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From: Hemant Agrawal <hemant.agrawal@nxp.com>
To: Honnappa Nagarahalli <Honnappa.Nagarahalli@arm.com>,
	"yskoh@mellanox.com" <yskoh@mellanox.com>,
	"bruce.richardson@intel.com" <bruce.richardson@intel.com>,
	"jerinj@marvell.com" <jerinj@marvell.com>,
	"pbhagavatula@marvell.com" <pbhagavatula@marvell.com>,
	"shahafs@mellanox.com" <shahafs@mellanox.com>
Cc: "dev@dpdk.org" <dev@dpdk.org>,
	"thomas@monjalon.net" <thomas@monjalon.net>,
	"Gavin Hu (Arm Technology China)" <Gavin.Hu@arm.com>,
	nd <nd@arm.com>, nd <nd@arm.com>
Subject: Re: [dpdk-dev] [EXT] Re: [PATCH v2 2/4] meson: change default cache line size	for armv8
Date: Thu, 18 Apr 2019 08:23:56 +0000	[thread overview]
Message-ID: <VI1PR0401MB2541FFDECCDB3AE590B69AB589260@VI1PR0401MB2541.eurprd04.prod.outlook.com> (raw)
Message-ID: <20190418082356.4rqyhuY4CSKDR9X38mdgQZaBufYBsySSTb57zRHtzxk@z> (raw)
In-Reply-To: <VE1PR08MB5149C96A0A7A5554E357F3AF98260@VE1PR08MB5149.eurprd08.prod.outlook.com>

> -----Original Message-----
> From: dev <dev-bounces@dpdk.org> On Behalf Of Honnappa Nagarahalli
> Sent: Thursday, April 18, 2019 10:31 AM
> To: yskoh@mellanox.com; bruce.richardson@intel.com; jerinj@marvell.com;
> pbhagavatula@marvell.com; shahafs@mellanox.com
> Cc: dev@dpdk.org; thomas@monjalon.net; Gavin Hu (Arm Technology
> China) <Gavin.Hu@arm.com>; Honnappa Nagarahalli
> <Honnappa.Nagarahalli@arm.com>; nd <nd@arm.com>; nd <nd@arm.com>
> Subject: [EXT] Re: [dpdk-dev] [PATCH v2 2/4] meson: change default cache
> line size for armv8
> 
 
> >
> > Currently, the cache line size of armv8 CPUs having Implementor ID of
> > 0x41 is
> > 64 bytes.
> I guess you meant to say 128 bytes


"the current default is 128, changing it to 64."
 
> 
> >
> > Signed-off-by: Yongseok Koh <yskoh@mellanox.com>
> > ---
> >
> > v2:
> > * introduce flags_arm replacing flags_generic instead of using the
> > extra flags
> >
> >  config/arm/meson.build | 7 ++++++-
> >  1 file changed, 6 insertions(+), 1 deletion(-)
> >
> > diff --git a/config/arm/meson.build b/config/arm/meson.build index
> > 22a062bad9..1db4ad2ee7 100644
> > --- a/config/arm/meson.build
> > +++ b/config/arm/meson.build
> > @@ -32,6 +32,11 @@ flags_generic = [
> >       ['RTE_MAX_LCORE', 256],
> >       ['RTE_USE_C11_MEM_MODEL', true],
> >       ['RTE_CACHE_LINE_SIZE', 128]]
> > +flags_arm = [
> > +     ['RTE_MACHINE', '"armv8a"'],
> > +     ['RTE_MAX_LCORE', 256],
> I am not aware of any implementations with implementor ID 0x41. Bluefield
> is the first one I am aware of. May be we can keep this smaller, 16?

NXP also support implementer as 0x41, 16 will be good. 

> 
> > +     ['RTE_USE_C11_MEM_MODEL', true],
> > +     ['RTE_CACHE_LINE_SIZE', 64]]
> >  flags_cavium = [
> >       ['RTE_CACHE_LINE_SIZE', 128],
> >       ['RTE_MAX_NUMA_NODES', 2],
> > @@ -88,7 +93,7 @@ machine_args_cavium = [
> >
> >  ## Arm implementer ID (ARM DDI 0487C.a, Section G7.2.106, Page
> > G7-5321) impl_generic = ['Generic armv8', flags_generic,
> > machine_args_generic]
> > -impl_0x41 = ['Arm', flags_generic, machine_args_generic]
> > +impl_0x41 = ['Arm', flags_arm, machine_args_generic]
> >  impl_0x42 = ['Broadcom', flags_generic, machine_args_generic]
> >  impl_0x43 = ['Cavium', flags_cavium, machine_args_cavium]
> >  impl_0x44 = ['DEC', flags_generic, machine_args_generic]
> > --
> > 2.11.0


  parent reply	other threads:[~2019-04-18  8:23 UTC|newest]

