macro for object alignment Olivier Matz
2019-10-30 14:55                             ` Andrew Rybchenko
2019-11-01  3:56                           ` [dpdk-dev] [PATCH v2 0/6] mempool: avoid objects allocations across pages Nipun Gupta
2019-11-04 15:12                         ` [dpdk-dev] [PATCH v3 0/7] " Olivier Matz
2019-11-04 15:12                           ` [dpdk-dev] [PATCH v3 1/7] mempool: allow unaligned addr/len in populate virt Olivier Matz
2019-11-04 15:12                           ` [dpdk-dev] [PATCH v3 2/7] mempool: reduce wasted space on mempool populate Olivier Matz
2019-11-04 15:12                           ` [dpdk-dev] [PATCH v3 3/7] mempool: remove optimistic IOVA-contiguous allocation Olivier Matz
2019-11-04 15:12                           ` [dpdk-dev] [PATCH v3 4/7] mempool: introduce function to get mempool page size Olivier Matz
2019-11-04 15:12                           ` [dpdk-dev] [PATCH v3 5/7] mempool: introduce helpers for populate and calc mem size Olivier Matz
2019-11-05 12:19                             ` Andrew Rybchenko
2019-11-04 15:12                           ` [dpdk-dev] [PATCH v3 6/7] mempool: prevent objects from being across pages Olivier Matz
2019-11-05 12:22                             ` Andrew Rybchenko
2019-11-04 15:12                           ` [dpdk-dev] [PATCH v3 7/7] mempool: use the specific macro for object alignment Olivier Matz
2019-11-05 12:15                             ` Andrew Rybchenko
2019-11-05 12:48                               ` Olivier Matz
2019-11-05 15:36                         ` [dpdk-dev] [PATCH v4 0/7] mempool: avoid objects allocations across pages Olivier Matz
2019-11-05 15:37                           ` [dpdk-dev] [PATCH v4 1/7] mempool: allow unaligned addr/len in populate virt Olivier Matz
2019-11-05 15:37                           ` [dpdk-dev] [PATCH v4 2/7] mempool: reduce wasted space on mempool populate Olivier Matz
2019-11-05 15:37                           ` [dpdk-dev] [PATCH v4 3/7] mempool: remove optimistic IOVA-contiguous allocation Olivier Matz
2019-11-05 15:37                           ` [dpdk-dev] [PATCH v4 4/7] mempool: introduce function to get mempool page size Olivier Matz
2019-11-05 15:37                           ` [dpdk-dev] [PATCH v4 5/7] mempool: introduce helpers for populate and calc mem size Olivier Matz
2019-11-05 15:37                           ` [dpdk-dev] [PATCH v4 6/7] mempool: prevent objects from being across pages Olivier Matz
2019-11-05 15:37                           ` [dpdk-dev] [PATCH v4 7/7] mempool: use the specific macro for object alignment Olivier Matz
2019-11-05 16:03                           ` [dpdk-dev] [PATCH v4 0/7] mempool: avoid objects allocations across pages Olivier Matz
2019-11-06 10:39                           ` Thomas Monjalon
2019-07-17  9:04             ` [dpdk-dev] [PATCH v7 2/4] kni: add IOVA = VA support in KNI lib vattunuru
2019-07-17  9:04             ` [dpdk-dev] [PATCH v7 3/4] kni: add IOVA=VA support in KNI module vattunuru
2019-07-17  9:04             ` [dpdk-dev] [PATCH v7 4/4] kni: modify IOVA mode checks to support VA vattunuru
2019-07-23  5:38             ` [dpdk-dev] [PATCH v8 0/5] kni: add IOVA=VA support vattunuru
2019-07-23  5:38               ` [dpdk-dev] [PATCH v8 1/5] mempool: populate mempool with page sized chunks of memory vattunuru
2019-07-23 11:08                 ` Andrew Rybchenko
2019-07-23 12:28                   ` Vamsi Krishna Attunuru
2019-07-23 19:33                     ` Andrew Rybchenko
2019-07-24  7:09                       ` Vamsi Krishna Attunuru
2019-07-24  7:27                         ` Andrew Rybchenko
2019-07-29  6:25                           ` Vamsi Krishna Attunuru
2019-07-23  5:38               ` [dpdk-dev] [PATCH v8 2/5] add IOVA -VA support in KNI lib vattunuru
2019-07-23 10:54                 ` Andrew Rybchenko
2019-07-23  5:38               ` [dpdk-dev] [PATCH v8 3/5] kni: add app specific mempool create & free routine vattunuru
