1. 09 Oct, 2014 4 commits
  2. 30 Sep, 2014 1 commit
  3. 26 Sep, 2014 2 commits
  4. 25 Sep, 2014 10 commits
  5. 09 Sep, 2014 10 commits
  6. 02 Sep, 2014 2 commits
  7. 01 Sep, 2014 2 commits
  8. 29 Aug, 2014 1 commit
  9. 25 Aug, 2014 2 commits
  10. 12 Aug, 2014 4 commits
  11. 08 Aug, 2014 2 commits
    • Vivek Goyal's avatar
      kexec: load and relocate purgatory at kernel load time · 12db5562
      Vivek Goyal authored
      Load purgatory code in RAM and relocate it based on the location.
      Relocation code has been inspired by module relocation code and purgatory
      relocation code in kexec-tools.
      
      Also compute the checksums of loaded kexec segments and store them in
      purgatory.
      
      Arch independent code provides this functionality so that arch dependent
      bootloaders can make use of it.
      
      Helper functions are provided to get/set symbol values in purgatory which
      are used by bootloaders later to set things like stack and entry point of
      second kernel etc.
      Signed-off-by: default avatarVivek Goyal <vgoyal@redhat.com>
      Cc: Borislav Petkov <bp@suse.de>
      Cc: Michael Kerrisk <mtk.manpages@gmail.com>
      Cc: Yinghai Lu <yinghai@kernel.org>
      Cc: Eric Biederman <ebiederm@xmission.com>
      Cc: H. Peter Anvin <hpa@zytor.com>
      Cc: Matthew Garrett <mjg59@srcf.ucam.org>
      Cc: Greg Kroah-Hartman <greg@kroah.com>
      Cc: Dave Young <dyoung@redhat.com>
      Cc: WANG Chao <chaowang@redhat.com>
      Cc: Baoquan He <bhe@redhat.com>
      Cc: Andy Lutomirski <luto@amacapital.net>
      Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
      Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
      12db5562
    • Andy Lutomirski's avatar
      arm64,ia64,ppc,s390,sh,tile,um,x86,mm: remove default gate area · a6c19dfe
      Andy Lutomirski authored
      The core mm code will provide a default gate area based on
      FIXADDR_USER_START and FIXADDR_USER_END if
      !defined(__HAVE_ARCH_GATE_AREA) && defined(AT_SYSINFO_EHDR).
      
      This default is only useful for ia64.  arm64, ppc, s390, sh, tile, 64-bit
      UML, and x86_32 have their own code just to disable it.  arm, 32-bit UML,
      and x86_64 have gate areas, but they have their own implementations.
      
      This gets rid of the default and moves the code into ia64.
      
      This should save some code on architectures without a gate area: it's now
      possible to inline the gate_area functions in the default case.
      Signed-off-by: default avatarAndy Lutomirski <luto@amacapital.net>
      Acked-by: default avatarNathan Lynch <nathan_lynch@mentor.com>
      Acked-by: default avatarH. Peter Anvin <hpa@linux.intel.com>
      Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> [in principle]
      Acked-by: Richard Weinberger <richard@nod.at> [for um]
      Acked-by: Will Deacon <will.deacon@arm.com> [for arm64]
      Cc: Catalin Marinas <catalin.marinas@arm.com>
      Cc: Will Deacon <will.deacon@arm.com>
      Cc: Tony Luck <tony.luck@intel.com>
      Cc: Fenghua Yu <fenghua.yu@intel.com>
      Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
      Cc: Paul Mackerras <paulus@samba.org>
      Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
      Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
      Cc: Chris Metcalf <cmetcalf@tilera.com>
      Cc: Jeff Dike <jdike@addtoit.com>
      Cc: Richard Weinberger <richard@nod.at>
      Cc: Thomas Gleixner <tglx@linutronix.de>
      Cc: Ingo Molnar <mingo@redhat.com>
      Cc: "H. Peter Anvin" <hpa@zytor.com>
      Cc: Nathan Lynch <Nathan_Lynch@mentor.com>
      Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
      Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
      a6c19dfe