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authorRichard Kuo <rkuo@codeaurora.org>2013-05-04 02:04:46 +0400
committerRichard Kuo <rkuo@codeaurora.org>2013-05-07 20:37:53 +0400
commit13a95c48136aaa4cd30a35be2210869fa7e6119f (patch)
treee4b6ffe03fbf66ebb5752f25983e179f04c27d7b /arch/hexagon
parent426d29ccb2a8d44c18d3167327ee82b38287e7bf (diff)
downloadlinux-13a95c48136aaa4cd30a35be2210869fa7e6119f.tar.xz
Hexagon: fix register used to call do_work_pending
ABI v2 callee saves start at R24. Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
Diffstat (limited to 'arch/hexagon')
-rw-r--r--arch/hexagon/kernel/vm_entry.S12
1 files changed, 6 insertions, 6 deletions
diff --git a/arch/hexagon/kernel/vm_entry.S b/arch/hexagon/kernel/vm_entry.S
index e3086185fc9f..67c6ccc14770 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