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From: Christoph Hellwig <hch@infradead.org>
To: Or Gerlitz <gerlitz.or@gmail.com>
Cc: Alexey Kardashevskiy <aik@ozlabs.ru>,
	Huy Nguyen <huyn@mellanox.com>,
	Doug Ledford <dledford@redhat.com>,
	Eugenia Emantayev <eugenia@mellanox.com>,
	Hal Rosenstock <hal.rosenstock@gmail.com>,
	Sean Hefty <sean.hefty@intel.com>,
	Yishai Hadas <yishaih@mellanox.com>,
	Linux Kernel <linux-kernel@vger.kernel.org>,
	"linux-rdma@vger.kernel.org" <linux-rdma@vger.kernel.org>,
	Linux Netdev List <netdev@vger.kernel.org>,
	Paul Mackerras <paulus@samba.org>,
	Carol L Soto <clsoto@us.ibm.com>,
	Yevgeny Petrilin <yevgenyp@mellanox.com>
Subject: Re: [RFC PATCH kernel] Revert "net/mlx4_core: Set UAR page size to 4KB regardless of system page size"
Date: Tue, 15 Mar 2016 05:18:32 -0700	[thread overview]
Message-ID: <20160315121832.GA4741@infradead.org> (raw)
In-Reply-To: <CAJ3xEMhxUuQj+E00fa-tEKz+dVzDqFspC80Z=k7UPZpOP30H3g@mail.gmail.com>

On Tue, Mar 15, 2016 at 12:40:06PM +0200, Or Gerlitz wrote:
> "[..] Regarding backward compatibility in SR-IOV, if hypervisor has
> this new code, the virtual OS must be updated. [...]"

Which is broken, we can't break user or guest VM ABIs ever.

  reply	other threads:[~2016-03-15 12:21 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-03-15 10:19 [RFC PATCH kernel] Revert "net/mlx4_core: Set UAR page size to 4KB regardless of system page size" Alexey Kardashevskiy
2016-03-15 10:40 ` Or Gerlitz
2016-03-15 12:18   ` Christoph Hellwig [this message]
2016-03-15 14:23     ` Or Gerlitz
2016-03-15 15:29       ` Christoph Hellwig
2016-03-16  1:52         ` Alexey Kardashevskiy
2016-03-16  2:07   ` Alexey Kardashevskiy
2016-03-16  5:10     ` Eli Cohen
2016-03-16  5:49       ` Alexey Kardashevskiy
2016-03-16  6:09         ` Eli Cohen
2016-03-16  8:34           ` Alexey Kardashevskiy
2016-03-16  9:45             ` Or Gerlitz
2016-03-17  1:40               ` Alexey Kardashevskiy
2016-03-17  5:05                 ` Or Gerlitz

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