forked from Minki/linux
mainlining shenanigans
8ecd2953d0
Stephen Rothewell <sfr@canb.auug.org.au> wrote:
> After merging the userns tree, today's linux-next build (powerpc
> ppc64_defconfig) produced this warning:
>
> In file included from include/linux/sched.h:16:0,
> from arch/powerpc/lib/xor_vmx_glue.c:14:
> include/linux/shm.h:17:35: error: 'struct file' declared inside parameter list will not be visible outside of this definition or declaration [-Werror]
> bool is_file_shm_hugepages(struct file *file);
> ^~~~
>
> and many, many more (most warnings, but some errors - arch/powerpc is
> mostly built with -Werror)
I dug through this and I discovered that the error was caused by the
removal of struct shmid_kernel from shm.h when building on powerpc.
Except for observing the existence of "struct file *shm_file" in
struct shmid_kernel I have no clue why the structure move would cause
such a failure. I suspect shm.h always needed the forward declaration
and someting had been confusing gcc into not issuing the warning. --EWB
Fixes:
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|---|---|---|
| arch | ||
| block | ||
| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| firmware | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
| Kconfig | ||
| MAINTAINERS | ||
| Makefile | ||
| README | ||
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.