From f8d0dc21d409c0ecb921f4ae1ab3e0763a26c979 Mon Sep 17 00:00:00 2001 From: Waiman Long Date: Tue, 23 Oct 2018 17:25:51 -0400 Subject: Documentation/proc.txt: Add 2 missing fields for /proc//status It was found that two of the fields in the /proc//status file were missing - CapAmb & Speculation_Store_Bypass. They are now added to the proc.txt documentation file. v2: Update the example as well. Signed-off-by: Waiman Long Signed-off-by: Jonathan Corbet --- Documentation/filesystems/proc.txt | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) (limited to 'Documentation/filesystems') diff --git a/Documentation/filesystems/proc.txt b/Documentation/filesystems/proc.txt index 12a5e6e693b6..a078efad9957 100644 --- a/Documentation/filesystems/proc.txt +++ b/Documentation/filesystems/proc.txt @@ -193,8 +193,10 @@ read the file /proc/PID/status: CapPrm: 0000000000000000 CapEff: 0000000000000000 CapBnd: ffffffffffffffff + CapAmb: 0000000000000000 NoNewPrivs: 0 Seccomp: 0 + Speculation_Store_Bypass: thread vulnerable voluntary_ctxt_switches: 0 nonvoluntary_ctxt_switches: 1 @@ -214,7 +216,7 @@ asynchronous manner and the value may not be very precise. To see a precise snapshot of a moment, you can see /proc//smaps file and scan page table. It's slow but very precise. -Table 1-2: Contents of the status files (as of 4.8) +Table 1-2: Contents of the status files (as of 4.19) .............................................................................. Field Content Name filename of the executable @@ -267,8 +269,10 @@ Table 1-2: Contents of the status files (as of 4.8) CapPrm bitmap of permitted capabilities CapEff bitmap of effective capabilities CapBnd bitmap of capabilities bounding set + CapAmb bitmap of ambient capabilities NoNewPrivs no_new_privs, like prctl(PR_GET_NO_NEW_PRIV, ...) Seccomp seccomp mode, like prctl(PR_GET_SECCOMP, ...) + Speculation_Store_Bypass speculative store bypass mitigation status Cpus_allowed mask of CPUs on which this process may run Cpus_allowed_list Same as previous, but in "list format" Mems_allowed mask of memory nodes allowed to this process -- cgit v1.2.3-59-g8ed1b