5 files changed, 100 insertions, 13 deletions

diff --git a/arch/sparc/configs/sparc64_defconfig b/arch/sparc/configs/sparc64_defconfig
index 56e3163673e3..259e3fd50993 100644
--- a/arch/sparc/configs/sparc64_defconfig
+++ b/arch/sparc/configs/sparc64_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.33
-# Wed Mar  3 02:54:29 2010
+# Linux kernel version: 2.6.34-rc3
+# Sat Apr  3 15:49:56 2010
 #
 CONFIG_64BIT=y
 CONFIG_SPARC=y
@@ -23,6 +23,7 @@ CONFIG_NEED_PER_CPU_EMBED_FIRST_CHUNK=y
 CONFIG_NEED_PER_CPU_PAGE_FIRST_CHUNK=y
 CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
 CONFIG_MMU=y
+CONFIG_NEED_DMA_MAP_STATE=y
 CONFIG_ARCH_NO_VIRT_TO_BUS=y
 CONFIG_OF=y
 CONFIG_ARCH_SUPPORTS_DEBUG_PAGEALLOC=y
@@ -439,6 +440,7 @@ CONFIG_MISC_DEVICES=y
 # CONFIG_ENCLOSURE_SERVICES is not set
 # CONFIG_HP_ILO is not set
 # CONFIG_ISL29003 is not set
+# CONFIG_SENSORS_TSL2550 is not set
 # CONFIG_DS1682 is not set
 # CONFIG_C2PORT is not set
 
@@ -511,6 +513,7 @@ CONFIG_BLK_DEV_IDEDMA=y
 #
 # SCSI device support
 #
+CONFIG_SCSI_MOD=y
 CONFIG_RAID_ATTRS=m
 CONFIG_SCSI=y
 CONFIG_SCSI_DMA=y
@@ -888,6 +891,7 @@ CONFIG_SERIAL_SUNHV=y
 CONFIG_SERIAL_CORE=y
 CONFIG_SERIAL_CORE_CONSOLE=y
 # CONFIG_SERIAL_JSM is not set
+# CONFIG_SERIAL_TIMBERDALE is not set
 # CONFIG_SERIAL_GRLIB_GAISLER_APBUART is not set
 CONFIG_UNIX98_PTYS=y
 # CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set
@@ -935,6 +939,7 @@ CONFIG_I2C_ALGOBIT=y
 #
 # CONFIG_I2C_OCORES is not set
 # CONFIG_I2C_SIMTEC is not set
+# CONFIG_I2C_XILINX is not set
 
 #
 # External I2C/SMBus adapter drivers
@@ -948,15 +953,9 @@ CONFIG_I2C_ALGOBIT=y
 #
 # CONFIG_I2C_PCA_PLATFORM is not set
 # CONFIG_I2C_STUB is not set
-
-#
-# Miscellaneous I2C Chip support
-#
-# CONFIG_SENSORS_TSL2550 is not set
 # CONFIG_I2C_DEBUG_CORE is not set
 # CONFIG_I2C_DEBUG_ALGO is not set
 # CONFIG_I2C_DEBUG_BUS is not set
-# CONFIG_I2C_DEBUG_CHIP is not set
 # CONFIG_SPI is not set
 
 #
@@ -982,10 +981,11 @@ CONFIG_HWMON=y
 # CONFIG_SENSORS_ADM1029 is not set
 # CONFIG_SENSORS_ADM1031 is not set
 # CONFIG_SENSORS_ADM9240 is not set
+# CONFIG_SENSORS_ADT7411 is not set
 # CONFIG_SENSORS_ADT7462 is not set
 # CONFIG_SENSORS_ADT7470 is not set
-# CONFIG_SENSORS_ADT7473 is not set
 # CONFIG_SENSORS_ADT7475 is not set
+# CONFIG_SENSORS_ASC7621 is not set
 # CONFIG_SENSORS_ATXP1 is not set
 # CONFIG_SENSORS_DS1621 is not set
 # CONFIG_SENSORS_I5K_AMB is not set
@@ -1052,18 +1052,21 @@ CONFIG_SSB_POSSIBLE=y
 # Multifunction device drivers
 #
 # CONFIG_MFD_CORE is not set
+# CONFIG_MFD_88PM860X is not set
 # CONFIG_MFD_SM501 is not set
 # CONFIG_HTC_PASIC3 is not set
 # CONFIG_TWL4030_CORE is not set
 # CONFIG_MFD_TMIO is not set
 # CONFIG_PMIC_DA903X is not set
 # CONFIG_PMIC_ADP5520 is not set
+# CONFIG_MFD_MAX8925 is not set
 # CONFIG_MFD_WM8400 is not set
 # CONFIG_MFD_WM831X is not set
 # CONFIG_MFD_WM8350_I2C is not set
+# CONFIG_MFD_WM8994 is not set
 # CONFIG_MFD_PCF50633 is not set
 # CONFIG_AB3100_CORE is not set
-# CONFIG_MFD_88PM8607 is not set
+# CONFIG_LPC_SCH is not set
 # CONFIG_REGULATOR is not set
 # CONFIG_MEDIA_SUPPORT is not set
 
