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| Filename | Latest commit message | Latest commit date |
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fda497e5f5
Function sk_msg_clone has been modified to merge the data from source sg entry to destination sg entry if the cloned data resides in same page and is contiguous to the end entry of destination sk_msg. This improves kernel tls throughput to the tune of 10%. When the user space tls application calls sendmsg() with MSG_MORE, it leads to calling sk_msg_clone() with new data being cloned placed continuous to previously cloned data. Without this optimization, a new SG entry in the destination sk_msg i.e. rec->msg_plaintext in tls_clone_plaintext_msg() gets used. This leads to exhaustion of sg entries in rec->msg_plaintext even before a full 16K of allowable record data is accumulated. Hence we lose oppurtunity to encrypt and send a full 16K record. With this patch, the kernel tls can accumulate full 16K of record data irrespective of the size of data passed in sendmsg() with MSG_MORE. Signed-off-by: Vakul Garg <vakul.garg@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
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| README | ||
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.