A commit landed in linux-next (which will land in 5.1):
commit ae5d11d206fce924efcaa8127ffdbdb60c660d7a
Author: Michael S. Tsirkin <[email protected]>
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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