linux-kernel - [tip: perf/urgent] tools headers UAPI: Sync prctl.h with the kernel sources

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [day] [month] [year] [list]

Date:   Sat, 15 Feb 2020 08:41:50 -0000
From:   "tip-bot2 for Arnaldo Carvalho de Melo" <tip-bot2@...utronix.de>
To:     linux-tip-commits@...r.kernel.org
Cc:     Adrian Hunter <adrian.hunter@...el.com>,
        Christian Brauner <christian.brauner@...ntu.com>,
        Jiri Olsa <jolsa@...nel.org>,
        Mike Christie <mchristi@...hat.com>,
        Namhyung Kim <namhyung@...nel.org>,
        Arnaldo Carvalho de Melo <acme@...hat.com>,
        x86 <x86@...nel.org>, LKML <linux-kernel@...r.kernel.org>
Subject: [tip: perf/urgent] tools headers UAPI: Sync prctl.h with the kernel sources

The following commit has been merged into the perf/urgent branch of tip:

Commit-ID:     fc9199d46e644e6a978f69195cb849b21d2f485c
Gitweb:        https://git.kernel.org/tip/fc9199d46e644e6a978f69195cb849b21d2f485c
Author:        Arnaldo Carvalho de Melo <acme@...hat.com>
AuthorDate:    Tue, 11 Feb 2020 15:25:21 -03:00
Committer:     Arnaldo Carvalho de Melo <acme@...hat.com>
CommitterDate: Tue, 11 Feb 2020 16:41:50 -03:00

tools headers UAPI: Sync prctl.h with the kernel sources

To get the changes in:

  8d19f1c8e193 ("prctl: PR_{G,S}ET_IO_FLUSHER to support controlling memory reclaim")

Which ends up having this effect in tooling, i.e. the addition of the
support to those prctl's options:

  $ tools/perf/trace/beauty/prctl_option.sh > before
  $ cp include/uapi/linux/prctl.h tools/include/uapi/linux/prctl.h
  $ git diff
  diff --git a/tools/include/uapi/linux/prctl.h b/tools/include/uapi/linux/prctl.h
  index 7da1b37b27aa..07b4f8131e36 100644
  --- a/tools/include/uapi/linux/prctl.h
  +++ b/tools/include/uapi/linux/prctl.h
  @@ -234,4 +234,8 @@ struct prctl_mm_map {
   #define PR_GET_TAGGED_ADDR_CTRL                56
   # define PR_TAGGED_ADDR_ENABLE         (1UL << 0)

  +/* Control reclaim behavior when allocating memory */
  +#define PR_SET_IO_FLUSHER              57
  +#define PR_GET_IO_FLUSHER              58
  +
   #endif /* _LINUX_PRCTL_H */
  $ tools/perf/trace/beauty/prctl_option.sh > after
  $ diff -u before after
  --- before	2020-02-11 15:24:35.339289912 -0300
  +++ after	2020-02-11 15:24:56.319711315 -0300
  @@ -51,6 +51,8 @@
   	[54] = "PAC_RESET_KEYS",
   	[55] = "SET_TAGGED_ADDR_CTRL",
   	[56] = "GET_TAGGED_ADDR_CTRL",
  +	[57] = "SET_IO_FLUSHER",
  +	[58] = "GET_IO_FLUSHER",
   };
   static const char *prctl_set_mm_options[] = {
   	[1] = "START_CODE",
  $

Cc: Adrian Hunter <adrian.hunter@...el.com>
Cc: Christian Brauner <christian.brauner@...ntu.com>
Cc: Jiri Olsa <jolsa@...nel.org>
Cc: Mike Christie <mchristi@...hat.com>
Cc: Namhyung Kim <namhyung@...nel.org>
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/include/uapi/linux/prctl.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/tools/include/uapi/linux/prctl.h b/tools/include/uapi/linux/prctl.h
index 7da1b37..07b4f81 100644
--- a/tools/include/uapi/linux/prctl.h
+++ b/tools/include/uapi/linux/prctl.h
@@ -234,4 +234,8 @@ struct prctl_mm_map {
 #define PR_GET_TAGGED_ADDR_CTRL		56
 # define PR_TAGGED_ADDR_ENABLE		(1UL << 0)
 
+/* Control reclaim behavior when allocating memory */
+#define PR_SET_IO_FLUSHER		57
+#define PR_GET_IO_FLUSHER		58
+
 #endif /* _LINUX_PRCTL_H */