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authorLinus Torvalds <torvalds@linux-foundation.org>2013-05-08 15:08:59 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2013-05-08 15:08:59 -0700
commit246e6a0d781091c4657890ffa497c2576bd99095 (patch)
tree2d53b23849eb5482a6cdfd8ad23e06ffde2bedf5 /arch/hexagon
parent956e46efb2478ebff7a871138458fa8124fd18dd (diff)
parentde44443a45e36b7467af2518d3bf7ec6ec909549 (diff)
downloadop-kernel-dev-246e6a0d781091c4657890ffa497c2576bd99095.zip
op-kernel-dev-246e6a0d781091c4657890ffa497c2576bd99095.tar.gz
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rkuo/linux-hexagon-kernel
Pull Hexagon fixes from Richard Kuo: "A bug fix and a Kconfig cleanup" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rkuo/linux-hexagon-kernel: HEXAGON: Remove non existent reference to GENERIC_KERNEL_EXECVE & GENERIC_KERNEL_THREAD Hexagon: fix register used to call do_work_pending
Diffstat (limited to 'arch/hexagon')
-rw-r--r--arch/hexagon/Kconfig2
-rw-r--r--arch/hexagon/kernel/vm_entry.S12
2 files changed, 6 insertions, 8 deletions
diff --git a/arch/hexagon/Kconfig b/arch/hexagon/Kconfig
index 04dff5b..841325f 100644
--- a/arch/hexagon/Kconfig
+++ b/arch/hexagon/Kconfig
@@ -30,8 +30,6 @@ config HEXAGON
select GENERIC_CLOCKEVENTS_BROADCAST
select MODULES_USE_ELF_RELA
select GENERIC_CPU_DEVICES
- select GENERIC_KERNEL_THREAD
- select GENERIC_KERNEL_EXECVE
---help---
Qualcomm Hexagon is a processor architecture designed for high
performance and low power across a wide variety of applications.
diff --git a/arch/hexagon/kernel/vm_entry.S b/arch/hexagon/kernel/vm_entry.S
index e308618..67c6ccc 100644
--- a/arch/hexagon/kernel/vm_entry.S
+++ b/arch/hexagon/kernel/vm_entry.S
@@ -291,12 +291,12 @@ event_dispatch:
/* "Nested control path" -- if the previous mode was kernel */
{
R0 = memw(R29 + #_PT_ER_VMEST);
- R16.L = #LO(do_work_pending);
+ R26.L = #LO(do_work_pending);
}
{
P0 = tstbit(R0, #HVM_VMEST_UM_SFT);
if (!P0.new) jump:nt restore_all;
- R16.H = #HI(do_work_pending);
+ R26.H = #HI(do_work_pending);
R0 = #VM_INT_DISABLE;
}
@@ -304,7 +304,7 @@ event_dispatch:
* Check also the return from fork/system call, normally coming back from
* user mode
*
- * R16 needs to have do_work_pending, and R0 should have VM_INT_DISABLE
+ * R26 needs to have do_work_pending, and R0 should have VM_INT_DISABLE
*/
check_work_pending:
@@ -313,7 +313,7 @@ check_work_pending:
{
R0 = R29; /* regs should still be at top of stack */
R1 = memw(THREADINFO_REG + #_THREAD_INFO_FLAGS);
- callr R16;
+ callr R26;
}
{
@@ -375,11 +375,11 @@ _K_enter_debug:
ret_from_fork:
{
call schedule_tail
- R16.H = #HI(do_work_pending);
+ R26.H = #HI(do_work_pending);
}
{
P0 = cmp.eq(R24, #0);
- R16.L = #LO(do_work_pending);
+ R26.L = #LO(do_work_pending);
R0 = #VM_INT_DISABLE;
}
if P0 jump check_work_pending
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