Thread overview: 120+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-04-12 23:24 [dpdk-dev] [PATCH 0/6] build: fix build for arm64 Yongseok Koh
2019-04-12 23:24 ` Yongseok Koh
2019-04-12 23:24 ` [dpdk-dev] [PATCH 1/6] meson: disable octeontx for buggy compilers on arm64 Yongseok Koh
2019-04-12 23:24   ` Yongseok Koh
2019-04-13  5:52   ` [dpdk-dev] [EXT] " Pavan Nikhilesh Bhagavatula
2019-04-13  5:52     ` Pavan Nikhilesh Bhagavatula
2019-04-15 18:16     ` Yongseok Koh
2019-04-15 18:16       ` Yongseok Koh
2019-04-12 23:24 ` [dpdk-dev] [PATCH 2/6] meson: change default cache line size for cortex-a72 Yongseok Koh
2019-04-12 23:24   ` Yongseok Koh
2019-04-13  6:43   ` [dpdk-dev] [EXT] " Jerin Jacob Kollanukkaran
2019-04-13  6:43     ` Jerin Jacob Kollanukkaran
2019-04-15  4:35     ` Honnappa Nagarahalli
2019-04-15  4:35       ` Honnappa Nagarahalli
2019-04-15 13:40       ` Honnappa Nagarahalli
2019-04-15 13:40         ` Honnappa Nagarahalli
2019-04-15 20:40         ` Yongseok Koh
2019-04-15 20:40           ` Yongseok Koh
2019-04-15 20:44           ` Honnappa Nagarahalli
2019-04-15 20:44             ` Honnappa Nagarahalli
2019-04-12 23:24 ` [dpdk-dev] [PATCH 3/6] net/mlx: fix library search in meson build Yongseok Koh
2019-04-12 23:24   ` Yongseok Koh
2019-04-15  9:19   ` Bruce Richardson
2019-04-15  9:19     ` Bruce Richardson
2019-04-15 19:48     ` Yongseok Koh
2019-04-15 19:48       ` Yongseok Koh
2019-04-15 10:12   ` Luca Boccassi
2019-04-15 10:12     ` Luca Boccassi
2019-04-15 19:48     ` Yongseok Koh
2019-04-15 19:48       ` Yongseok Koh
2019-04-18  9:25       ` Luca Boccassi
2019-04-18  9:25         ` Luca Boccassi
2019-04-18 10:14         ` Bruce Richardson
2019-04-18 10:14           ` Bruce Richardson
2019-04-18 11:25           ` Yongseok Koh
2019-04-18 11:25             ` Yongseok Koh
2019-04-12 23:24 ` [dpdk-dev] [PATCH 4/6] meson: add Mellanox BlueField cross-compile config Yongseok Koh
2019-04-12 23:24   ` Yongseok Koh
2019-04-13  7:04   ` [dpdk-dev] [EXT] " Jerin Jacob Kollanukkaran
2019-04-13  7:04     ` Jerin Jacob Kollanukkaran
2019-04-12 23:24 ` [dpdk-dev] [PATCH 5/6] build: add option for armv8 crypto extension Yongseok Koh
2019-04-12 23:24   ` Yongseok Koh
2019-04-13  7:22   ` [dpdk-dev] [EXT] " Jerin Jacob Kollanukkaran
2019-04-13  7:22     ` Jerin Jacob Kollanukkaran
2019-04-15  4:52     ` Honnappa Nagarahalli
2019-04-15  4:52       ` Honnappa Nagarahalli
2019-04-15 18:43     ` Yongseok Koh
2019-04-15 18:43       ` Yongseok Koh
2019-04-15 20:13       ` Honnappa Nagarahalli
2019-04-15 20:13         ` Honnappa Nagarahalli
2019-04-17 16:28         ` Yongseok Koh
2019-04-17 16:28           ` Yongseok Koh
2019-04-30  3:33           ` Honnappa Nagarahalli
2019-04-30  3:33             ` Honnappa Nagarahalli
2019-05-02  1:54             ` Yongseok Koh
2019-05-02  1:54               ` Yongseok Koh
2019-05-02 10:13             ` Jerin Jacob Kollanukkaran
2019-05-02 10:13               ` Jerin Jacob Kollanukkaran
2019-05-02 23:08               ` Yongseok Koh
2019-05-02 23:08                 ` Yongseok Koh
2019-05-02 23:33                 ` Yongseok Koh
2019-05-02 23:33                   ` Yongseok Koh
2019-05-03 10:28                   ` Jerin Jacob Kollanukkaran
