[vbox-dev] Fixes for upcoming Linux 5.1 kernel

Michael Thayer michael.thayer at oracle.com
Thu Feb 7 15:19:47 UTC 2019


Thank you Valdis, finally committed!  It should show up in public
Subversion soon.

Regards
Michael

29.01.19 01:05, valdis.kletnieks at vt.edu wrote:
> A commit landed in linux-next (which will land in 5.1):
> 
> commit ae5d11d206fce924efcaa8127ffdbdb60c660d7a
> Author: Michael S. Tsirkin <mst at redhat.com>
> Date:   Thu Jan 24 08:54:07 2019 -0500
> 
>     arch: move common mmap flags to linux/mman.h
>     
>     Now that we have 3 mmap flags shared by all architectures,
>     let's move them into the common header.
> 
> This broke the build because MAP_SHARED wasn't defined.
> 
>  CC [M]  /usr/share/virtualbox/src/vboxhost/vboxdrv/r0drv/linux/memuserkernel-r0drv-linux.o
> /usr/share/virtualbox/src/vboxhost/vboxdrv/r0drv/linux/memobj-r0drv-linux.c: In function ?rtR0MemObjLinuxDoMmap?:
> /usr/share/virtualbox/src/vboxhost/vboxdrv/r0drv/linux/memobj-r0drv-linux.c:215:58: error: ?MAP_SHARED? undeclared (first use in this function); did you mean ?VM_SHARED??
>   215 |         ulAddr = vm_mmap(NULL, R3PtrFixed, cb, fLnxProt, MAP_SHARED | MAP_ANONYMOUS | MAP_FIXED, 0);
>       |                                                          ^~~~~~~~~~
>       |                                                          VM_SHARED
> /usr/share/virtualbox/src/vboxhost/vboxdrv/r0drv/linux/memobj-r0drv-linux.c:215:58: note: each undeclared identifier is reported only once for each function it appears in
> make[3]: *** [scripts/Makefile.build:277: /usr/share/virtualbox/src/vboxhost/vboxdrv/r0drv/linux/memobj-r0drv-linux.o] Error 1
> 
> --- vboxdrv/r0drv/linux/the-linux-kernel.h.dist	2019-01-28 19:01:50.615246073 -0500
> +++ vboxdrv/r0drv/linux/the-linux-kernel.h	2019-01-28 19:01:24.495292846 -0500
> @@ -128,6 +128,9 @@
>  # include <linux/cpu.h>
>  # include <linux/notifier.h>
>  #endif
> +#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 1, 0)
> +# include <uapi/linux/mman.h>
> +#endif
>  /* For the basic additions module */
>  #include <linux/pci.h>
>  #include <linux/delay.h>
> 
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> 

-- 
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