Thread (75 messages) 75 messages, 14 authors, 2022-02-25

Re: [PATCH v2 00/18] clean up asm/uaccess.h, kill set_fs for good

From: Al Viro <viro@zeniv.linux.org.uk>
Date: 2022-02-18 01:50:51
Also in: linux-alpha, linux-api, linux-arch, linux-m68k, linux-mips, linux-mm, linux-riscv, linux-s390, linux-sh, linux-um, linuxppc-dev, lkml 

On Thu, Feb 17, 2022 at 07:20:11AM +0000, Christophe Leroy wrote:

And we have also 
user_access_begin()/user_read_access_begin()/user_write_access_begin() 
which call access_ok() then do the real work. Could be made generic with 
call to some arch specific __user_access_begin() and friends after the 
access_ok() and eventually the might_fault().
Not a good idea, considering the fact that we do not want to invite
uses of "faster" variants...
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