DPDK patches and discussions
 help / color / mirror / Atom feed
From: Neil Horman <nhorman@tuxdriver.com>
To: Hemant Agrawal <hemant.agrawal@nxp.com>
Cc: Bruce Richardson <bruce.richardson@intel.com>,
	dev@dpdk.org, ferruh.yigit@intel.com, stable@dpdk.org,
	Jun Yang <jun.yang@nxp.com>
Subject: Re: [dpdk-dev] [PATCH 1/5] pmdinfogen: fix cross compilation for ARM BE
Date: Wed, 13 Dec 2017 07:19:59 -0500	[thread overview]
Message-ID: <20171213121959.GA12604@hmswarspite.think-freely.org> (raw)
In-Reply-To: <16de48c2-0ba7-951a-b8bf-3409cead8663@nxp.com>

On Wed, Dec 13, 2017 at 05:22:57PM +0530, Hemant Agrawal wrote:
> Hi Neil/Bruce,
> 
> On 12/12/2017 12:28 AM, Neil Horman wrote:
> > On Mon, Dec 11, 2017 at 12:40:32PM +0000, Bruce Richardson wrote:
> > > On Thu, Nov 02, 2017 at 03:38:51PM +0530, Hemant Agrawal wrote:
> > > > cross compiling DPDK for BE mode on ARM results into errors
> > > > 
> > > > "PMDINFO portal/dpaa2_hw_dpio.o.pmd.c No drivers registered"
> > > > 
> > > > Fixes: 98b0fdb0ffc6 ("pmdinfogen: add buildtools and pmdinfogen utility")
> > > > Cc: Neil Horman <nhorman@tuxdriver.com>
> > > > Cc: stable@dpdk.org
> > > > 
> > > > Signed-off-by: Jun Yang <jun.yang@nxp.com>
> > > > Signed-off-by: Hemant Agrawal <hemant.agrawal@nxp.com>
> > > > ---
> > > >  buildtools/pmdinfogen/pmdinfogen.c | 2 +-
> > > >  1 file changed, 1 insertion(+), 1 deletion(-)
> > > > 
> > > 
> > > Comment could be a bit more specific about what the problem is and how
> > > changing the hard-coded "32" fixes it.
> > > 
> > > Haven't tested the cross compilation part myself, but this causes no
> > > errors for 32-bit or 64-bit builds on my system. So, with some more
> > > detail on the specifics of the fix in the commit message:
> > > 
> > > Acked-by: Bruce Richardson <bruce.richardson@intel.com>
> > > 
> > 
> > I'm with Bruce.  I'd like to know exactly whats going on here.  I dont have an
> > ARM system handy, so could you please post the errors that you are seeing here?
> > Is ADDR_SIZE not defined on BE for ARM or some such?  That seems like it should
> > be fixed, rather than this change.
> > 
> > Neil
> > 
> 
> The original code hard codes the conversion for sh_size to 32, which is
> incorrect.
> 
> The sh_size can be "Elf32_Word    sh_size" for 32 bit and "Elf64_Xword
> sh_size" for 64 bit systems.
> 
> This causes the symtab_stop to have reduced size and thus find can fail.
> 	info->symtab_stop  = RTE_PTR_ADD(hdr, sechdrs[i].sh_offset +
> sechdrs[i].sh_size);
> 
> we fixed it by replacing the hardcoded 32 with ADDR_SIZE is better.
> 
Oh, my bad, you're correct, I thought it was 32 bits for both ABI's

Acked-by: Neil Horman <nhorman@tuxdriver.com>

  reply	other threads:[~2017-12-13 12:20 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-11-02 10:08 Hemant Agrawal
2017-11-02 10:08 ` [dpdk-dev] [PATCH 2/5] lpm: fix compilation on " Hemant Agrawal
2017-12-11 12:41   ` Bruce Richardson
2017-12-13 12:23     ` Hemant Agrawal
2017-11-02 10:08 ` [dpdk-dev] [PATCH 3/5] bus/dpaa: " Hemant Agrawal
2017-11-02 10:08 ` [dpdk-dev] [PATCH 4/5] net/i40e: " Hemant Agrawal
2017-11-03  3:03   ` Xing, Beilei
2017-11-02 10:08 ` [dpdk-dev] [PATCH 5/5] net/ixgbe: " Hemant Agrawal
2017-12-11 12:42   ` Bruce Richardson
2017-12-11 12:40 ` [dpdk-dev] [PATCH 1/5] pmdinfogen: fix cross compilation for " Bruce Richardson
2017-12-11 18:58   ` Neil Horman
2017-12-13 11:52     ` Hemant Agrawal
2017-12-13 12:19       ` Neil Horman [this message]
2017-12-13 12:52 ` [dpdk-dev] [PATCH v2 " Hemant Agrawal
2017-12-13 12:52   ` [dpdk-dev] [PATCH v2 2/5] lpm: fix compilation on " Hemant Agrawal
2017-12-13 13:22     ` Bruce Richardson
2017-12-18  7:50       ` Hemant Agrawal
2017-12-13 12:52   ` [dpdk-dev] [PATCH v2 3/5] bus/dpaa: " Hemant Agrawal
2017-12-13 12:52   ` [dpdk-dev] [PATCH v2 4/5] net/i40e: " Hemant Agrawal
2017-12-13 12:52   ` [dpdk-dev] [PATCH v2 5/5] net/ixgbe: " Hemant Agrawal
2017-12-18  7:56   ` [dpdk-dev] [PATCH v3 1/5] pmdinfogen: fix cross compilation for " Hemant Agrawal
2017-12-18  7:56     ` [dpdk-dev] [PATCH v3 2/5] lpm: fix compilation on " Hemant Agrawal
2017-12-18  7:56     ` [dpdk-dev] [PATCH v3 3/5] bus/dpaa: " Hemant Agrawal
2017-12-18  7:56     ` [dpdk-dev] [PATCH v3 4/5] net/i40e: " Hemant Agrawal
2017-12-18  7:56     ` [dpdk-dev] [PATCH v3 5/5] net/ixgbe: " Hemant Agrawal
2018-01-12 16:27     ` [dpdk-dev] [dpdk-stable] [PATCH v3 1/5] pmdinfogen: fix cross compilation for " Thomas Monjalon

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20171213121959.GA12604@hmswarspite.think-freely.org \
    --to=nhorman@tuxdriver.com \
    --cc=bruce.richardson@intel.com \
    --cc=dev@dpdk.org \
    --cc=ferruh.yigit@intel.com \
    --cc=hemant.agrawal@nxp.com \
    --cc=jun.yang@nxp.com \
    --cc=stable@dpdk.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).