1. 04 Oct, 2006 1 commit
  2. 02 Oct, 2006 5 commits
    • Arnd Bergmann's avatar
      [PATCH] rename the provided execve functions to kernel_execve · 3db03b4a
      Arnd Bergmann authored
      Some architectures provide an execve function that does not set errno, but
      instead returns the result code directly.  Rename these to kernel_execve to
      get the right semantics there.  Moreover, there is no reasone for any of these
      architectures to still provide __KERNEL_SYSCALLS__ or _syscallN macros, so
      remove these right away.
      
      [akpm@osdl.org: build fix]
      [bunk@stusta.de: build fix]
      Signed-off-by: default avatarArnd Bergmann <arnd@arndb.de>
      Cc: Andi Kleen <ak@muc.de>
      Acked-by: default avatarPaul Mackerras <paulus@samba.org>
      Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
      Cc: Richard Henderson <rth@twiddle.net>
      Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
      Cc: Russell King <rmk@arm.linux.org.uk>
      Cc: Ian Molton <spyro@f2s.com>
      Cc: Mikael Starvik <starvik@axis.com>
      Cc: David Howells <dhowells@redhat.com>
      Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
      Cc: Hirokazu Takata <takata.hirokazu@renesas.com>
      Cc: Ralf Baechle <ralf@linux-mips.org>
      Cc: Kyle McMartin <kyle@mcmartin.ca>
      Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
      Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
      Cc: Paul Mundt <lethal@linux-sh.org>
      Cc: Kazumoto Kojima <kkojima@rr.iij4u.or.jp>
      Cc: Richard Curnow <rc@rc0.org.uk>
      Cc: William Lee Irwin III <wli@holomorphy.com>
      Cc: "David S. Miller" <davem@davemloft.net>
      Cc: Jeff Dike <jdike@addtoit.com>
      Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
      Cc: Miles Bader <uclinux-v850@lsi.nec.co.jp>
      Cc: Chris Zankel <chris@zankel.net>
      Cc: "Luck, Tony" <tony.luck@intel.com>
      Cc: Geert Uytterhoeven <geert@linux-m68k.org>
      Cc: Roman Zippel <zippel@linux-m68k.org>
      Signed-off-by: default avatarAdrian Bunk <bunk@stusta.de>
      Cc: Arnd Bergmann <arnd@arndb.de>
      Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
      Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
      3db03b4a
    • Serge E. Hallyn's avatar
      [PATCH] namespaces: utsname: use init_utsname when appropriate · 96b644bd
      Serge E. Hallyn authored
      In some places, particularly drivers and __init code, the init utsns is the
      appropriate one to use.  This patch replaces those with a the init_utsname
      helper.
      
      Changes: Removed several uses of init_utsname().  Hope I picked all the
      	right ones in net/ipv4/ipconfig.c.  These are now changed to
      	utsname() (the per-process namespace utsname) in the previous
      	patch (2/7)
      
      [akpm@osdl.org: CIFS fix]
      Signed-off-by: default avatarSerge E. Hallyn <serue@us.ibm.com>
      Cc: Kirill Korotaev <dev@openvz.org>
      Cc: "Eric W. Biederman" <ebiederm@xmission.com>
      Cc: Herbert Poetzl <herbert@13thfloor.at>
      Cc: Andrey Savochkin <saw@sw.ru>
      Cc: Serge Hallyn <serue@us.ibm.com>
      Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
      Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
      96b644bd
    • Serge E. Hallyn's avatar
      [PATCH] namespaces: utsname: switch to using uts namespaces · e9ff3990
      Serge E. Hallyn authored
      Replace references to system_utsname to the per-process uts namespace
      where appropriate.  This includes things like uname.
      
      Changes: Per Eric Biederman's comments, use the per-process uts namespace
      	for ELF_PLATFORM, sunrpc, and parts of net/ipv4/ipconfig.c
      
      [jdike@addtoit.com: UML fix]
      [clg@fr.ibm.com: cleanup]
      [akpm@osdl.org: build fix]
      Signed-off-by: default avatarSerge E. Hallyn <serue@us.ibm.com>
      Cc: Kirill Korotaev <dev@openvz.org>
      Cc: "Eric W. Biederman" <ebiederm@xmission.com>
      Cc: Herbert Poetzl <herbert@13thfloor.at>
      Cc: Andrey Savochkin <saw@sw.ru>
      Signed-off-by: default avatarCedric Le Goater <clg@fr.ibm.com>
      Cc: Jeff Dike <jdike@addtoit.com>
      Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
      Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
      e9ff3990
    • Serge E. Hallyn's avatar
      [PATCH] nsproxy: move init_nsproxy into kernel/nsproxy.c · 0437eb59
      Serge E. Hallyn authored
      Move the init_nsproxy definition out of arch/ into kernel/nsproxy.c.  This
      avoids all arches having to be updated.  Compiles and boots on s390.
      Signed-off-by: default avatarSerge E. Hallyn <serue@us.ibm.com>
      Cc: Kirill Korotaev <dev@openvz.org>
      Cc: "Eric W. Biederman" <ebiederm@xmission.com>
      Cc: Herbert Poetzl <herbert@13thfloor.at>
      Cc: Andrey Savochkin <saw@sw.ru>
      Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
      Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
      0437eb59
    • Serge E. Hallyn's avatar
      [PATCH] namespaces: add nsproxy · ab516013
      Serge E. Hallyn authored
      This patch adds a nsproxy structure to the task struct.  Later patches will
      move the fs namespace pointer into this structure, and introduce a new utsname
      namespace into the nsproxy.
      
