Messages in this thread | | | Date | Wed, 15 Jul 2020 08:06:20 +0200 | From | Christoph Hellwig <> | Subject | Re: [PATCH 6/6] exec: use force_uaccess_begin during exec and exit |
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On Tue, Jul 14, 2020 at 10:33:05PM -0500, Eric W. Biederman wrote: > Christoph Hellwig <hch@lst.de> writes: > > > Both exec and exit want to ensure that the uaccess routines actually do > > access user pointers. Use the newly added force_uaccess_begin helper > > instead of an open coded set_fs for that to prepare for kernel builds > > where set_fs() does not exist. > > Acked-by: "Eric W. Biederman" <ebiederm@xmission.com> > > Have you played with a tree with all of your patches > and placing force_uaccess_begin in init/main.c:start_kernel?
No, I have converted the early boot code to not require KERNEL_DS and except for a pending network item remove set_fs entirely. Older series here, will need some rework:
http://git.infradead.org/users/hch/misc.git/shortlog/refs/heads/set_fs-removal
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