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Heinrich Schuchardt 79b83606ab efivarfs: fix statfs() on efivarfs Some firmware (notably U-Boot) provides GetVariable() and GetNextVariableName() but not QueryVariableInfo(). With commit `d86ff3333c` ("efivarfs: expose used and total size") the statfs syscall was broken for such firmware. If QueryVariableInfo() does not exist or returns EFI_UNSUPPORTED, just report the file system size as 0 as statfs_simple() previously did. Fixes: `d86ff3333c` ("efivarfs: expose used and total size") Link: https://lore.kernel.org/all/20230910045445.41632-1-heinrich.schuchardt@canonical.com/ Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com> [ardb: log warning on QueryVariableInfo() failure] Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org> Signed-off-by: Ard Biesheuvel <ardb@kernel.org>		2023-09-11 09:10:02 +00:00
arch	efi/x86: Ensure that EFI_RUNTIME_MAP is enabled for kexec	2023-09-11 06:37:50 +00:00
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Documentation	drm ci for 6.6-rc1	2023-09-10 11:55:26 -07:00
drivers	efi/unaccepted: Use ACPI reclaim memory for unaccepted memory table	2023-09-11 06:37:51 +00:00
fs	efivarfs: fix statfs() on efivarfs	2023-09-11 09:10:02 +00:00
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scripts	Fix preemption delays in the SGX code, remove unnecessarily UAPI-exported code,	2023-09-10 10:39:31 -07:00
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MAINTAINERS	drm ci for 6.6-rc1	2023-09-10 11:55:26 -07:00
Makefile	Linux 6.6-rc1	2023-09-10 16:28:41 -07:00
README

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.