@@ -1113,6 +1116,7 @@ CONFIG_FB_FFB=y
 # CONFIG_FB_LEO is not set
 CONFIG_FB_XVR500=y
 CONFIG_FB_XVR2500=y
+CONFIG_FB_XVR1000=y
 # CONFIG_FB_S1D13XXX is not set
 # CONFIG_FB_NVIDIA is not set
 # CONFIG_FB_RIVA is not set
@@ -1430,7 +1434,6 @@ CONFIG_USB_STORAGE=m
 # CONFIG_USB_RIO500 is not set
 # CONFIG_USB_LEGOTOWER is not set
 # CONFIG_USB_LCD is not set
-# CONFIG_USB_BERRY_CHARGE is not set
 # CONFIG_USB_LED is not set
 # CONFIG_USB_CYPRESS_CY7C63 is not set
 # CONFIG_USB_CYTHERM is not set
@@ -1443,7 +1446,6 @@ CONFIG_USB_STORAGE=m
 # CONFIG_USB_IOWARRIOR is not set
 # CONFIG_USB_TEST is not set
 # CONFIG_USB_ISIGHTFW is not set
-# CONFIG_USB_VST is not set
 # CONFIG_USB_GADGET is not set
 
 #
@@ -1610,6 +1612,7 @@ CONFIG_MISC_FILESYSTEMS=y
 # CONFIG_BEFS_FS is not set
 # CONFIG_BFS_FS is not set
 # CONFIG_EFS_FS is not set
+# CONFIG_LOGFS is not set
 # CONFIG_CRAMFS is not set
 # CONFIG_SQUASHFS is not set
 # CONFIG_VXFS_FS is not set
@@ -1624,6 +1627,7 @@ CONFIG_NETWORK_FILESYSTEMS=y
 # CONFIG_NFS_FS is not set
 # CONFIG_NFSD is not set
 # CONFIG_SMB_FS is not set
+# CONFIG_CEPH_FS is not set
 # CONFIG_CIFS is not set
 # CONFIG_NCP_FS is not set
 # CONFIG_CODA_FS is not set
diff --git a/arch/sparc/kernel/helpers.S b/arch/sparc/kernel/helpers.S
index 314dd0c9fc5b..92090cc9e829 100644
--- a/arch/sparc/kernel/helpers.S
+++ b/arch/sparc/kernel/helpers.S
@@ -46,6 +46,81 @@ stack_trace_flush:
          nop
         .size           stack_trace_flush,.-stack_trace_flush
 
+#ifdef CONFIG_PERF_EVENTS
+        .globl          perf_arch_fetch_caller_regs
+        .type           perf_arch_fetch_caller_regs,#function
+perf_arch_fetch_caller_regs:
+        /* We always read the %pstate into %o5 since we will use
+         * that to construct a fake %tstate to store into the regs.
+         */
+        rdpr            %pstate, %o5
+        brz,pn          %o2, 50f
+         mov            %o2, %g7
+
+        /* Turn off interrupts while we walk around the register
+         * window by hand.
+         */
+        wrpr            %o5, PSTATE_IE, %pstate
+
+        /* The %canrestore tells us how many register windows are
+         * still live in the chip above us, past that we have to
+         * walk the frame as saved on the stack.   We stash away
+         * the %cwp in %g1 so we can return back to the original
+         * register window.
+         */
+        rdpr            %cwp, %g1
+        rdpr            %canrestore, %g2
+        sub             %g1, 1, %g3
+
+        /* We have the skip count in %g7, if it hits zero then
+         * %fp/%i7 are the registers we need.  Otherwise if our
+         * %canrestore count maintained in %g2 hits zero we have
+         * to start traversing the stack.
+         */
+10:     brz,pn          %g2, 4f
+         sub            %g2, 1, %g2
+        wrpr            %g3, %cwp
+        subcc           %g7, 1, %g7
+        bne,pt          %xcc, 10b
+         sub            %g3, 1, %g3
+
+        /* We found the values we need in the cpu's register
+         * windows.
+         */
+        mov             %fp, %g3
+        ba,pt           %xcc, 3f
+         mov            %i7, %g2
+
+50:     mov             %fp, %g3
+        ba,pt           %xcc, 2f
+         mov            %i7, %g2
+
+        /* We hit the end of the valid register windows in the
+         * cpu, start traversing the stack frame.
+         */
+4:      mov             %fp, %g3
+
+20:     ldx             [%g3 + STACK_BIAS + RW_V9_I7], %g2
+        subcc           %g7, 1, %g7
+        bne,pn          %xcc, 20b
+         ldx            [%g3 + STACK_BIAS + RW_V9_I6], %g3
+
+        /* Restore the current register window position and
+         * re-enable interrupts.
+         */
+3:      wrpr            %g1, %cwp
+        wrpr            %o5, %pstate
+
+2:      stx             %g3, [%o0 + PT_V9_FP]
+        sllx            %o5, 8, %o5
+        stx             %o5, [%o0 + PT_V9_TSTATE]
+        stx             %g2, [%o0 + PT_V9_TPC]
+        add             %g2, 4, %g2
+        retl
+         stx            %g2, [%o0 + PT_V9_TNPC]
+        .size           perf_arch_fetch_caller_regs,.-perf_arch_fetch_caller_regs
+#endif /* CONFIG_PERF_EVENTS */
+
 #ifdef CONFIG_SMP
         .globl          hard_smp_processor_id
         .type           hard_smp_processor_id,#function
diff --git a/arch/sparc/kernel/ptrace_32.c b/arch/sparc/kernel/ptrace_32.c
index 7e3dfd9bb97e..e608f397e11f 100644
--- a/arch/sparc/kernel/ptrace_32.c
+++ b/arch/sparc/kernel/ptrace_32.c
@@ -65,6 +65,7 @@ static int genregs32_get(struct task_struct *target,
                         *k++ = regs->u_regs[pos++];
 
