16 files changed, 19 insertions, 32 deletions

diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index 00151a8320d8..ed25d66c8d50 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -339,12 +339,6 @@ config IA64_PALINFO
           To use this option, you have to ensure that the "/proc file system
           support" (CONFIG_PROC_FS) is enabled, too.
 
-config ACPI_DEALLOCATE_IRQ
-        bool
-        depends on ACPI
-        depends on IOSAPIC && EXPERIMENTAL
-        default y
-
 source "drivers/firmware/Kconfig"
 
 source "fs/Kconfig.binfmt"
diff --git a/arch/ia64/configs/sn2_defconfig b/arch/ia64/configs/sn2_defconfig
index 1ca6e6e11b42..08112ab38468 100644
--- a/arch/ia64/configs/sn2_defconfig
+++ b/arch/ia64/configs/sn2_defconfig
@@ -111,7 +111,6 @@ CONFIG_COMPAT=y
 CONFIG_IA64_MCA_RECOVERY=y
 CONFIG_PERFMON=y
 CONFIG_IA64_PALINFO=y
-CONFIG_ACPI_DEALLOCATE_IRQ=y
 
 #
 # Firmware Drivers
diff --git a/arch/ia64/configs/tiger_defconfig b/arch/ia64/configs/tiger_defconfig
index 3ec94a12eac0..d452e18ac494 100644
--- a/arch/ia64/configs/tiger_defconfig
+++ b/arch/ia64/configs/tiger_defconfig
@@ -109,7 +109,6 @@ CONFIG_COMPAT=y
 CONFIG_IA64_MCA_RECOVERY=y
 CONFIG_PERFMON=y
 CONFIG_IA64_PALINFO=y
-CONFIG_ACPI_DEALLOCATE_IRQ=y
 
 #
 # Firmware Drivers
diff --git a/arch/ia64/configs/zx1_defconfig b/arch/ia64/configs/zx1_defconfig
index d4cf73d124bc..80b0e9eb7fb3 100644
--- a/arch/ia64/configs/zx1_defconfig
+++ b/arch/ia64/configs/zx1_defconfig
@@ -109,7 +109,6 @@ CONFIG_COMPAT=y
 CONFIG_IA64_MCA_RECOVERY=y
 CONFIG_PERFMON=y
 CONFIG_IA64_PALINFO=y
-CONFIG_ACPI_DEALLOCATE_IRQ=y
 
 #
 # Firmware Drivers
diff --git a/arch/ia64/defconfig b/arch/ia64/defconfig
index b6ec8d32c346..5da208115ea1 100644
--- a/arch/ia64/defconfig
+++ b/arch/ia64/defconfig
@@ -99,7 +99,6 @@ CONFIG_COMPAT=y
 CONFIG_IA64_MCA_RECOVERY=y
 CONFIG_PERFMON=y
 CONFIG_IA64_PALINFO=y
-CONFIG_ACPI_DEALLOCATE_IRQ=y
 
 #
 # Firmware Drivers
@@ -335,7 +334,7 @@ CONFIG_SCSI_SYM53C8XX_DEFAULT_TAGS=16
 CONFIG_SCSI_SYM53C8XX_MAX_TAGS=64
 # CONFIG_SCSI_SYM53C8XX_IOMAPPED is not set
 # CONFIG_SCSI_IPR is not set
-CONFIG_SCSI_QLOGIC_FC=y
+# CONFIG_SCSI_QLOGIC_FC is not set
 # CONFIG_SCSI_QLOGIC_FC_FIRMWARE is not set
 CONFIG_SCSI_QLOGIC_1280=y
 # CONFIG_SCSI_QLOGIC_1280_1040 is not set
diff --git a/arch/ia64/kernel/acpi.c b/arch/ia64/kernel/acpi.c
index 318787c84ac0..28a4529fdd60 100644
--- a/arch/ia64/kernel/acpi.c
+++ b/arch/ia64/kernel/acpi.c
@@ -583,14 +583,12 @@ int acpi_register_gsi(u32 gsi, int edge_level, int active_high_low)
 
