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| Filename | Latest commit message | Latest commit date |
|---|---|---|
900a85ca43
When compiling a kernel without support for CMA, CONFIG_CMA_ALIGNMENT
is not defined which results in the following build failure:
In file included from ./include/linux/list.h:9:0
from ./include/linux/kobject.h:19,
from ./include/linux/of.h:17
from ./include/linux/irqdomain.h:35,
from ./include/linux/acpi.h:13,
from drivers/iommu/arm-smmu-v3.c:12:
drivers/iommu/arm-smmu-v3.c: In function ‘arm_smmu_device_hw_probe’:
drivers/iommu/arm-smmu-v3.c:194:40: error: ‘CONFIG_CMA_ALIGNMENT’ undeclared (first use in this function)
#define Q_MAX_SZ_SHIFT (PAGE_SHIFT + CONFIG_CMA_ALIGNMENT)
Fix the breakage by capping the maximum queue size based on MAX_ORDER
when CMA is not enabled.
Reported-by: Zhangshaokun <zhangshaokun@hisilicon.com>
Signed-off-by: Will Deacon <will@kernel.org>
Tested-by: Shaokun Zhang <zhangshaokun@hisilicon.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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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.