                 reg_window = (unsigned long __user *) regs->u_regs[UREG_I6];
+                reg_window -= 16;
                 for (; count > 0 && pos < 32; count--) {
                         if (get_user(*k++, &reg_window[pos++]))
                                 return -EFAULT;
@@ -76,6 +77,7 @@ static int genregs32_get(struct task_struct *target,
                 }
 
                 reg_window = (unsigned long __user *) regs->u_regs[UREG_I6];
+                reg_window -= 16;
                 for (; count > 0 && pos < 32; count--) {
                         if (get_user(reg, &reg_window[pos++]) ||
                             put_user(reg, u++))
@@ -141,6 +143,7 @@ static int genregs32_set(struct task_struct *target,
                         regs->u_regs[pos++] = *k++;
 
                 reg_window = (unsigned long __user *) regs->u_regs[UREG_I6];
+                reg_window -= 16;
                 for (; count > 0 && pos < 32; count--) {
                         if (put_user(*k++, &reg_window[pos++]))
                                 return -EFAULT;
@@ -153,6 +156,7 @@ static int genregs32_set(struct task_struct *target,
                 }
 
                 reg_window = (unsigned long __user *) regs->u_regs[UREG_I6];
+                reg_window -= 16;
                 for (; count > 0 && pos < 32; count--) {
                         if (get_user(reg, u++) ||
                             put_user(reg, &reg_window[pos++]))
diff --git a/arch/sparc/kernel/ptrace_64.c b/arch/sparc/kernel/ptrace_64.c
index 2f6524d1a817..aa90da08bf61 100644
--- a/arch/sparc/kernel/ptrace_64.c
+++ b/arch/sparc/kernel/ptrace_64.c
@@ -492,6 +492,7 @@ static int genregs32_get(struct task_struct *target,
                         *k++ = regs->u_regs[pos++];
 
                 reg_window = (compat_ulong_t __user *) regs->u_regs[UREG_I6];
+                reg_window -= 16;
                 if (target == current) {
                         for (; count > 0 && pos < 32; count--) {
                                 if (get_user(*k++, &reg_window[pos++]))
@@ -516,6 +517,7 @@ static int genregs32_get(struct task_struct *target,
                 }
 
                 reg_window = (compat_ulong_t __user *) regs->u_regs[UREG_I6];
+                reg_window -= 16;
                 if (target == current) {
                         for (; count > 0 && pos < 32; count--) {
                                 if (get_user(reg, &reg_window[pos++]) ||
@@ -599,6 +601,7 @@ static int genregs32_set(struct task_struct *target,
                         regs->u_regs[pos++] = *k++;
 
                 reg_window = (compat_ulong_t __user *) regs->u_regs[UREG_I6];
+                reg_window -= 16;
                 if (target == current) {
                         for (; count > 0 && pos < 32; count--) {
                                 if (put_user(*k++, &reg_window[pos++]))
@@ -625,6 +628,7 @@ static int genregs32_set(struct task_struct *target,
                 }
 
                 reg_window = (compat_ulong_t __user *) regs->u_regs[UREG_I6];
+                reg_window -= 16;
                 if (target == current) {
                         for (; count > 0 && pos < 32; count--) {
                                 if (get_user(reg, u++) ||
diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c
index aaebc4815044..b2831dc3c121 100644
--- a/arch/sparc/mm/init_64.c
+++ b/arch/sparc/mm/init_64.c
@@ -2117,7 +2117,7 @@ int __meminit vmemmap_populate(struct page *start, unsigned long nr, int node)
                                "node=%d entry=%lu/%lu\n", start, block, nr,
                                node,
                                addr >> VMEMMAP_CHUNK_SHIFT,
-                               VMEMMAP_SIZE >> VMEMMAP_CHUNK_SHIFT);
+                               VMEMMAP_SIZE);
                 }
         }
         return 0;