      The vserver and openvz functionality, then, would be implemented in large part
      by virtualizing/isolating more and more resources into namespaces, each
      contained in the nsproxy.
      
      [akpm@osdl.org: build fix]
      Signed-off-by: default avatarSerge Hallyn <serue@us.ibm.com>
      Cc: Kirill Korotaev <dev@openvz.org>
      Cc: "Eric W. Biederman" <ebiederm@xmission.com>
      Cc: Herbert Poetzl <herbert@13thfloor.at>
      Cc: Andrey Savochkin <saw@sw.ru>
      Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
      Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
      ab516013
  3. 29 Sep, 2006 5 commits
    • Atsushi Nemoto's avatar
      [PATCH] simplify update_times (avoid jiffies/jiffies_64 aliasing problem) · 3171a030
      Atsushi Nemoto authored
      Pass ticks to do_timer() and update_times(), and adjust x86_64 and s390
      timer interrupt handler with this change.
      
      Currently update_times() calculates ticks by "jiffies - wall_jiffies", but
      callers of do_timer() should know how many ticks to update.  Passing ticks
      get rid of this redundant calculation.  Also there are another redundancy
      pointed out by Martin Schwidefsky.
      
      This cleanup make a barrier added by
      5aee405c needless.  So this patch removes
      it.
      
      As a bonus, this cleanup make wall_jiffies can be removed easily, since now
      wall_jiffies is always synced with jiffies.  (This patch does not really
      remove wall_jiffies.  It would be another cleanup patch)
      Signed-off-by: default avatarAtsushi Nemoto <anemo@mba.ocn.ne.jp>
      Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
      Cc: "Eric W. Biederman" <ebiederm@xmission.com>
      Cc: Thomas Gleixner <tglx@linutronix.de>
      Cc: Ingo Molnar <mingo@elte.hu>
      Cc: john stultz <johnstul@us.ibm.com>
      Cc: Andi Kleen <ak@muc.de>
      Cc: Paul Mackerras <paulus@samba.org>
      Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
      Cc: Richard Henderson <rth@twiddle.net>
      Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
      Acked-by: default avatarRussell King <rmk@arm.linux.org.uk>
      Cc: Ian Molton <spyro@f2s.com>
      Cc: Mikael Starvik <starvik@axis.com>
      Acked-by: default avatarDavid Howells <dhowells@redhat.com>
      Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
      Cc: Hirokazu Takata <takata.hirokazu@renesas.com>
      Acked-by: default avatarRalf Baechle <ralf@linux-mips.org>
      Cc: Kyle McMartin <kyle@mcmartin.ca>
      Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
      Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
      Cc: Paul Mundt <lethal@linux-sh.org>
      Cc: Kazumoto Kojima <kkojima@rr.iij4u.or.jp>
      Cc: Richard Curnow <rc@rc0.org.uk>
      Cc: William Lee Irwin III <wli@holomorphy.com>
      Cc: "David S. Miller" <davem@davemloft.net>
      Cc: Jeff Dike <jdike@addtoit.com>
      Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
      Cc: Miles Bader <uclinux-v850@lsi.nec.co.jp>
      Cc: Chris Zankel <chris@zankel.net>
      Acked-by: default avatar"Luck, Tony" <tony.luck@intel.com>
      Cc: Geert Uytterhoeven <geert@linux-m68k.org>
      Cc: Roman Zippel <zippel@linux-m68k.org>
      Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
      Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
      3171a030
    • Sukadev Bhattiprolu's avatar
      [PATCH] pidspace: is_init() · f400e198
      Sukadev Bhattiprolu authored
      This is an updated version of Eric Biederman's is_init() patch.
      (http://lkml.org/lkml/2006/2/6/280).  It applies cleanly to 2.6.18-rc3 and
      replaces a few more instances of ->pid == 1 with is_init().
      
      Further, is_init() checks pid and thus removes dependency on Eric's other
      patches for now.
      
      Eric's original description:
      
      	There are a lot of places in the kernel where we test for init
      	because we give it special properties.  Most  significantly init
      	must not die.  This results in code all over the kernel test
      	->pid == 1.
      
      	Introduce is_init to capture this case.
      
