Merge master.kernel.org:/pub/scm/linux/kernel/git/lenb/to-linus

diff --git a/Documentation/fb/vesafb.txt b/Documentation/fb/vesafb.txt
index 814e2f56a6ad35ce367e2d542769664c8b6641f3..62db6758d1c1050db42b638ad4d42dc06809c68b 100644 (file)
--- a/Documentation/fb/vesafb.txt
+++ b/Documentation/fb/vesafb.txt
@@ -144,7 +144,21 @@ vgapal     Use the standard vga registers for palette changes.
        This is the default.
 pmipal Use the protected mode interface for palette changes.
 
-mtrr   setup memory type range registers for the vesafb framebuffer.
+mtrr:n setup memory type range registers for the vesafb framebuffer
+       where n:
+             0 - disabled (equivalent to nomtrr)
+             1 - uncachable
+             2 - write-back
+             3 - write-combining (default)
+             4 - write-through
+
+       If you see the following in dmesg, choose the type that matches the
+       old one. In this example, use "mtrr:2".
+...
+mtrr: type mismatch for e0000000,8000000 old: write-back new: write-combining
+...
+
+nomtrr  disable mtrr
 
 vremap:n
         remap 'n' MiB of video RAM. If 0 or not specified, remap memory

diff --git a/arch/ppc/kernel/head_44x.S b/arch/ppc/kernel/head_44x.S
index 6c7ae6052464f3d28f7cc754487e8aaa6fba1361..72ee8f33bde465471f9dd90b5341d7cc4d1aea6d 100644 (file)
--- a/arch/ppc/kernel/head_44x.S
+++ b/arch/ppc/kernel/head_44x.S
@@ -179,14 +179,14 @@ skpinv:   addi    r4,r4,1                         /* Increment */
 4:
 #ifdef CONFIG_SERIAL_TEXT_DEBUG
        /*
-        * Add temporary UART mapping for early debug.  This
-        * mapping must be identical to that used by the early
-        * bootloader code since the same asm/serial.h parameters
-        * are used for polled operation.
+        * Add temporary UART mapping for early debug.
+        * We can map UART registers wherever we want as long as they don't
+        * interfere with other system mappings (e.g. with pinned entries).
+        * For an example of how we handle this - see ocotea.h.       --ebs
         */
        /* pageid fields */
        lis     r3,UART0_IO_BASE@h
-       ori     r3,r3,PPC44x_TLB_VALID | PPC44x_TLB_256M
+       ori     r3,r3,PPC44x_TLB_VALID | PPC44x_TLB_4K
 
        /* xlat fields */
        lis     r4,UART0_PHYS_IO_BASE@h         /* RPN depends on SoC */
@@ -196,7 +196,7 @@ skpinv:     addi    r4,r4,1                         /* Increment */
        li      r5,0
        ori     r5,r5,(PPC44x_TLB_SW | PPC44x_TLB_SR | PPC44x_TLB_I | PPC44x_TLB_G)
 
-        li      r0,1                    /* TLB slot 1 */
+        li      r0,0                    /* TLB slot 0 */
 
        tlbwe   r3,r0,PPC44x_TLB_PAGEID /* Load the pageid fields */
        tlbwe   r4,r0,PPC44x_TLB_XLAT   /* Load the translation fields */

diff --git a/arch/ppc/kernel/misc.S b/arch/ppc/kernel/misc.S
index 191a8def3bdba1c9b7739cbde931322838daaf0c..c2fb85b49a11ae1a1f2f319478d96dffbdbee1f7 100644 (file)
--- a/arch/ppc/kernel/misc.S
+++ b/arch/ppc/kernel/misc.S
@@ -1451,3 +1451,6 @@ _GLOBAL(sys_call_table)
        .long sys_waitid
        .long sys_ioprio_set
        .long sys_ioprio_get
+       .long sys_inotify_init          /* 275 */
+       .long sys_inotify_add_watch
+       .long sys_inotify_rm_watch

diff --git a/arch/ppc/platforms/4xx/ebony.c b/arch/ppc/platforms/4xx/ebony.c
index cd11734ef7c504a0e34cf190ab4f436e61e7ccf6..509e69a095f0a43b2ff4069b7995f121bb76e77f 100644 (file)
--- a/arch/ppc/platforms/4xx/ebony.c
+++ b/arch/ppc/platforms/4xx/ebony.c
@@ -7,7 +7,7 @@
  * Copyright 2002-2005 MontaVista Software Inc.
  *
  * Eugene Surovegin <eugene.surovegin@zultys.com> or <ebs@ebshome.net>
- * Copyright (c) 2003, 2004 Zultys Technologies
+ * Copyright (c) 2003-2005 Zultys Technologies
  *
  * This program is free software; you can redistribute  it and/or modify it
  * under  the terms of  the GNU General  Public License as published by the
@@ -50,6 +50,7 @@
 #include <asm/bootinfo.h>
 #include <asm/ppc4xx_pic.h>
 #include <asm/ppcboot.h>
+#include <asm/tlbflush.h>
 
