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Liav Rehana
28923f6b74
Preserve eflags and gpa1 aux during entry/exit into kernel as these could be modified by kernel mode These registers used by compare exchange instructions. - GPA1 is used for compare value, - EFLAGS got bit reflects atomic operation response. EFLAGS is zeroed for each new user task so it won't get its parent value. Signed-off-by: Liav Rehana <liavr@mellanox.com> Signed-off-by: Noam Camus <noamc@ezchip.com> Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. 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.