On Wed, May 13, 2020 at 09:43:45AM +, Ravich, Leonid wrote:
> > On Wed, May 13, 2020 at 08:29:16AM +, Ravich, Leonid wrote:
> > > PCIe NTB
> > > Documentation/driver-api/ntb.rst
> >
> > > 1) Basically PCI bridge between to root complex / PCI switches
> > > 2) using out of OS memory is one
> A: http://en.wikipedia.org/wiki/Top_post
> Q: Were do I find info about this thing called top-posting?
> A: Because it messes up the order in which people normally read text.
> Q: Why is top-posting such a bad thing?
> A: Top-posting.
> Q: What is the most annoying thing in e-mail?
>
> A: No.
>
A: http://en.wikipedia.org/wiki/Top_post
Q: Were do I find info about this thing called top-posting?
A: Because it messes up the order in which people normally read text.
Q: Why is top-posting such a bad thing?
A: Top-posting.
Q: What is the most annoying thing in e-mail?
A: No.
Q: Should I
l.org; linux...@kvack.org; Ravich, Leonid
> Subject: Re: CMA enhancement - non-default areas in x86
>
> On Wed, May 13, 2020 at 07:00:12AM +, Idgar, Or wrote:
> > > For what type of device?
> > NTB (Non-Transparent Bridge).
>
>
> Very odd quoting style...
>
On Wed, May 13, 2020 at 07:00:12AM +, Idgar, Or wrote:
> > For what type of device?
> NTB (Non-Transparent Bridge).
Very odd quoting style...
Anyway, what exactly is a non-transparent bridge, and why doesn't your
bios/uefi implementation properly reserve the memory for it so that the
OS
> For what type of device?
NTB (Non-Transparent Bridge).
-Original Message-
From: gre...@linuxfoundation.org
Sent: יום ד 13 מאי 2020 09:48
To: Idgar, Or
Cc: linux-kernel@vger.kernel.org; linux...@kvack.org; Ravich, Leonid
Subject: Re: CMA enhancement - non-default areas in
On Wed, May 13, 2020 at 06:13:55AM +, Idgar, Or wrote:
> Hi,
> I'm working with Linux kernel on x86 and needed a way to allocate a very
> large contiguous memory (around 20GB) for DMA operations.
For what type of device?
> I've found out that CMA is one of the major ways to do so, but our
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