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Linux 5.0 and Linux 5.2 Kernel Coverage

Submitted by Roy Schestowitz on Tuesday 14th of May 2019 11:34:04 AM Filed under
Linux
  • Watch Out For BCache Corruption Issues On Linux 5.0 & GCC 9

    If you make use of BCache as a Linux block cache so that an SSD cache for a slower HDD, watch out as there is an active corruption bug.

    It appears that those employing BCache and running Linux 5.0 or newer when built by GCC 9, there is a nasty corruption bug exposed.

  • POWER Gets SMAP-Like Functionality, 32-bit KASAN Support On Linux 5.2

    Not only has the Linux 5.2 kernel been exciting on the x86_64 and ARM front, but there is also a fair amount of new IBM POWER architecture updates that landed for this summer 2019 kernel update.

    First up, POWER is now supporting a kernel user-space access/execution prevention technology. This feature is similar to Intel's SMAP (Supervisor Mode Access Prevention) and similar SMEP / PAN / PXN technologies. This feature will prevent the kernel from accidentally accessing user-space outside of certain calls or ever executing user-space.

  • New Input Drivers Sent In For The Linux 5.2 Kernel

    Input subsystem maintainer Dmitry Torokhov sent in his pull request on Monday with various touch controller additions as well as the new GPIO vibrator driver.

    New input device support coming with Linux 5.2 includes Azoteq IQS550/572/525 touch controllers, Microchip AT42QT1050 keys, and Goodix GT5663 as the main additions.

»

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