2019-05-03 10:28                     ` Jerin Jacob Kollanukkaran
2019-05-03  3:54                 ` Honnappa Nagarahalli
2019-05-03  3:54                   ` Honnappa Nagarahalli
2019-05-03  9:49                   ` Yongseok Koh
2019-05-03  9:49                     ` Yongseok Koh
2019-05-03 14:21                     ` Honnappa Nagarahalli
2019-05-03 14:21                       ` Honnappa Nagarahalli
2019-04-12 23:24 ` [dpdk-dev] [PATCH 6/6] mk: disable armv8 crypto extension for Mellanox BlueField Yongseok Koh
2019-04-12 23:24   ` Yongseok Koh
2019-04-13  7:12 ` [dpdk-dev] [EXT] [PATCH 0/6] build: fix build for arm64 Jerin Jacob Kollanukkaran
2019-04-13  7:12   ` Jerin Jacob Kollanukkaran
2019-04-15 20:56   ` Yongseok Koh
2019-04-15 20:56     ` Yongseok Koh
2019-04-16  5:57     ` Jerin Jacob Kollanukkaran
2019-04-16  5:57       ` Jerin Jacob Kollanukkaran
2019-04-17 20:06 ` [dpdk-dev] " Thomas Monjalon
2019-04-17 20:06   ` Thomas Monjalon
2019-04-17 20:24   ` Honnappa Nagarahalli
2019-04-17 20:24     ` Honnappa Nagarahalli
2019-04-17 22:14   ` Yongseok Koh
2019-04-17 22:14     ` Yongseok Koh
2019-04-18  1:47 ` [dpdk-dev] [PATCH v2 1/4] meson: disable octeontx for buggy compilers on arm64 Yongseok Koh
2019-04-18  1:47   ` Yongseok Koh
2019-04-18  1:47   ` [dpdk-dev] [PATCH v2 2/4] meson: change default cache line size for armv8 Yongseok Koh
2019-04-18  1:47     ` Yongseok Koh
2019-04-18  5:00     ` Honnappa Nagarahalli
2019-04-18  5:00       ` Honnappa Nagarahalli
2019-04-18  8:23       ` Hemant Agrawal [this message]
2019-04-18  8:23         ` [dpdk-dev] [EXT] " Hemant Agrawal
2019-04-18 11:32         ` Yongseok Koh
2019-04-18 11:32           ` Yongseok Koh
2019-04-18  1:47   ` [dpdk-dev] [PATCH v2 3/4] net/mlx: fix library search in meson build Yongseok Koh
2019-04-18  1:47     ` Yongseok Koh
2019-04-18  1:47   ` [dpdk-dev] [PATCH v2 4/4] meson: add Mellanox BlueField cross-compile config Yongseok Koh
2019-04-18  1:47     ` Yongseok Koh
2019-04-18  7:21   ` [dpdk-dev] [EXT] [PATCH v2 1/4] meson: disable octeontx for buggy compilers on arm64 Jerin Jacob Kollanukkaran
2019-04-18  7:21     ` Jerin Jacob Kollanukkaran
2019-04-18 10:41     ` Yongseok Koh
2019-04-18 10:41       ` Yongseok Koh
2019-04-18 11:04       ` Thomas Monjalon
2019-04-18 11:04         ` Thomas Monjalon
2019-04-18 11:10         ` Yongseok Koh
2019-04-18 11:10           ` Yongseok Koh
2019-04-18 11:49 ` [dpdk-dev] [PATCH v3 1/4] drivers/event: " Yongseok Koh
2019-04-18 11:49   ` Yongseok Koh
2019-04-18 11:49   ` [dpdk-dev] [PATCH v3 2/4] meson: change default config for armv8 Yongseok Koh
2019-04-18 11:49     ` Yongseok Koh
2019-04-18 14:25     ` Honnappa Nagarahalli
2019-04-18 14:25       ` Honnappa Nagarahalli
2019-04-18 11:49   ` [dpdk-dev] [PATCH v3 3/4] net/mlx: fix library search in meson build Yongseok Koh
2019-04-18 11:49     ` Yongseok Koh
2019-04-18 12:02     ` Luca Boccassi
2019-04-18 12:02       ` Luca Boccassi
2019-04-18 11:49   ` [dpdk-dev] [PATCH v3 4/4] meson: add Mellanox BlueField cross-compile config Yongseok Koh
2019-04-18 11:49     ` Yongseok Koh
2019-04-18 16:23     ` Thomas Monjalon
2019-04-18 16:23       ` Thomas Monjalon

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