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Diffstat (limited to 'arch/tile/mm/migrate_32.S')
-rw-r--r--arch/tile/mm/migrate_32.S36
1 files changed, 8 insertions, 28 deletions
diff --git a/arch/tile/mm/migrate_32.S b/arch/tile/mm/migrate_32.S
index ac01a7cdf77f..5305814bf187 100644
--- a/arch/tile/mm/migrate_32.S
+++ b/arch/tile/mm/migrate_32.S
@@ -40,8 +40,7 @@
#define FRAME_R32 16
#define FRAME_R33 20
#define FRAME_R34 24
-#define FRAME_R35 28
-#define FRAME_SIZE 32
+#define FRAME_SIZE 28
@@ -66,12 +65,11 @@
#define r_my_cpumask r5
/* Locals (callee-save); must not be more than FRAME_xxx above. */
-#define r_save_ics r30
-#define r_context_lo r31
-#define r_context_hi r32
-#define r_access_lo r33
-#define r_access_hi r34
-#define r_asid r35
+#define r_context_lo r30
+#define r_context_hi r31
+#define r_access_lo r32
+#define r_access_hi r33
+#define r_asid r34
STD_ENTRY(flush_and_install_context)
/*
@@ -104,11 +102,7 @@ STD_ENTRY(flush_and_install_context)
sw r_tmp, r33
addi r_tmp, sp, FRAME_R34
}
- {
- sw r_tmp, r34
- addi r_tmp, sp, FRAME_R35
- }
- sw r_tmp, r35
+ sw r_tmp, r34
/* Move some arguments to callee-save registers. */
{
@@ -121,13 +115,6 @@ STD_ENTRY(flush_and_install_context)
}
move r_asid, r_asid_in
- /* Disable interrupts, since we can't use our stack. */
- {
- mfspr r_save_ics, INTERRUPT_CRITICAL_SECTION
- movei r_tmp, 1
- }
- mtspr INTERRUPT_CRITICAL_SECTION, r_tmp
-
/* First, flush our L2 cache. */
{
move r0, zero /* cache_pa */
@@ -163,7 +150,7 @@ STD_ENTRY(flush_and_install_context)
}
{
move r4, r_asid
- movei r5, HV_CTX_DIRECTIO
+ moveli r5, HV_CTX_DIRECTIO | CTX_PAGE_FLAG
}
jal hv_install_context
bnz r0, .Ldone
@@ -175,9 +162,6 @@ STD_ENTRY(flush_and_install_context)
}
.Ldone:
- /* Reset interrupts back how they were before. */
- mtspr INTERRUPT_CRITICAL_SECTION, r_save_ics
-
/* Restore the callee-saved registers and return. */
addli lr, sp, FRAME_SIZE
{
@@ -202,10 +186,6 @@ STD_ENTRY(flush_and_install_context)
}
{
lw r34, r_tmp
- addli r_tmp, sp, FRAME_R35
- }
- {
- lw r35, r_tmp
addi sp, sp, FRAME_SIZE
}
jrp lr