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of normal functions. This is in preparation of making the MCA code noinstr-aware - When the kernel copies data from user addresses and it encounters a machine check, a SIGBUS is sent to that process. Change this action to either an -EFAULT which is returned to the user or a short write, making the recovery action a lot more user-friendly -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAmF/s8sACgkQEsHwGGHe VUqnaQ/8DIHkIOF6vy2w56snJwCj0XQYNLO+Clf6sHJ7ukWpWDoAi6HzvjqrBmaa bQEdOLeO92wGtVutCQ5ndzq2SJ6UFcZtOulpHyzCpwNinhY2QMsPG6pkSzeaAy/e aR4gpTY6pyCJyWl5DXXr7FMzBZVaWYdtZ2szPKmW1d1mLeDIdv5d3hInDbZ48XJF o+fZx0uuK0CIuDjDujRNvkPbHXLbBSqSLCTRf66o+sCY5ZXHlAipabxa3UmhHKvd dBxMrlObAaDBmDjqpc/YpS4IfWZb7+rHQfVmiq5O85ExXx6cyF6vlM7GI/5VBxSA 2dVcZX/3TsSqGbFdVygbcF6e/Yl1xhP5AE+pBb5jpzbzEaf4oiM8MDhoMAai3lEL 7CFsXL2oyAzho7QQsUSkv/hffHHrph2/aUZbGJlz6SdeRF9aoIjZANpcwm44TZrk c11Fh1MLTDxx8uhCGrYFXqR8QgeTi4B+8d/CEXNJnkLXZMfSUtoL1iIzhBpsGkv3 r0JOIG2o5dGX2lLhQOiHZ+us33O1e8mvOli9P1jLoDttoKvNqSqLUuwpBCz4sc0E ugfarf7v/R07NN+7SIT+O83ZG8dXxIRPzHm/g7wjZYgyOfEBgFSMBKVWXRotPo/f aY88sDVyvF5sbYnUcA6zZANBCKAVfilqdMgCyaoGegoNGzDOCYE= =bIZq -----END PGP SIGNATURE----- Merge tag 'ras_core_for_v5.16_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull RAS updates from Borislav Petkov: - Get rid of a bunch of function pointers used in MCA land in favor of normal functions. This is in preparation of making the MCA code noinstr-aware - When the kernel copies data from user addresses and it encounters a machine check, a SIGBUS is sent to that process. Change this action to either an -EFAULT which is returned to the user or a short write, making the recovery action a lot more user-friendly * tag 'ras_core_for_v5.16_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/mce: Sort mca_config members to get rid of unnecessary padding x86/mce: Get rid of the ->quirk_no_way_out() indirect call x86/mce: Get rid of msr_ops x86/mce: Get rid of machine_check_vector x86/mce: Get rid of the mce_severity function pointer x86/mce: Drop copyin special case for #MC x86/mce: Change to not send SIGBUS error during copy from user |
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Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.