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.gard...@canonical.com> 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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