 #include <syslib/gen550.h>
 #include <syslib/ibm440gp_common.h>
@@ -248,6 +249,9 @@ ebony_early_serial_map(void)
 #if defined(CONFIG_SERIAL_TEXT_DEBUG) || defined(CONFIG_KGDB)
        /* Configure debug serial access */
        gen550_init(0, &port);
+
+       /* Purge TLB entry added in head_44x.S for early serial access */
+       _tlbie(UART0_IO_BASE);
 #endif
 
        port.membase = ioremap64(PPC440GP_UART1_ADDR, 8);

diff --git a/arch/ppc/platforms/4xx/ebony.h b/arch/ppc/platforms/4xx/ebony.h
index 47c391c9174d158a72aa615750b78c49d9cf6d17..d08faa46a0aef5b9e5e49a1761145ddaec9e175a 100644 (file)
--- a/arch/ppc/platforms/4xx/ebony.h
+++ b/arch/ppc/platforms/4xx/ebony.h
@@ -56,9 +56,18 @@
  * Serial port defines
  */
 
-/* OpenBIOS defined UART mappings, used before early_serial_setup */
+#if defined(__BOOTER__)
+/* OpenBIOS defined UART mappings, used by bootloader shim */
 #define UART0_IO_BASE  0xE0000200
 #define UART1_IO_BASE  0xE0000300
+#else
+/* head_44x.S created UART mapping, used before early_serial_setup.
+ * We cannot use default OpenBIOS UART mappings because they
+ * don't work for configurations with more than 512M RAM.    --ebs
+ */
+#define UART0_IO_BASE  0xF0000200
+#define UART1_IO_BASE  0xF0000300
+#endif
 
 /* external Epson SG-615P */
 #define BASE_BAUD      691200
@@ -66,7 +75,7 @@
 #define STD_UART_OP(num)                                       \
        { 0, BASE_BAUD, 0, UART##num##_INT,                     \
                (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST),        \
-               iomem_base: UART##num##_IO_BASE,                \
+               iomem_base: (void*)UART##num##_IO_BASE,         \
                io_type: SERIAL_IO_MEM},
 
 #define SERIAL_PORT_DFNS       \

diff --git a/arch/ppc/platforms/4xx/ocotea.c b/arch/ppc/platforms/4xx/ocotea.c
index 5f82a6bc7046b3c0dcb4d93eb9cb2e817a4158b7..8fc34a3447694afc2ebb95c3f5d60357c29fbb7a 100644 (file)
--- a/arch/ppc/platforms/4xx/ocotea.c
+++ b/arch/ppc/platforms/4xx/ocotea.c
@@ -48,6 +48,7 @@
 #include <asm/bootinfo.h>
 #include <asm/ppc4xx_pic.h>
 #include <asm/ppcboot.h>
+#include <asm/tlbflush.h>
 
 #include <syslib/gen550.h>
 #include <syslib/ibm440gx_common.h>
@@ -266,6 +267,9 @@ ocotea_early_serial_map(void)
 #if defined(CONFIG_SERIAL_TEXT_DEBUG) || defined(CONFIG_KGDB)
        /* Configure debug serial access */
        gen550_init(0, &port);
+
+       /* Purge TLB entry added in head_44x.S for early serial access */
+       _tlbie(UART0_IO_BASE);
 #endif
 
        port.membase = ioremap64(PPC440GX_UART1_ADDR, 8);

diff --git a/arch/ppc/platforms/4xx/ocotea.h b/arch/ppc/platforms/4xx/ocotea.h
index 202dc8251190869c4e5d4dee47c9020b52230463..33251153ac5fff23187de3ecc48d6ec7e5c1f844 100644 (file)
--- a/arch/ppc/platforms/4xx/ocotea.h
+++ b/arch/ppc/platforms/4xx/ocotea.h
@@ -55,15 +55,24 @@
  */
 #define RS_TABLE_SIZE  2
 
-/* OpenBIOS defined UART mappings, used before early_serial_setup */
+#if defined(__BOOTER__)
+/* OpenBIOS defined UART mappings, used by bootloader shim */
 #define UART0_IO_BASE  0xE0000200
 #define UART1_IO_BASE  0xE0000300
+#else
+/* head_44x.S created UART mapping, used before early_serial_setup.
+ * We cannot use default OpenBIOS UART mappings because they
+ * don't work for configurations with more than 512M RAM.    --ebs
+ */
+#define UART0_IO_BASE  0xF0000200
+#define UART1_IO_BASE  0xF0000300
+#endif
 
 #define BASE_BAUD      11059200/16
 #define STD_UART_OP(num)                                       \
        { 0, BASE_BAUD, 0, UART##num##_INT,                     \
                (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST),        \
-               iomem_base: UART##num##_IO_BASE,                \
+               iomem_base: (void*)UART##num##_IO_BASE,         \
                io_type: SERIAL_IO_MEM},
 
