diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2016-04-10 17:48:17 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-04-10 17:48:17 -0700 |
| commit | 08b15d13864279aae10443c48cb268d823895b14 (patch) | |
| tree | 87a415daab890cd28851beb4478595aae1778cdd /arch/arm/mm | |
| parent | 2f422f94eea83f50755df76be8f5ff86ef89ad80 (diff) | |
| parent | 208fae5c3b9431013ad7bcea07cbcee114e7d163 (diff) | |
Merge branch 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm
Pull ARM fixes from Russell King:
"A couple of small fixes, and wiring up the new syscalls which appeared
during the merge window"
* 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm:
ARM: 8550/1: protect idiv patching against undefined gcc behavior
ARM: wire up preadv2 and pwritev2 syscalls
ARM: SMP enable of cache maintanence broadcast
Diffstat (limited to 'arch/arm/mm')
| -rw-r--r-- | arch/arm/mm/proc-v7.S | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/arch/arm/mm/proc-v7.S b/arch/arm/mm/proc-v7.S index 0f8963a7e7d9..6fcaac8e200f 100644 --- a/arch/arm/mm/proc-v7.S +++ b/arch/arm/mm/proc-v7.S @@ -281,12 +281,12 @@ __v7_ca17mp_setup: bl v7_invalidate_l1 ldmia r12, {r1-r6, lr} #ifdef CONFIG_SMP + orr r10, r10, #(1 << 6) @ Enable SMP/nAMP mode ALT_SMP(mrc p15, 0, r0, c1, c0, 1) - ALT_UP(mov r0, #(1 << 6)) @ fake it for UP - tst r0, #(1 << 6) @ SMP/nAMP mode enabled? - orreq r0, r0, #(1 << 6) @ Enable SMP/nAMP mode - orreq r0, r0, r10 @ Enable CPU-specific SMP bits - mcreq p15, 0, r0, c1, c0, 1 + ALT_UP(mov r0, r10) @ fake it for UP + orr r10, r10, r0 @ Set required bits + teq r10, r0 @ Were they already set? + mcrne p15, 0, r10, c1, c0, 1 @ No, update register #endif b __v7_setup_cont |