2019-07-23 10:50                 ` Andrew Rybchenko
2019-07-23 11:01                   ` Vamsi Krishna Attunuru
2019-07-23  5:38               ` [dpdk-dev] [PATCH v8 4/5] kni: add IOVA=VA support in KNI module vattunuru
2019-07-23  5:38               ` [dpdk-dev] [PATCH v8 5/5] kni: modify IOVA mode checks to support VA vattunuru
2019-07-24  7:14               ` [dpdk-dev] [PATCH v8 0/5] kni: add IOVA=VA support Vamsi Krishna Attunuru
2019-07-29 12:13               ` [dpdk-dev] [PATCH v9 " vattunuru
2019-07-29 12:13                 ` [dpdk-dev] [PATCH v9 1/5] mempool: populate mempool with the page sized chunks of memory vattunuru
2019-07-29 12:41                   ` Andrew Rybchenko
2019-07-29 13:33                     ` [dpdk-dev] [EXT] " Vamsi Krishna Attunuru
2019-08-16  6:12                   ` [dpdk-dev] [PATCH v10 0/5] kni: add IOVA=VA support vattunuru
2019-08-16  6:12                     ` [dpdk-dev] [PATCH v10 1/5] mempool: populate mempool with the page sized chunks vattunuru
2019-10-08  9:26                       ` Olivier Matz
2019-10-09  5:29                         ` Vamsi Krishna Attunuru
2019-08-16  6:12                     ` [dpdk-dev] [PATCH v10 2/5] kni: add IOVA=VA support in KNI lib vattunuru
2019-10-15 15:36                       ` Yigit, Ferruh
2019-08-16  6:12                     ` [dpdk-dev] [PATCH v10 3/5] kni: add app specific mempool create and free routines vattunuru
2019-10-15 15:40                       ` Yigit, Ferruh
2019-08-16  6:12                     ` [dpdk-dev] [PATCH v10 4/5] kni: add IOVA=VA support in KNI module vattunuru
2019-10-15 15:43                       ` Yigit, Ferruh
2019-10-15 15:46                         ` Stephen Hemminger
2019-10-16 11:26                           ` [dpdk-dev] [EXT] " Vamsi Krishna Attunuru
2019-10-16 14:37                             ` Vamsi Krishna Attunuru
2019-10-16 16:14                             ` Ferruh Yigit
2019-10-18 17:15                               ` Vamsi Krishna Attunuru
2019-10-21 11:45                                 ` Ferruh Yigit
2019-08-16  6:12                     ` [dpdk-dev] [PATCH v10 5/5] kni: modify IOVA mode checks to support VA vattunuru
2019-09-25  4:00                     ` [dpdk-dev] [PATCH v10 0/5] kni: add IOVA=VA support Vamsi Krishna Attunuru
2019-10-08  5:08                       ` Vamsi Krishna Attunuru
2019-10-14  4:05                         ` Vamsi Krishna Attunuru
2019-10-15 15:34                     ` Yigit, Ferruh
2019-10-16 12:17                       ` Vamsi Krishna Attunuru
2019-10-16 16:21                         ` Ferruh Yigit
2019-10-18 16:42                           ` [dpdk-dev] [EXT] " Vamsi Krishna Attunuru
2019-10-21  8:03                     ` [dpdk-dev] [PATCH v11 0/4] kni: add IOVA=VA mode support vattunuru
2019-10-21  8:03                       ` [dpdk-dev] [PATCH v11 1/4] mempool: populate mempool with the page sized chunks vattunuru
2019-10-21  8:03                       ` [dpdk-dev] [PATCH v11 2/4] eal: add legacy kni option vattunuru
2019-10-21 11:55                         ` Ferruh Yigit
2019-10-21 13:13                           ` [dpdk-dev] [EXT] " Vamsi Krishna Attunuru
2019-10-21 13:32                             ` Ferruh Yigit
2019-10-21 14:38                               ` Vamsi Krishna Attunuru
2019-10-22  9:29                                 ` Vamsi Krishna Attunuru
2019-10-22 12:28                                 ` Andrew Rybchenko
2019-10-22 13:31                                   ` Vamsi Krishna Attunuru
2019-10-23 10:12                                     ` Jerin Jacob
2019-10-23 14:47                                       ` Olivier Matz
2019-10-23 15:02                                         ` Jerin Jacob
2019-10-24 17:35                                           ` Olivier Matz
2019-10-24 19:30                                             ` Jerin Jacob
