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9118c5d32b
Add selftests for /dev/papr-vpd, exercising the common expected use cases: * Retrieve all VPD by passing an empty location code. * Retrieve the "system VPD" by passing a location code derived from DT root node properties, as done by the vpdupdate command. The tests also verify that certain intended properties of the driver hold: * Passing an unterminated location code to PAPR_VPD_CREATE_HANDLE gets EINVAL. * Passing a NULL location code pointer to PAPR_VPD_CREATE_HANDLE gets EFAULT. * Closing the device node without first issuing a PAPR_VPD_CREATE_HANDLE command to it succeeds. * Releasing a handle without first consuming any data from it succeeds. * Re-reading the contents of a handle returns the same data as the first time. Some minimal validation of the returned data is performed. The tests are skipped on systems where the papr-vpd driver does not initialize, making this useful only on PowerVM LPARs at this point. Signed-off-by: Nathan Lynch <nathanl@linux.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://msgid.link/20231212-papr-sys_rtas-vs-lockdown-v6-12-e9eafd0c8c6c@linux.ibm.com |
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arch | ||
block | ||
certs | ||
crypto | ||
Documentation | ||
drivers | ||
fs | ||
include | ||
init | ||
io_uring | ||
ipc | ||
kernel | ||
lib | ||
LICENSES | ||
mm | ||
net | ||
rust | ||
samples | ||
scripts | ||
security | ||
sound | ||
tools | ||
usr | ||
virt | ||
.clang-format | ||
.cocciconfig | ||
.get_maintainer.ignore | ||
.gitattributes | ||
.gitignore | ||
.mailmap | ||
.rustfmt.toml | ||
COPYING | ||
CREDITS | ||
Kbuild | ||
Kconfig | ||
MAINTAINERS | ||
Makefile | ||
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.