Sayeth Linus:
commit 736706bee3298208343a76096370e4f6a5c55915
Author: Linus Torvalds <[email protected]>
Date: Mon Mar 4 10:39:05 2019 -0800
get rid of legacy 'get_ds()' function
Every in-kernel use of this function defined it to KERNEL_DS (either as
an actual define, or as an inline function). It's an entirely
historical artifact, and long long long ago used to actually read the
segment selector valueof '%ds' on x86.
Which in the kernel is always KERNEL_DS.
No kernel release versioning on the patch, as the define was in the tree
when Linus did the initial import into git for v2.6.12-rc2 back in April 2005.
If you're trying to build this on a kernel older than that, this is the least of
your problems. :)
--- vboxhost/vboxpci/linux/VBoxPci-linux.c.dist 2019-03-14 16:37:18.758730554
-0400
+++vboxhost/vboxpci/linux/VBoxPci-linux.c 2019-03-14 16:37:46.354160251
-0400
@@ -372,7 +372,7 @@ static int vboxPciFileWrite(struct file*
mm_segment_t fs_save;
fs_save = get_fs();
- set_fs(get_ds());
+ set_fs(KERNEL_DS);
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 14, 0)
ret = kernel_write(file, data, size, &offset);
#else
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