2019-10-25  9:20                                               ` Vamsi Krishna Attunuru
2019-10-26 12:25                                                 ` Olivier Matz
2019-10-26 14:09                                                   ` Vamsi Krishna Attunuru
2019-10-28 14:05                                                     ` Olivier Matz
2019-10-21  8:03                       ` [dpdk-dev] [PATCH v11 3/4] kni: add IOVA=VA support vattunuru
2019-10-21  8:03                       ` [dpdk-dev] [PATCH v11 4/4] kni: add IOVA=VA support in kernel module vattunuru
2019-10-21 12:02                         ` Ferruh Yigit
2019-11-05 11:04                       ` [dpdk-dev] [PATCH v12 0/2] add IOVA=VA mode support vattunuru
2019-11-05 11:04                         ` [dpdk-dev] [PATCH v12 1/2] kni: " vattunuru
2019-11-14 10:57                           ` David Marchand
2019-11-14 11:13                             ` David Marchand
2019-11-14 12:10                               ` [dpdk-dev] [EXT] " Vamsi Krishna Attunuru
2019-11-14 12:25                                 ` David Marchand
2019-11-14 17:48                             ` [dpdk-dev] " David Marchand
2019-11-05 11:04                         ` [dpdk-dev] [PATCH v12 2/2] kni: add IOVA=VA support in kernel module vattunuru
2019-11-06 10:49                         ` [dpdk-dev] [PATCH v12 0/2] add IOVA=VA mode support Thomas Monjalon
2019-11-06 11:09                           ` [dpdk-dev] [EXT] " Vamsi Krishna Attunuru
2019-11-06 11:53                             ` Thomas Monjalon
2019-11-06 11:59                               ` Vamsi Krishna Attunuru
2019-11-07 10:34                             ` Vamsi Krishna Attunuru
2019-11-07 19:53                         ` [dpdk-dev] " Ferruh Yigit
2019-11-08  4:16                           ` [dpdk-dev] [EXT] " Vamsi Krishna Attunuru
2019-11-08 14:26                             ` Ferruh Yigit
2019-11-08 14:54                               ` Jerin Jacob
2019-11-13  6:33                                 ` Vamsi Krishna Attunuru
2019-11-13 12:32                                   ` Ferruh Yigit
2019-11-15 11:18                         ` [dpdk-dev] [PATCH v13 0/2] kni: support IOVA mode vattunuru
2019-11-15 11:18                           ` [dpdk-dev] [PATCH v13 1/2] kni: support IOVA mode in kernel module vattunuru
2019-11-15 11:18                           ` [dpdk-dev] [PATCH v13 2/2] kni: support IOVA mode vattunuru
2019-11-15 12:11                             ` Ferruh Yigit
2019-11-15 12:59                             ` David Marchand
2019-11-15 13:35                               ` [dpdk-dev] [EXT] " Vamsi Krishna Attunuru
2019-11-15 13:40                                 ` David Marchand
2019-11-15 13:40                               ` [dpdk-dev] " Jerin Jacob
2019-11-15 14:56                                 ` David Marchand
2019-11-15 15:22                                   ` Jerin Jacob
2019-11-15 17:07                           ` [dpdk-dev] [PATCH v14 0/2] " vattunuru
2019-11-15 17:07                             ` [dpdk-dev] [PATCH v14 1/2] kni: support IOVA mode in kernel module vattunuru
2019-11-15 17:07                             ` [dpdk-dev] [PATCH v14 2/2] kni: support IOVA mode vattunuru
2019-07-29 12:13                 ` [dpdk-dev] [PATCH v9 2/5] kni: add IOVA=VA support in KNI lib vattunuru
2019-07-29 12:24                   ` Igor Ryzhov
2019-07-29 13:22                     ` [dpdk-dev] [EXT] " Vamsi Krishna Attunuru
2019-07-29 12:13                 ` [dpdk-dev] [PATCH v9 3/5] kni: add app specific mempool create & free routine vattunuru
2019-07-29 12:13                 ` [dpdk-dev] [PATCH v9 4/5] kni: add IOVA=VA support in KNI module vattunuru
2019-07-29 12:13                 ` [dpdk-dev] [PATCH v9 5/5] kni: modify IOVA mode checks to support VA vattunuru
2019-04-23  8:56       ` [dpdk-dev] [PATCH v4] kni: add IOVA va support for kni Burakov, Anatoly

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