1. 15 Jun, 2017 2 commits
  2. 24 Aug, 2016 1 commit
  3. 21 Mar, 2016 1 commit
    • Paul Gortmaker's avatar
      drivers/xen: make sys-hypervisor.c explicitly non-modular · 46894f17
      Paul Gortmaker authored
      The Kconfig currently controlling compilation of this code is:
      
      config XEN_SYS_HYPERVISOR
             bool "Create xen entries under /sys/hypervisor"
      
      ...meaning that it currently is not being built as a module by anyone.
      
      Lets remove the modular code that is essentially orphaned, so that
      when reading the driver there is no doubt it is builtin-only.
      
      Since module_init translates to device_initcall in the non-modular
      case, the init ordering remains unchanged with this commit.  However
      one could argue that fs_initcall() might make more sense here.
      
      This change means that the one line function xen_properties_destroy()
      has only one user left, and since that is inside an #ifdef, we just
      manually inline it there vs. adding more ifdeffery around the function
      to avoid compile warnings about "defined but not used".
      
      In order to be consistent we also manually inline the other _destroy
      functions that are also just one line sysfs functions calls with only
      one call site remaing, even though they wouldn't need #ifdeffery.
      Signed-off-by: default avatarPaul Gortmaker <paul.gortmaker@windriver.com>
      Reviewed-by: default avatarStefano Stabellini <stefano.stabellini@eu.citrix.com>
      Signed-off-by: default avatarDavid Vrabel <david.vrabel@citrix.com>
      46894f17
  4. 20 Aug, 2015 1 commit
  5. 19 Oct, 2012 2 commits
  6. 09 Oct, 2012 1 commit
    • Arnd Bergmann's avatar
      ARM: Xen: fix initial build problems · f880b67d
      Arnd Bergmann authored
      * The XEN_BALLOON code requires the balloon infrastructure that is not
        getting built on ARM.
      
      * The tmem hypercall is not available on ARM
      
      * ARMv6 does not support cmpxchg on 16-bit words that are used in the
        Xen grant table code, so we must ensure that Xen support is only
        built on ARMv7-only kernels not combined ARMv6/v7 kernels.
      
      * sys-hypervisor.c needs to include linux/err.h in order to use the
        IS_ERR/PTR_ERR/ERR_PTR family of functions.
      Signed-off-by: default avatarArnd Bergmann <arnd@arndb.de>
      Acked-by: default avatarIan Campbell <ian.campbell@citrix.com>
      Cc: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
      Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
      Cc: Jeremy Fitzhardinge <jeremy@goop.org>
      Cc: xen-devel@lists.xensource.com
      f880b67d
  7. 23 Aug, 2012 1 commit
  8. 14 Mar, 2012 1 commit
  9. 19 May, 2011 1 commit
  10. 30 Mar, 2010 1 commit
    • Tejun Heo's avatar
      include cleanup: Update gfp.h and slab.h includes to prepare for breaking... · 5a0e3ad6
      Tejun Heo authored
      include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h
      
      percpu.h is included by sched.h and module.h and thus ends up being
      included when building most .c files.  percpu.h includes slab.h which
      in turn includes gfp.h making everything defined by the two files
      universally available and complicating inclusion dependencies.
      
      percpu.h -> slab.h dependency is about to be removed.  Prepare for
      this change by updating users of gfp and slab facilities include those
      headers directly instead of assuming availability.  As this conversion
      needs to touch large number of source files, the following script is
      used as the basis of conversion.
      
        http://userweb.kernel.org/~tj/misc/slabh-sweep.py
      
      The script does the followings.
      
      * Scan files for gfp and slab usages and update includes such that
        only the necessary includes are there.  ie. if only gfp is used,
        gfp.h, if slab is used, slab.h.
      
      * When the script inserts a new include, it looks at the include
        blocks and try to put the new include such that its order conforms
        to its surrounding.  It's put in the include block which contains
        core kernel includes, in the same order that the rest are ordered -
        alphabetical, Christmas tree, rev-Xmas-tree or at the end if there
        doesn't seem to be any matching order.
      
      * If the script can't find a place to put a new include (mostly
        because the file doesn't have fitting include block), it prints out
        an error message indicating which .h file needs to be added to the
        file.
      
      The conversion was done in the following steps.
      
      1. The initial automatic conversion of all .c files updated slightly
         over 4000 files, deleting around 700 includes and adding ~480 gfp.h
         and ~3000 slab.h inclusions.  The script emitted errors for ~400
         files.
      
      2. Each error was manually checked.  Some didn't need the inclusion,
         some needed manual addition while adding it to implementation .h or
         embedding .c file was more appropriate for others.  This step added
         inclusions to around 150 files.
      
      3. The script was run again and the output was compared to the edits
         from #2 to make sure no file was left behind.
      
      4. Several build tests were done and a couple of problems were fixed.
         e.g. lib/decompress_*.c used malloc/free() wrappers around slab
         APIs requiring slab.h to be added manually.
      
      5. The script was run on all .h files but without automatically
         editing them as sprinkling gfp.h and slab.h inclusions around .h
         files could easily lead to inclusion dependency hell.  Most gfp.h
         inclusion directives were ignored as stuff from gfp.h was usually
         wildly available and often used in preprocessor macros.  Each
         slab.h inclusion directive was examined and added manually as
         necessary.
      
      6. percpu.h was updated not to include slab.h.
      
      7. Build test were done on the following configurations and failures
         were fixed.  CONFIG_GCOV_KERNEL was turned off for all tests (as my
         distributed build env didn't work with gcov compiles) and a few
         more options had to be turned off depending on archs to make things
         build (like ipr on powerpc/64 which failed due to missing writeq).
      
         * x86 and x86_64 UP and SMP allmodconfig and a custom test config.
         * powerpc and powerpc64 SMP allmodconfig
         * sparc and sparc64 SMP allmodconfig
         * ia64 SMP allmodconfig
         * s390 SMP allmodconfig
         * alpha SMP allmodconfig
         * um on x86_64 SMP allmodconfig
      
      8. percpu.h modifications were reverted so that it could be applied as
         a separate patch and serve as bisection point.
      
      Given the fact that I had only a couple of failures from tests on step
      6, I'm fairly confident about the coverage of this conversion patch.
      If there is a breakage, it's likely to be something in one of the arch
      headers which should be easily discoverable easily on most builds of
      the specific arch.
      Signed-off-by: default avatarTejun Heo <tj@kernel.org>
      Guess-its-ok-by: default avatarChristoph Lameter <cl@linux-foundation.org>
      Cc: Ingo Molnar <mingo@redhat.com>
      Cc: Lee Schermerhorn <Lee.Schermerhorn@hp.com>
      5a0e3ad6
  11. 08 Mar, 2010 1 commit
  12. 04 Nov, 2009 1 commit
  13. 30 Mar, 2009 3 commits