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From: Thomas Monjalon <thomas@monjalon.net>
To: Lance Richardson <lance.richardson@broadcom.com>,
	Dmitry Kozlyuk <dmitry.kozliuk@gmail.com>
Cc: dev@dpdk.org,
	Narcisa Ana Maria Vasile <navasile@linux.microsoft.com>,
	Dmitry Malloy <dmitrym@microsoft.com>,
	Pallavi Kadam <pallavi.kadam@intel.com>,
	Anatoly Burakov <anatoly.burakov@intel.com>,
	dpdk stable <stable@dpdk.org>
Subject: Re: [dpdk-dev] [PATCH v4] eal: fix memory mapping for 32-bit targets
Date: Tue, 11 May 2021 22:45:41 +0200	[thread overview]
Message-ID: <5067179.EJ8Y43xz3P@thomas> (raw)
In-Reply-To: <20210511190829.5aa8e256@sovereign>

11/05/2021 18:08, Dmitry Kozlyuk:
> 2021-05-11 11:56 (UTC-0400), Lance Richardson:
> > >  v4: Identical to v1, with <sys/types.h> now included in rte_eal_paging.h
> > >      to (hopefully) make off_t available for Windows builds.  
> > 
> > With this version, using off_t is no longer a problem, however based on the
> > new compilation error it appears that for Windows, off_t is a 32-bit type
> > while size_t is a 64-bit type:
> > 
> > ../lib/eal/windows/eal_memory.c:519:37: error: shift count >= width of
> > type [-Werror,-Wshift-count-overflow]
> > DWORD offset_high = (DWORD)(offset >> 32);
> > ^  ~~
> > 
> > So the options seem to be to either use uint64_t for the offset parameter
> > as in patch v3, or else introduce something like:
> >      typedef uint64_t rte_off_t;
> > 
> > Thoughts/opinions?
> 
> I'm for uint64_t: it's explicit and will hardly ever change.

OK, v3 applied.



      reply	other threads:[~2021-05-11 20:45 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-07 18:10 [dpdk-dev] [PATCH] " Lance Richardson
2021-05-07 18:50 ` Lance Richardson
2021-05-07 18:55   ` Lance Richardson
2021-05-07 19:06 ` [dpdk-dev] [PATCH v2] " Lance Richardson
2021-05-07 20:51   ` Dmitry Kozlyuk
2021-05-07 21:35     ` Lance Richardson
2021-05-08 14:12 ` [dpdk-dev] [PATCH] " Lance Richardson
2021-05-08 14:27 ` [dpdk-dev] [PATCH v3] " Lance Richardson
2021-05-10 12:42   ` Thomas Monjalon
2021-05-10 15:31     ` Burakov, Anatoly
2021-05-10 15:55       ` Thomas Monjalon
2021-05-10 16:04         ` Lance Richardson
2021-05-11  7:55           ` [dpdk-dev] [dpdk-stable] " Thomas Monjalon
2021-05-11 20:45       ` [dpdk-dev] " Thomas Monjalon
2021-05-11  8:17   ` Thomas Monjalon
2021-05-11 13:33     ` Lance Richardson
2021-05-11 14:45 ` [dpdk-dev] [PATCH v4] " Lance Richardson
2021-05-11 15:56   ` Lance Richardson
2021-05-11 16:08     ` Dmitry Kozlyuk
2021-05-11 20:45       ` Thomas Monjalon [this message]

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