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098c793821
* Use the proper length type in the 32-bit truncate() syscall variant, by Jiri Slaby. * Reinit IA32_FEAT_CTL during wakeup to fix the case where after resume, VMXON would #GP due to VMX not being properly enabled, by Sean Christopherson. * Fix a static checker warning in the resctrl code, by Dan Carpenter. * Add a CR4 pinning mask for bits which cannot change after boot, by Kees Cook. * Align the start of the loop of __clear_user() to 16 bytes, to improve performance on AMD zen1 and zen2 microarchitectures, by Matt Fleming. -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAl74q8kACgkQEsHwGGHe VUqYig/8CRyHBweLnR9naD6uZ+rF83LXiTKOGLt60WRzNPCLpkwGD5aRiUwzRmFL FOn9g2YLDY32+SzPRkqwJioodfxXRhvjKMnEChgnDcWAtTkWfMXWQfj2w5E8sTLE /9cpc9rmfCQJmZFDPkL88lfH38t+Uye4Ydcur/HMetkoR4C8hGrUOGZpkG3nR8EJ PGmmQ1VpMmwKMUsdD+GgKC+wgyrHbhFcrr+ZH5quU3XIzuvxXsHBiK2MlqVnN1a/ 1xKglMHfQQ1MI7tmJth8s1xLQ1/Mr+ctxhC5nyyMpheDU9/257bVNKE1uF+yz7or KylFUcvYje49mm7fxyEDrX+NMJGT7ZBBK/Xn7Fw5sLSsGGNY2/2HwYRbnzMSTjNO JzY7HDkZuQgzLxlKSIKgRvz5f1j1m8D0UaG/q+JuJ6mJoPDS5qiPyshv4cW8v8iD t5mzEuj++dWfiyPR4sWruP36jNKqPnbe8bUGe4j+QJ+TZL0SsSlopCFxo3TEJ4Bo dlHUxXZcYE2/48wlP15X+jFultKcqi0HwO+rQm8uPN7O7X1xsWcO4PbTl/lngvg6 HxClDwmfDjoCmEXij3U9gqWvXmy++C5ljWCwhYNM60Fc1yIChfnwJHZBUvx3XGui DZqimVa+QIRNFwWqMVF1RmE1ZuyCMYGZulZPo68gEXNeeNZ0R6g= =hxkd -----END PGP SIGNATURE----- Merge tag 'x86_urgent_for_5.8_rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 fixes from Borislav Petkov: - AMD Memory bandwidth counter width fix, by Babu Moger. - Use the proper length type in the 32-bit truncate() syscall variant, by Jiri Slaby. - Reinit IA32_FEAT_CTL during wakeup to fix the case where after resume, VMXON would #GP due to VMX not being properly enabled, by Sean Christopherson. - Fix a static checker warning in the resctrl code, by Dan Carpenter. - Add a CR4 pinning mask for bits which cannot change after boot, by Kees Cook. - Align the start of the loop of __clear_user() to 16 bytes, to improve performance on AMD zen1 and zen2 microarchitectures, by Matt Fleming. * tag 'x86_urgent_for_5.8_rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/asm/64: Align start of __clear_user() loop to 16-bytes x86/cpu: Use pinning mask for CR4 bits needing to be 0 x86/resctrl: Fix a NULL vs IS_ERR() static checker warning in rdt_cdp_peer_get() x86/cpu: Reinitialize IA32_FEAT_CTL MSR on BSP during wakeup syscalls: Fix offset type of ksys_ftruncate() x86/resctrl: Fix memory bandwidth counter width for AMD |
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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.