[RFC][PATCH 00/24] arch: Provide atomic logic ops

Peter Zijlstra
2015-07-09T17:59:56Z

Currently there is an incoherent mess of atomic_{set,clear}_mask() and
atomic_or() (but no atomic_{and,nand,xor}()) in the tree.

Those archs that implement atomic_{set,clear}_mask() are not even consistent on
its signature.

Implement atomic_{or,and,xor}() on all archs and deprecate
atomic_{set,clear}_mask().

Notes:
- FRV got a total rewrite of its atomic implementation,
- Blackfin could use one, or at least some macro help,
- TILE still needs to be done.

The series has been compile tested by the build-bot, only TILE fails to build.

---
arch/alpha/include/asm/atomic.h | 6 +
arch/arc/include/asm/atomic.h | 4
arch/arm/include/asm/atomic.h | 6 +
arch/arm64/include/asm/atomic.h | 6 +
arch/avr32/include/asm/atomic.h | 12 ++
arch/blackfin/include/asm/atomic.h | 16 ++-
arch/blackfin/kernel/bfin_ksyms.c | 7 -
arch/blackfin/mach-bf561/atomic.S | 30 +++---
arch/blackfin/mach-common/smp.c | 2
arch/frv/include/asm/atomic.h | 107 ++++++++++++------------
arch/frv/include/asm/atomic_defs.h | 143 +++++++++++++++++++++++++++++++++
arch/frv/include/asm/bitops.h | 99 ++--------------------
arch/frv/kernel/dma.c | 6 -
arch/frv/lib/Makefile | 2
arch/frv/lib/atomic-lib.c | 7 +
arch/frv/lib/atomic-ops.S | 110 -------------------------
arch/frv/lib/atomic64-ops.S | 94 ---------------------
arch/hexagon/include/asm/atomic.h | 3
arch/ia64/include/asm/atomic.h | 24 ++++-
arch/m32r/include/asm/atomic.h | 44 ----------
arch/m32r/kernel/smp.c | 4
arch/m68k/include/asm/atomic.h | 13 ---
arch/metag/include/asm/atomic_lnkget.h | 37 --------
arch/metag/include/asm/atomic_lock1.h | 23 -----
arch/mips/include/asm/atomic.h | 6 +
arch/mn10300/include/asm/atomic.h | 70 ----------------
arch/mn10300/mm/tlb-smp.c | 2
arch/parisc/include/asm/atomic.h | 6 +
arch/powerpc/include/asm/atomic.h | 6 +
arch/powerpc/kernel/misc_32.S | 19 ----
arch/s390/include/asm/atomic.h | 41 +++++----
arch/s390/kernel/time.c | 4
arch/s390/kvm/interrupt.c | 28 +++---
arch/s390/kvm/kvm-s390.c | 24 ++---
arch/sh/include/asm/atomic-grb.h | 42 ---------
arch/sh/include/asm/atomic-irq.h | 21 ----
arch/sh/include/asm/atomic-llsc.h | 31 -------
arch/sparc/include/asm/atomic_32.h | 3
arch/sparc/include/asm/atomic_64.h | 3
arch/sparc/lib/atomic32.c | 22 ++++-
arch/sparc/lib/atomic_64.S | 6 +
arch/sparc/lib/ksyms.c | 3
arch/x86/include/asm/atomic.h | 25 +++--
arch/x86/include/asm/atomic64_32.h | 14 +++
arch/x86/include/asm/atomic64_64.h | 15 +++
arch/xtensa/include/asm/atomic.h | 72 ----------------
drivers/gpu/drm/i915/i915_drv.c | 2
drivers/gpu/drm/i915/i915_gem.c | 2
drivers/gpu/drm/i915/i915_irq.c | 4
drivers/s390/scsi/zfcp_aux.c | 2
drivers/s390/scsi/zfcp_erp.c | 62 +++++++-------
drivers/s390/scsi/zfcp_fc.c | 8 -
drivers/s390/scsi/zfcp_fsf.c | 26 +++---
drivers/s390/scsi/zfcp_qdio.c | 14 +--
include/asm-generic/atomic.h | 11 +-
include/asm-generic/atomic64.h | 3
include/linux/atomic.h | 30 +++---
lib/atomic64.c | 3
58 files changed, 569 insertions(+), 866 deletions(-)