patches for DPDK stable branches
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From: "Morten Brørup" <mb@smartsharesystems.com>
To: "Amit Prakash Shukla" <amitprakashs@marvell.com>,
	"Yuying Zhang" <Yuying.Zhang@intel.com>,
	"Beilei Xing" <beilei.xing@intel.com>
Cc: <dev@dpdk.org>, "Jerin Jacob Kollanukkaran" <jerinj@marvell.com>,
	<stable@dpdk.org>
Subject: RE: [PATCH 1/2] net/i40e: compilation fix for GCC-12
Date: Fri, 26 Aug 2022 12:32:03 +0200	[thread overview]
Message-ID: <98CBD80474FA8B44BF855DF32C47DC35D872B9@smartserver.smartshare.dk> (raw)
In-Reply-To: API-LINK-bdbd4aa4b23f217c30e32e4c5660a6fdf3ea723b

> From: Amit Prakash Shukla [mailto:amitprakashs@marvell.com]
> Sent: Friday, 26 August 2022 11.45
> 
> Thanks Morten for the review comment.
> 
> As the change is not in datapath, branch prediction optimization was
> not done.

OK. Then I agree that it is not required.

> 
> > -----Original Message-----
> > From: Amit Prakash Shukla <amitprakashs@marvell.com>
> > Sent: Wednesday, August 24, 2022 7:34 PM
> >
> > GCC 12 raises the following warning:
> >
> > meson --werror --buildtype=debugoptimized
> > 	--cross-file config/x86/cross-mingw -Dexamples=helloworld build
> > ninja -C build
> >
> > In function 'i40e_hash_get_pattern_type',
> >     inlined from 'i40e_hash_get_pattern_pctypes' at
> > ../drivers/net/i40e/i40e_hash.c:520:8,
> >     inlined from 'i40e_hash_parse_pattern_act' at
> > ../drivers/net/i40e/i40e_hash.c:1147:9,
> >     inlined from 'i40e_hash_parse' at
> > ../drivers/net/i40e/i40e_hash.c:1181:9:
> > ../drivers/net/i40e/i40e_hash.c:389:47:
> > 	error: array subscript 53 is above array
> > 	bounds of 'const uint64_t[53]'
> > 	{aka 'const long long unsigned int[53]'} [-Werror=array-bounds]
> >   389 |                 item_hdr =
> pattern_item_header[last_item_type];
> >       |
> ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~
> > ../drivers/net/i40e/i40e_hash.c: In function 'i40e_hash_parse':
> > ../drivers/net/i40e/i40e_hash.c:182:23: note: while referencing
> > 'pattern_item_header'
> >   182 | static const uint64_t pattern_item_header[] = {
> >       |                       ^~~~~~~~~~~~~~~~~~~
> > cc1: all warnings being treated as errors
> >
> > Fixes: ef4c16fd9148 (net/i40e: refactor RSS flow)
> > Cc: stable@dpdk.org
> >
> > Signed-off-by: Amit Prakash Shukla <amitprakashs@marvell.com>
> > ---
> > v2:
> > - Removed "examples/ipsec-secgw" patch from this series and posted it
> as
> > seperate patch.
> >
> >  drivers/net/i40e/i40e_hash.c | 6 ++++--
> >  1 file changed, 4 insertions(+), 2 deletions(-)
> >
> > diff --git a/drivers/net/i40e/i40e_hash.c
> b/drivers/net/i40e/i40e_hash.c
> > index 8962e9d97a..a1ff85fceb 100644
> > --- a/drivers/net/i40e/i40e_hash.c
> > +++ b/drivers/net/i40e/i40e_hash.c
> > @@ -384,8 +384,10 @@ i40e_hash_get_pattern_type(const struct
> > rte_flow_item pattern[],
> >  		}
> >
> >  		prev_item_type = last_item_type;
> > -		assert(last_item_type < (enum rte_flow_item_type)
> > -				RTE_DIM(pattern_item_header));
> > +		if (last_item_type >= (enum rte_flow_item_type)
> > +				RTE_DIM(pattern_item_header))
> > +			goto not_sup;
> > +
> >  		item_hdr = pattern_item_header[last_item_type];
> >  		assert(item_hdr);
> >
> > --
> > 2.25.1
> 


  reply	other threads:[~2022-08-26 10:32 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-08-23 10:57 [PATCH 1/3] " Amit Prakash Shukla
2022-08-23 10:57 ` [PATCH 2/3] net/qede/base: " Amit Prakash Shukla
2022-08-23 10:57 ` [PATCH 3/3] examples/ipsec-secgw: " Amit Prakash Shukla
2022-08-23 13:12   ` Akhil Goyal
2022-08-24 14:03 ` [PATCH 1/2] net/i40e: " Amit Prakash Shukla
2022-08-24 14:03   ` [PATCH 2/2] net/qede/base: " Amit Prakash Shukla
2022-10-06  9:52     ` Thomas Monjalon
2022-08-25  7:21   ` [PATCH 1/2] net/i40e: " Morten Brørup
2022-08-26  9:45   ` Amit Prakash Shukla
2022-08-26 10:32     ` Morten Brørup [this message]
2022-10-06  9:51   ` Thomas Monjalon

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