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ea09ace3f8
Print the guest's random seed during VM creation if and only if the seed has changed since the seed was last printed. The vast majority of tests, if not all tests at this point, set the seed during test initialization and never change the seed, i.e. printing it every time a VM is created is useless noise. Snapshot and print the seed during early selftest init to play nice with tests that use the kselftests harness, at the cost of printing an unused seed for tests that change the seed during test-specific initialization, e.g. dirty_log_perf_test. The kselftests harness runs each testcase in a separate process that is forked from the original process before creating each testcase's VM, i.e. waiting until first VM creation will result in the seed being printed by each testcase despite it never changing. And long term, the hope/goal is that setting the seed will be handled by the core framework, i.e. that the dirty_log_perf_test wart will naturally go away. Reported-by: Yi Lai <yi1.lai@intel.com> Reported-by: Dapeng Mi <dapeng1.mi@linux.intel.com> Link: https://lore.kernel.org/r/20240627021756.144815-2-dapeng1.mi@linux.intel.com Signed-off-by: Sean Christopherson <seanjc@google.com> |
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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 reStructuredText 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.