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[Bug 1188010] Re: [Feature] Accelerated CRC-T10DIF checksum for the SCSI layer

To: kernel-packages@xxxxxxxxxxxxxxxxxxx
From: Launchpad Bug Tracker <1188010@xxxxxxxxxxxxxxxxxx>
Date: Sat, 28 Sep 2013 01:37:23 -0000
Reply-to: Bug 1188010 <1188010@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

This bug was fixed in the package linux - 3.11.0-9.16

---------------
linux (3.11.0-9.16) saucy; urgency=low

  [ Andy Whitcroft ]

  * Revert "SAUCE: (no-up) scsi: hyper-v storage -- mark as preferring READ
    CAPACITY (16) at SPC-2"
  * Revert "SAUCE: (no-up) scsi: hyper-v storage -- mark as VPD capable at
    SPC-2"
  * Revert "SAUCE: (no-up) scsi: add scsi device flag to request READ
    CAPACITY (16) be preferred"
  * Revert "SAUCE: (no-up) scsi: add scsi device flag to request VPD pages
    be used at SPC-2"

  [ Seth Forshee ]

  * SAUCE: (no-up) ACPI: Disable Windows 8 compatibility for some Lenovo
    ThinkPads
    - LP: #1183856

  [ Tim Gardner ]

  * [Config] CONFIG_CRYPTO_CRCT10DIF=y, CONFIG_CRYPTO_CRCT10DIF_PCLMUL=m
  * [packaging] Bump ABI for every new release
  * rebase to v3.11.2
  * Release tracker
    - LP: #1231999


  [ Upstream Kernel Changes ]

  * scsi: hyper-v storsvc switch up to SPC-3
  * perf/x86: Add Silvermont (22nm Atom) support
    - LP: #1091539
  * perf/x86/intel: Fix Silvermont offcore masks
    - LP: #1091539
  * modules: add support for soft module dependencies
    - LP: #1188010
  * Reinstate "crypto: crct10dif - Wrap crc_t10dif function all to use
    crypto transform framework"
    - LP: #1188010
  * skge: fix broken driver
    - LP: #1216745
  * Input: cypress_ps2 - Return zero finger count if palm is detected.
    - LP: #1229361
  * udf: Standardize return values in mount sequence
    - LP: #1228751
  * udf: Refuse RW mount of the filesystem instead of making it RO
    - LP: #1228751
  * rebase to v3.11.2
 -- Tim Gardner <tim.gardner@xxxxxxxxxxxxx>   Mon, 23 Sep 2013 07:41:07 -0600

** Changed in: linux (Ubuntu Saucy)
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1188010

Title:
  [Feature] Accelerated CRC-T10DIF checksum for the SCSI layer

Status in intel:
  New
Status in “linux” package in Ubuntu:
  Fix Released
Status in “linux” source package in Saucy:
  Fix Released

Bug description:
  The current CRC-T10DIF checksum is computed using a table lookup. By using PCLMULQDQ and SSE instructions available in Sandy
  Bridge and later CPUs, the checksum computation speed can be sped up by 8x and more, improving the throughput for Solid State Drive and also new NVM express products.

  Upstream schedule: kernel 3.12

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