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author | Mauro Carvalho Chehab <mchehab@redhat.com> | 2013-01-11 13:28:19 -0200 |
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committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2013-01-11 13:28:19 -0200 |
commit | 734d1ece37fbf3d2ddfc71bc6c69e0fe35f02542 (patch) | |
tree | c4805dd7e746b1feb9e09e9849f3245d0b2c0c6b /arch/x86/lib/cmpxchg.c | |
parent | 216c82c6aba63eeb49d7654b448e0d47bea255bb (diff) | |
parent | 9931faca02c604c22335f5a935a501bb2ace6e20 (diff) |
Merge tag 'v3.8-rc3' into v4l_for_linus
Linux 3.8-rc3
* tag 'v3.8-rc3': (11110 commits)
Linux 3.8-rc3
mm: reinstante dropped pmd_trans_splitting() check
cred: Remove tgcred pointer from struct cred
drm/ttm: fix fence locking in ttm_buffer_object_transfer
ARM: clps711x: Fix bad merge of clockevents setup
ARM: highbank: save and restore L2 cache and GIC on suspend
ARM: highbank: add a power request clear
ARM: highbank: fix secondary boot and hotplug
ARM: highbank: fix typos with hignbank in power request functions
ARM: dts: fix highbank cpu mpidr values
ARM: dts: add device_type prop to cpu nodes on Calxeda platforms
drm/prime: drop reference on imported dma-buf come from gem
xen/netfront: improve truesize tracking
ARM: mx5: Fix MX53 flexcan2 clock
ARM: OMAP2+: am33xx-hwmod: Fix wrongly terminated am33xx_usbss_mpu_irqs array
sctp: fix Kconfig bug in default cookie hmac selection
EDAC: Cleanup device deregistering path
EDAC: Fix EDAC Kconfig menu
EDAC: Fix kernel panic on module unloading
ALSA: hda - add mute LED for HP Pavilion 17 (Realtek codec)
...
Diffstat (limited to 'arch/x86/lib/cmpxchg.c')
-rw-r--r-- | arch/x86/lib/cmpxchg.c | 54 |
1 files changed, 0 insertions, 54 deletions
diff --git a/arch/x86/lib/cmpxchg.c b/arch/x86/lib/cmpxchg.c deleted file mode 100644 index 5d619f6df3e..00000000000 --- a/arch/x86/lib/cmpxchg.c +++ /dev/null @@ -1,54 +0,0 @@ -/* - * cmpxchg*() fallbacks for CPU not supporting these instructions - */ - -#include <linux/kernel.h> -#include <linux/smp.h> -#include <linux/module.h> - -#ifndef CONFIG_X86_CMPXCHG -unsigned long cmpxchg_386_u8(volatile void *ptr, u8 old, u8 new) -{ - u8 prev; - unsigned long flags; - - /* Poor man's cmpxchg for 386. Unsuitable for SMP */ - local_irq_save(flags); - prev = *(u8 *)ptr; - if (prev == old) - *(u8 *)ptr = new; - local_irq_restore(flags); - return prev; -} -EXPORT_SYMBOL(cmpxchg_386_u8); - -unsigned long cmpxchg_386_u16(volatile void *ptr, u16 old, u16 new) -{ - u16 prev; - unsigned long flags; - - /* Poor man's cmpxchg for 386. Unsuitable for SMP */ - local_irq_save(flags); - prev = *(u16 *)ptr; - if (prev == old) - *(u16 *)ptr = new; - local_irq_restore(flags); - return prev; -} -EXPORT_SYMBOL(cmpxchg_386_u16); - -unsigned long cmpxchg_386_u32(volatile void *ptr, u32 old, u32 new) -{ - u32 prev; - unsigned long flags; - - /* Poor man's cmpxchg for 386. Unsuitable for SMP */ - local_irq_save(flags); - prev = *(u32 *)ptr; - if (prev == old) - *(u32 *)ptr = new; - local_irq_restore(flags); - return prev; -} -EXPORT_SYMBOL(cmpxchg_386_u32); -#endif |