Groups > linux.kernel > #1199433

RE: [RFC 0/2] VFIO: Add virtual MSI doorbell support.

From	Bhushan Bharat <Bharat.Bhushan@freescale.com>
Newsgroups	linux.kernel
Subject	RE: [RFC 0/2] VFIO: Add virtual MSI doorbell support.
Date	2015-08-04 08:10 +0200
Message-ID	<pTDAd-1VH-7@gated-at.bofh.it> (permalink)
References	<pPH9o-1e3-21@gated-at.bofh.it> <pRfVn-6b1-5@gated-at.bofh.it> <pRgRt-7wD-31@gated-at.bofh.it> <pRhku-84X-11@gated-at.bofh.it> <pTDgS-1ip-1@gated-at.bofh.it>
Organization	linux.* mail to news gateway

Show all headers | View raw
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--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Back to linux.kernel | Previous | Next — Previous in thread | Find similar | Unroll thread

Thread

[RFC 0/2] VFIO: Add virtual MSI doorbell support. Pranavkumar Sawargaonkar <pranavkumar@linaro.org> - 2015-07-24 11:10 +0200
  [RFC 1/2] drivers: vfio: iommu map and unmap device specific memory from kernel. Pranavkumar Sawargaonkar <pranavkumar@linaro.org> - 2015-07-24 11:10 +0200
  [RFC 2/2] drivers: vfio: pci: Add virtual MSI doorbell support. Pranavkumar Sawargaonkar <pranavkumar@linaro.org> - 2015-07-24 11:10 +0200
  Re: [RFC 0/2] VFIO: Add virtual MSI doorbell support. Pranavkumar Sawargaonkar <pranavkumar@linaro.org> - 2015-08-04 07:50 +0200
    RE: [RFC 0/2] VFIO: Add virtual MSI doorbell support. Bhushan Bharat <Bharat.Bhushan@freescale.com> - 2015-08-04 08:10 +0200

csiph-web