5 files changed, 36 insertions, 21 deletions

diff --git a/arch/i386/Kconfig b/arch/i386/Kconfig
index 5383e5e2d9b7..bac0da731ee3 100644
--- a/arch/i386/Kconfig
+++ b/arch/i386/Kconfig
@@ -1042,8 +1042,3 @@ config X86_TRAMPOLINE
         bool
         depends on X86_SMP || (X86_VOYAGER && SMP)
         default y
-
-config PC
-        bool
-        depends on X86 && !EMBEDDED
-        default y
diff --git a/drivers/input/keyboard/Kconfig b/drivers/input/keyboard/Kconfig
index 571a68691a4a..4a917748fd9f 100644
--- a/drivers/input/keyboard/Kconfig
+++ b/drivers/input/keyboard/Kconfig
@@ -13,11 +13,11 @@ menuconfig INPUT_KEYBOARD
 if INPUT_KEYBOARD
 
 config KEYBOARD_ATKBD
-        tristate "AT keyboard" if !PC
+        tristate "AT keyboard" if !X86_PC
         default y
         select SERIO
         select SERIO_LIBPS2
-        select SERIO_I8042 if PC
+        select SERIO_I8042 if X86_PC
         select SERIO_GSCPS2 if GSC
         help
           Say Y here if you want to use a standard AT or PS/2 keyboard. Usually
diff --git a/drivers/input/mouse/Kconfig b/drivers/input/mouse/Kconfig
index 537154dd7a87..574b18a523af 100644
--- a/drivers/input/mouse/Kconfig
+++ b/drivers/input/mouse/Kconfig
@@ -17,7 +17,7 @@ config MOUSE_PS2
         default y
         select SERIO
         select SERIO_LIBPS2
-        select SERIO_I8042 if PC
+        select SERIO_I8042 if X86_PC
         select SERIO_GSCPS2 if GSC
         ---help---
           Say Y here if you have a PS/2 mouse connected to your system. This
diff --git a/drivers/scsi/ide-scsi.c b/drivers/scsi/ide-scsi.c
index 00d6a6657ebc..a440ea38efaa 100644
--- a/drivers/scsi/ide-scsi.c
+++ b/drivers/scsi/ide-scsi.c
@@ -180,12 +180,22 @@ static void idescsi_input_buffers (ide_drive_t *drive, idescsi_pc_t *pc, unsigne
                         return;
                 }
                 count = min(pc->sg->length - pc->b_count, bcount);
-                buf = kmap_atomic(pc->sg->page, KM_IRQ0);
-                drive->hwif->atapi_input_bytes(drive,
-                                buf + pc->b_count + pc->sg->offset, count);
-                kunmap_atomic(buf, KM_IRQ0);
-                bcount -= count;
-                pc->b_count += count;
+                if (PageHighMem(pc->sg->page)) {
+                        unsigned long flags;
+
+                        local_irq_save(flags);
+                        buf = kmap_atomic(pc->sg->page, KM_IRQ0) +
+                                        pc->sg->offset;
+                        drive->hwif->atapi_input_bytes(drive,
+                                                buf + pc->b_count, count);
+                        kunmap_atomic(buf - pc->sg->offset, KM_IRQ0);
+                        local_irq_restore(flags);
+                } else {
+                        buf = page_address(pc->sg->page) + pc->sg->offset;
+                        drive->hwif->atapi_input_bytes(drive,
+                                                buf + pc->b_count, count);
+                }
+                bcount -= count; pc->b_count += count;
                 if (pc->b_count == pc->sg->length) {
                         pc->sg++;
                         pc->b_count = 0;
@@ -205,12 +215,22 @@ static void idescsi_output_buffers (ide_drive_t *drive, idescsi_pc_t *pc, unsign
                         return;
                 }
                 count = min(pc->sg->length - pc->b_count, bcount);
-                buf = kmap_atomic(pc->sg->page, KM_IRQ0);
-                drive->hwif->atapi_output_bytes(drive,
-                                buf + pc->b_count + pc->sg->offset, count);
-                kunmap_atomic(buf, KM_IRQ0);
-                bcount -= count;
-                pc->b_count += count;
+                if (PageHighMem(pc->sg->page)) {
+                        unsigned long flags;
+
+                        local_irq_save(flags);
+                        buf = kmap_atomic(pc->sg->page, KM_IRQ0) +
+                                                pc->sg->offset;
+                        drive->hwif->atapi_output_bytes(drive,
+                                                buf + pc->b_count, count);
+                        kunmap_atomic(buf - pc->sg->offset, KM_IRQ0);
+                        local_irq_restore(flags);
+                } else {
+                        buf = page_address(pc->sg->page) + pc->sg->offset;
+                        drive->hwif->atapi_output_bytes(drive,
+                                                buf + pc->b_count, count);
+                }
+                bcount -= count; pc->b_count += count;
                 if (pc->b_count == pc->sg->length) {
                         pc->sg++;
                         pc->b_count = 0;
diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c
index ffab4783ac64..c27f8d4098be 100644
--- a/fs/fs-writeback.c
+++ b/fs/fs-writeback.c
@@ -247,7 +247,7 @@ __writeback_single_inode(struct inode *inode, struct writeback_control *wbc)
         wait_queue_head_t *wqh;
 
         if (!atomic_read(&inode->i_count))
-                WARN_ON(!(inode->i_state & I_WILL_FREE));
+                WARN_ON(!(inode->i_state & (I_WILL_FREE|I_FREEING)));
         else
                 WARN_ON(inode->i_state & I_WILL_FREE);