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Linux kernel source tree
894909f95a
fpregs lock disables preemption on RT but fpu_inherit_perms() does spin_lock_irq(), which, on RT, uses rtmutexes and they need to be preemptible. - Check the page offset and the length of the data supplied by userspace for overflow when specifying a set of pages to add to an SGX enclave -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAmN6GjgACgkQEsHwGGHe VUpzog/+OIX3ZAZ0EJqg9GgvhacPjww1oPr+DRcpXCFYjk1jTJ3seJc2we+uun0j zYHbgO6BYyP3LdlrSjt8MgosMZGz1s14r9TXc46T8IhvUu0imbUkO9vLcxwL6pJl LJgPIYvBu6IUoVIQVlVr7PrVvUj8nUPc3w/8qmjR91bJAWTeeFvFflvn713jlWBP hLKiUvhdjA08Sp9gjF2drGl+NkSXPPLPHQetKa4BhVYqwDK5hRGBOt51CuDHdUOQ QYaP5JRy435ZsoFGgYq0lOxCXIYDe8rWRBCnDWdi7kjXEYhnKJLj6Fi1SxjD+cZC wDX+LQGFiShJFonGzxbeORBU04Owbz+nLsSeHCQsl/70kAv/W/44BLj+BPl0dit1 XBTUUCr9Wi9VdDTBVJT+EQbD3F5dBn1TO00Z0qzhv3D3gVruUNmv7SDHMoRUyYcy 9LueWCzF9YV1Se6V9gUox9vwTuc09J63IS2zkMm2ahCbfmWTSsx9P5BWLFK3E3Em lPsdZWNJQ7F6f0B3AfRjTDXvaMyzBRYfuZHEaBMq5avDWDFBCyOhc3PqjpKt5wHS URP6M/kOtz1zg8fy/XmMRCfCDBoAm+NfvF4zG9md1GYta7aP74Z824M+FMoXNv7f YcR4mCzpeeiG0hXyywcL+QDpmjlsYCPhe24Gnh/Bb+1g7Huyyc8= =VQD4 -----END PGP SIGNATURE----- Merge tag 'x86_urgent_for_v6.1_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 fixes from Borislav Petkov: - Do not hold fpregs lock when inheriting FPU permissions because the fpregs lock disables preemption on RT but fpu_inherit_perms() does spin_lock_irq(), which, on RT, uses rtmutexes and they need to be preemptible. - Check the page offset and the length of the data supplied by userspace for overflow when specifying a set of pages to add to an SGX enclave * tag 'x86_urgent_for_v6.1_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/fpu: Drop fpregs lock before inheriting FPU permissions x86/sgx: Add overflow check in sgx_validate_offset_length() |
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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.