      	With multiple pid spaces for all of the cases affected we are
      	looking for only the first process on the system, not some other
      	process that has pid == 1.
      Signed-off-by: default avatarEric W. Biederman <ebiederm@xmission.com>
      Signed-off-by: default avatarSukadev Bhattiprolu <sukadev@us.ibm.com>
      Cc: Dave Hansen <haveblue@us.ibm.com>
      Cc: Serge Hallyn <serue@us.ibm.com>
      Cc: Cedric Le Goater <clg@fr.ibm.com>
      Cc: <lxc-devel@lists.sourceforge.net>
      Acked-by: default avatarPaul Mackerras <paulus@samba.org>
      Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
      Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
      f400e198
    • Jeff Dike's avatar
      [PATCH] uml: remove pte_mkexec · 5906e417
      Jeff Dike authored
      Andi is making pte_mkexec go away, and UML had one of the last uses.
      
      This removes the use and the definition.
      Signed-off-by: default avatarJeff Dike <jdike@addtoit.com>
      Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
      Cc: Andi Kleen <ak@muc.de>
      Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
      Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
      5906e417
    • Jeff Dike's avatar
      [PATCH] uml: remove unneeded file · 3b89af76
      Jeff Dike authored
      Remove arch/um/kernel/skas/process_kern.c again.  The stack alignment
      change which resulted in this file being here is safely in
      arch/um/kernel/process.c.
      Signed-off-by: default avatarJeff Dike <jdike@addtoit.com>
      Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
      Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
      3b89af76
    • Jeff Dike's avatar
      [PATCH] uml: locking documentation · 730760e9
      Jeff Dike authored
      Some locking documentation and a cleanup.  uml_exitcode is copied into a local
      before sprintf sees it, in case sprintf does anything non-atomic with it.
      
      The rest are comments about why certain globals don't need any kind of
      locking.
      Signed-off-by: default avatarJeff Dike <jdike@addtoit.com>
      Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
      Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
      730760e9
  4. 27 Sep, 2006 9 commits
  5. 26 Sep, 2006 11 commits
  6. 31 Jul, 2006 1 commit
    • Roland McGrath's avatar
      [PATCH] vDSO hash-style fix · 0b0bf7a3
      Roland McGrath authored
      The latest toolchains can produce a new ELF section in DSOs and
      dynamically-linked executables.  The new section ".gnu.hash" replaces
      ".hash", and allows for more efficient runtime symbol lookups by the
      dynamic linker.  The new ld option --hash-style={sysv|gnu|both} controls
      whether to produce the old ".hash", the new ".gnu.hash", or both.  In some
      new systems such as Fedora Core 6, gcc by default passes --hash-style=gnu
      to the linker, so that a standard invocation of "gcc -shared" results in
      producing a DSO with only ".gnu.hash".  The new ".gnu.hash" sections need
      to be dealt with the same way as ".hash" sections in all respects; only the
      dynamic linker cares about their contents.  To work with older dynamic
      linkers (i.e.  preexisting releases of glibc), a binary must have the old
      ".hash" section.  The --hash-style=both option produces binaries that a new
      dynamic linker can use more efficiently, but an old dynamic linker can
      still handle.
      
      The new section runs afoul of the custom linker scripts used to build vDSO
      images for the kernel.  On ia64, the failure mode for this is a boot-time
      panic because the vDSO's PT_IA_64_UNWIND segment winds up ill-formed.
      
      This patch addresses the problem in two ways.
      
      First, it mentions ".gnu.hash" in all the linker scripts alongside ".hash".
       This produces correct vDSO images with --hash-style=sysv (or old tools),
      with --hash-style=gnu, or with --hash-style=both.
      
      Second, it passes the --hash-style=sysv option when building the vDSO
      images, so that ".gnu.hash" is not actually produced.  This is the most
      conservative choice for compatibility with any old userland.  There is some
      concern that some ancient glibc builds (though not any known old production
      system) might choke on --hash-style=both binaries.  The optimizations
      provided by the new style of hash section do not really matter for a DSO
      with a tiny number of symbols, as the vDSO has.  If someone wants to use
      =gnu or =both for their vDSO builds and worry less about that
      compatibility, just change the option and the linker script changes will
      make any choice work fine.
      Signed-off-by: default avatarRoland McGrath <roland@redhat.com>
      Cc: "Luck, Tony" <tony.luck@intel.com>
      Cc: Kyle McMartin <kyle@mcmartin.ca>
      Cc: Paul Mackerras <paulus@samba.org>
      Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
      Cc: Jeff Dike <jdike@addtoit.com>
      Cc: Andi Kleen <ak@muc.de>
      Cc: Sam Ravnborg <sam@ravnborg.org>
      Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
      Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
      0b0bf7a3
  7. 15 Jul, 2006 1 commit
  8. 14 Jul, 2006 1 commit
  9. 10 Jul, 2006 6 commits