Unverified Commit 46329a9d authored by Jeff Layton's avatar Jeff Layton Committed by Christian Brauner
Browse files

acct(2): begin the deprecation of legacy BSD process accounting 

As Christian points out [1], even though it's privileged, this interface
has a lot of footguns. There are better options these days (e.g. eBPF),
so it would be good to start discouraging its use and mark it as
deprecated.

[1]: https://lore.kernel.org/linux-fsdevel/20250212-giert-spannend-8893f1eaba7d@brauner/



Signed-off-by: default avatarJeff Layton <jlayton@kernel.org>
Link: https://patch.msgid.link/20260106-bsd-acct-v1-1-d15564b52c83@kernel.org


Signed-off-by: default avatarChristian Brauner <brauner@kernel.org>
parent 6784f274

init/Kconfig

+5 −2
Original line number Diff line number Diff line
@@ -624,8 +624,9 @@ config SCHED_HW_PRESSURE 
	  arch_update_hw_pressure() and arch_scale_thermal_pressure().



config BSD_PROCESS_ACCT

	bool "BSD Process Accounting"

	bool "BSD Process Accounting (DEPRECATED)"

	depends on MULTIUSER

	default n

	help

	  If you say Y here, a user level program will be able to instruct the

	  kernel (via a special system call) to write process accounting
@@ -635,7 +636,9 @@ config BSD_PROCESS_ACCT 
	  command name, memory usage, controlling terminal etc. (the complete

	  list is in the struct acct in <file:include/linux/acct.h>).  It is

	  up to the user level program to do useful things with this

	  information.  This is generally a good idea, so say Y.

	  information.  This mechanism is antiquated and has significant

	  scalability issues.  You probably want to use eBPF instead.  Say

	  N unless you really need this.



config BSD_PROCESS_ACCT_V3

	bool "BSD Process Accounting version 3 file format"