 EXPORT_SYMBOL(acpi_register_gsi);
 
-#ifdef CONFIG_ACPI_DEALLOCATE_IRQ
 void acpi_unregister_gsi(u32 gsi)
 {
         iosapic_unregister_intr(gsi);
 }
 
 EXPORT_SYMBOL(acpi_unregister_gsi);
-#endif                          /* CONFIG_ACPI_DEALLOCATE_IRQ */
 
 static int __init acpi_parse_fadt(unsigned long phys_addr, unsigned long size)
 {
diff --git a/arch/ia64/kernel/entry.S b/arch/ia64/kernel/entry.S
index 9be53e1ea404..3c8821024509 100644
--- a/arch/ia64/kernel/entry.S
+++ b/arch/ia64/kernel/entry.S
@@ -204,9 +204,6 @@ GLOBAL_ENTRY(ia64_switch_to)
 (p6)    br.cond.dpnt .map
         ;;
 .done:
-(p6)    ssm psr.ic                      // if we had to map, reenable the psr.ic bit FIRST!!!
-        ;;
-(p6)    srlz.d
         ld8 sp=[r21]                    // load kernel stack pointer of new task
         mov IA64_KR(CURRENT)=in0        // update "current" application register
         mov r8=r13                      // return pointer to previously running task
@@ -234,6 +231,9 @@ GLOBAL_ENTRY(ia64_switch_to)
         mov IA64_KR(CURRENT_STACK)=r26  // remember last page we mapped...
         ;;
         itr.d dtr[r25]=r23              // wire in new mapping...
+        ssm psr.ic                      // reenable the psr.ic bit
+        ;;
+        srlz.d
         br.cond.sptk .done
 END(ia64_switch_to)
 
diff --git a/arch/ia64/kernel/iosapic.c b/arch/ia64/kernel/iosapic.c
index a13df592ebf7..574084f343fa 100644
--- a/arch/ia64/kernel/iosapic.c
+++ b/arch/ia64/kernel/iosapic.c
@@ -782,7 +782,6 @@ again:
         return vector;
 }
 
-#ifdef CONFIG_ACPI_DEALLOCATE_IRQ
 void
 iosapic_unregister_intr (unsigned int gsi)
 {
@@ -865,7 +864,6 @@ iosapic_unregister_intr (unsigned int gsi)
         spin_unlock(&iosapic_lock);
         spin_unlock_irqrestore(&idesc->lock, flags);
 }
-#endif /* CONFIG_ACPI_DEALLOCATE_IRQ */
 
 /*
  * ACPI calls this when it finds an entry for a platform interrupt.
diff --git a/arch/ia64/lib/memcpy_mck.S b/arch/ia64/lib/memcpy_mck.S
index 6f308e62c137..46c9331e7ab5 100644
--- a/arch/ia64/lib/memcpy_mck.S
+++ b/arch/ia64/lib/memcpy_mck.S
@@ -625,8 +625,11 @@ EK(.ex_handler,  (p17)	st8	[dst1]=r39,8);						\
         clrrrb
         ;;
         alloc   saved_pfs_stack=ar.pfs,3,3,3,0
+        cmp.lt  p8,p0=A,r0
         sub     B = dst0, saved_in0     // how many byte copied so far
         ;;
+(p8)    mov     A = 0;                  // A shouldn't be negative, cap it
+        ;;
         sub     C = A, B
         sub     D = saved_in2, A
         ;;
diff --git a/arch/ia64/mm/fault.c b/arch/ia64/mm/fault.c
index 24614869e866..3c32af910d60 100644
--- a/arch/ia64/mm/fault.c
+++ b/arch/ia64/mm/fault.c
@@ -230,9 +230,6 @@ ia64_do_page_fault (unsigned long address, unsigned long isr, struct pt_regs *re
                 return;
         }
 
-        if (ia64_done_with_exception(regs))
-                return;
-
         /*
          * Since we have no vma's for region 5, we might get here even if the address is