 #define SERIAL_PORT_DFNS       \

diff --git a/arch/ppc64/kernel/misc.S b/arch/ppc64/kernel/misc.S
index 59f4f99738189f5b2078eee806d0b46a06ba78bb..a05b50b738e97b1c55ff1eb8013ae24d6abd929d 100644 (file)
--- a/arch/ppc64/kernel/misc.S
+++ b/arch/ppc64/kernel/misc.S
@@ -1129,6 +1129,9 @@ _GLOBAL(sys_call_table32)
        .llong .compat_sys_waitid
        .llong .sys32_ioprio_set
        .llong .sys32_ioprio_get
+       .llong .sys_inotify_init        /* 275 */
+       .llong .sys_inotify_add_watch
+       .llong .sys_inotify_rm_watch
 
        .balign 8
 _GLOBAL(sys_call_table)
@@ -1407,3 +1410,6 @@ _GLOBAL(sys_call_table)
        .llong .sys_waitid
        .llong .sys_ioprio_set
        .llong .sys_ioprio_get
+       .llong .sys_inotify_init        /* 275 */
+       .llong .sys_inotify_add_watch
+       .llong .sys_inotify_rm_watch

diff --git a/arch/x86_64/lib/csum-copy.S b/arch/x86_64/lib/csum-copy.S
index 01808ec378363eefc1314281fb72563c929f5699..72fd55ee896ee1c4bd7064dc588573c7926e63d8 100644 (file)
--- a/arch/x86_64/lib/csum-copy.S
+++ b/arch/x86_64/lib/csum-copy.S
@@ -188,8 +188,8 @@ csum_partial_copy_generic:
        source
        movw (%rdi),%bx
        adcl %ebx,%eax
-       dest
        decl %ecx
+       dest
        movw %bx,(%rsi)
        leaq 2(%rdi),%rdi
        leaq 2(%rsi),%rsi

diff --git a/include/asm-ppc/unistd.h b/include/asm-ppc/unistd.h
index a7894e0fbbb1a8d1e7f7719a2b7d4fda940ef263..3173ab3d2eb9a477af7b308db22ce82b0d3d0421 100644 (file)
--- a/include/asm-ppc/unistd.h
+++ b/include/asm-ppc/unistd.h
@@ -279,8 +279,11 @@
 #define __NR_waitid            272
 #define __NR_ioprio_set                273
 #define __NR_ioprio_get                274
+#define __NR_inotify_init      275
+#define __NR_inotify_add_watch 276
+#define __NR_inotify_rm_watch  277
 
-#define __NR_syscalls          275
+#define __NR_syscalls          278
 
 #define __NR(n)        #n
 

diff --git a/include/asm-ppc64/unistd.h b/include/asm-ppc64/unistd.h
index 4a94acf6bfedd52c403b56b3ac1eb1fa99d415a3..977bc980c1af641681a1283df2094e9ea4733734 100644 (file)
--- a/include/asm-ppc64/unistd.h
+++ b/include/asm-ppc64/unistd.h
@@ -285,8 +285,11 @@
 #define __NR_waitid            272
 #define __NR_ioprio_set                273
 #define __NR_ioprio_get                274
+#define __NR_inotify_init      275
+#define __NR_inotify_add_watch 276
+#define __NR_inotify_rm_watch  277
 
-#define __NR_syscalls          275
+#define __NR_syscalls          278
 #ifdef __KERNEL__
 #define NR_syscalls    __NR_syscalls
 #endif

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 42bccfb8464d1421d721e3a108c439ccd36b1983..8d088371196a559b5baa5a8dc02e2d07253fd50c 100644 (file)
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -1061,20 +1061,19 @@ unsigned int nr_free_pages_pgdat(pg_data_t *pgdat)
 
 static unsigned int nr_free_zone_pages(int offset)
 {
-       pg_data_t *pgdat;
+       /* Just pick one node, since fallback list is circular */
+       pg_data_t *pgdat = NODE_DATA(numa_node_id());
        unsigned int sum = 0;
 
-       for_each_pgdat(pgdat) {
-               struct zonelist *zonelist = pgdat->node_zonelists + offset;
-               struct zone **zonep = zonelist->zones;
-               struct zone *zone;
+       struct zonelist *zonelist = pgdat->node_zonelists + offset;
+       struct zone **zonep = zonelist->zones;
+       struct zone *zone;
 
-               for (zone = *zonep++; zone; zone = *zonep++) {
-                       unsigned long size = zone->present_pages;
-                       unsigned long high = zone->pages_high;
-                       if (size > high)
-                               sum += size - high;
-               }
+       for (zone = *zonep++; zone; zone = *zonep++) {
+               unsigned long size = zone->present_pages;
+               unsigned long high = zone->pages_high;
+               if (size > high)
+                       sum += size - high;
        }
 
        return sum;