From: Thomas Monjalon <thomas@monjalon.net>
To: Joyce Kong <Joyce.Kong@arm.com>
Cc: Stephen Hemminger <stephen@networkplumber.org>,
stable@dpdk.org, Ruifeng Wang <Ruifeng.Wang@arm.com>,
"bruce.richardson@intel.com" <bruce.richardson@intel.com>,
"dev@dpdk.org" <dev@dpdk.org>, nd <nd@arm.com>,
"stable@dpdk.org" <stable@dpdk.org>,
Jerin Jacob <jerinj@marvell.com>,
Pavan Nikhilesh Bhagavatula <pbhagavatula@marvell.com>,
paul.szczepanek@arm.com
Subject: Re: [PATCH v4 1/2] config: correct cpu instruction set for cross build
Date: Wed, 06 Mar 2024 15:43:43 +0100 [thread overview]
Message-ID: <1915782.GKX7oQKdZx@thomas> (raw)
In-Reply-To: <PH0PR18MB4086682502BC2DDFF4F59166DE702@PH0PR18MB4086.namprd18.prod.outlook.com>
> > > > The platform value would be 'native' only when not cross build.
> > > > Move the operation about modifying cpu_instruction_set while platform
> > > > equals 'native' to the not cross build branch.
> > > >
> > > > Fixes: bf66003b51ec ("build: use platform for generic and native
> > > > builds")
> > > > Cc: stable@dpdk.org
> > > >
> > > > Signed-off-by: Joyce Kong <joyce.kong@arm.com>
> > > > Reviewed-by: Ruifeng Wang <ruifeng.wang@arm.com>
> > >
> > > Looks right, what is the impact on existing users doing current cross builds?
> >
> > The original operation changes cpu_instruction_set to 'native' when both
> > 'platform == native' and 'cpu_instruction_set == auto'.
> > There was no impact on the existing users for current cross build, as the cross
> > files set cpu field to a specific arch, such as 'armv8-a', and this didn't trigger
> > the modification for cpu_instruction_set.
> > However, if we want to use a common arch in cross files like 'auto', the
> > modification operation would override 'native' value to cpu_instruction_set
> > and b7676fcccab4 ("config: verify machine arch flag") would break the build
> > as it tries to test -march=native.
> >
> > >
> > > Acked-by: Stephen Hemminger <stephen@networkplumber.org>
>
> Tested-by: Pavan Nikhilesh <pbhagavatula@marvell.com>
Applied without the second patch of the series, thanks.
prev parent reply other threads:[~2024-03-06 14:43 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20230822074743.3243015-1-joyce.kong@arm.com>
[not found] ` <20231205035259.3516625-1-joyce.kong@arm.com>
2023-12-05 3:52 ` Joyce Kong
2023-12-07 22:41 ` Stephen Hemminger
2023-12-08 2:51 ` Joyce Kong
2024-01-19 19:39 ` Pavan Nikhilesh Bhagavatula
2024-03-06 14:43 ` Thomas Monjalon [this message]
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