summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2010-11-18 07:38:58 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2010-11-18 07:38:58 -0800
commit70b99eff756e8995b607a9d33f242c1e4f480f32 (patch)
tree23b62ad71f77f9cb44622d0be55ff3e4f7e55a00
parent0a5b871ea4c6bfb2723ac2ffc7ef5c32452abb89 (diff)
parent0f6b77ca12bea571e0a97b0588f62aa5f6012d61 (diff)
downloadlinux-70b99eff756e8995b607a9d33f242c1e4f480f32.tar.bz2
Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: powerpc: Update a BKL related comment powerpc/mm: Fix module instruction tlb fault handling on Book-E 64 powerpc: Fix call to subpage_protection() powerpc: Set CONFIG_32BIT on ppc32 powerpc/mm: Fix build error in setup_initial_memory_limit powerpc/pseries: Don't override CONFIG_PPC_PSERIES_DEBUG powerpc: Fix div64 in bootloader
-rw-r--r--arch/powerpc/Kconfig4
-rw-r--r--arch/powerpc/boot/div64.S3
-rw-r--r--arch/powerpc/kernel/setup_64.c5
-rw-r--r--arch/powerpc/mm/hash_utils_64.c2
-rw-r--r--arch/powerpc/mm/tlb_low_64e.S5
-rw-r--r--arch/powerpc/mm/tlb_nohash.c2
-rw-r--r--arch/powerpc/platforms/pseries/Kconfig6
-rw-r--r--arch/powerpc/platforms/pseries/eeh.c2
-rw-r--r--arch/powerpc/platforms/pseries/pci_dlpar.c2
9 files changed, 20 insertions, 11 deletions
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index b6447190e1a2..e625e9e034ae 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -4,6 +4,10 @@ config PPC32
bool
default y if !PPC64
+config 32BIT
+ bool
+ default y if PPC32
+
config 64BIT
bool
default y if PPC64
diff --git a/arch/powerpc/boot/div64.S b/arch/powerpc/boot/div64.S
index 722f360a32a9..d271ab542673 100644
--- a/arch/powerpc/boot/div64.S
+++ b/arch/powerpc/boot/div64.S
@@ -33,9 +33,10 @@ __div64_32:
cntlzw r0,r5 # we are shifting the dividend right
li r10,-1 # to make it < 2^32, and shifting
srw r10,r10,r0 # the divisor right the same amount,
- add r9,r4,r10 # rounding up (so the estimate cannot
+ addc r9,r4,r10 # rounding up (so the estimate cannot
andc r11,r6,r10 # ever be too large, only too small)
andc r9,r9,r10
+ addze r9,r9
or r11,r5,r11
rotlw r9,r9,r0
rotlw r11,r11,r0
diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c
index 2a178b0ebcdf..ce6f61c6f871 100644
--- a/arch/powerpc/kernel/setup_64.c
+++ b/arch/powerpc/kernel/setup_64.c
@@ -497,9 +497,8 @@ static void __init emergency_stack_init(void)
}
/*
- * Called into from start_kernel, after lock_kernel has been called.
- * Initializes bootmem, which is unsed to manage page allocation until
- * mem_init is called.
+ * Called into from start_kernel this initializes bootmem, which is used
+ * to manage page allocation until mem_init is called.
*/
void __init setup_arch(char **cmdline_p)
{
diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c
index 83f534d862db..5e9584405c45 100644
--- a/arch/powerpc/mm/hash_utils_64.c
+++ b/arch/powerpc/mm/hash_utils_64.c
@@ -1123,7 +1123,7 @@ void hash_preload(struct mm_struct *mm, unsigned long ea,
else
#endif /* CONFIG_PPC_HAS_HASH_64K */
rc = __hash_page_4K(ea, access, vsid, ptep, trap, local, ssize,
- subpage_protection(pgdir, ea));
+ subpage_protection(mm, ea));
/* Dump some info in case of hash insertion failure, they should
* never happen so it is really useful to know if/when they do
diff --git a/arch/powerpc/mm/tlb_low_64e.S b/arch/powerpc/mm/tlb_low_64e.S
index 8b04c54e596f..8526bd9d2aa3 100644
--- a/arch/powerpc/mm/tlb_low_64e.S
+++ b/arch/powerpc/mm/tlb_low_64e.S
@@ -138,8 +138,11 @@
cmpldi cr0,r15,0 /* Check for user region */
std r14,EX_TLB_ESR(r12) /* write crazy -1 to frame */
beq normal_tlb_miss
+
+ li r11,_PAGE_PRESENT|_PAGE_BAP_SX /* Base perm */
+ oris r11,r11,_PAGE_ACCESSED@h
/* XXX replace the RMW cycles with immediate loads + writes */
-1: mfspr r10,SPRN_MAS1
+ mfspr r10,SPRN_MAS1
cmpldi cr0,r15,8 /* Check for vmalloc region */
rlwinm r10,r10,0,16,1 /* Clear TID */
mtspr SPRN_MAS1,r10
diff --git a/arch/powerpc/mm/tlb_nohash.c b/arch/powerpc/mm/tlb_nohash.c
index 36c0c449a899..2a030d89bbc6 100644
--- a/arch/powerpc/mm/tlb_nohash.c
+++ b/arch/powerpc/mm/tlb_nohash.c
@@ -585,6 +585,6 @@ void setup_initial_memory_limit(phys_addr_t first_memblock_base,
ppc64_rma_size = min_t(u64, first_memblock_size, 0x40000000);
/* Finally limit subsequent allocations */
- memblock_set_current_limit(ppc64_memblock_base + ppc64_rma_size);
+ memblock_set_current_limit(first_memblock_base + ppc64_rma_size);
}
#endif /* CONFIG_PPC64 */
diff --git a/arch/powerpc/platforms/pseries/Kconfig b/arch/powerpc/platforms/pseries/Kconfig
index c667f0f02c34..3139814f6439 100644
--- a/arch/powerpc/platforms/pseries/Kconfig
+++ b/arch/powerpc/platforms/pseries/Kconfig
@@ -47,6 +47,12 @@ config LPARCFG
config PPC_PSERIES_DEBUG
depends on PPC_PSERIES && PPC_EARLY_DEBUG
bool "Enable extra debug logging in platforms/pseries"
+ help
+ Say Y here if you want the pseries core to produce a bunch of
+ debug messages to the system log. Select this if you are having a
+ problem with the pseries core and want to see more of what is
+ going on. This does not enable debugging in lpar.c, which must
+ be manually done due to its verbosity.
default y
config PPC_SMLPAR
diff --git a/arch/powerpc/platforms/pseries/eeh.c b/arch/powerpc/platforms/pseries/eeh.c
index 34b7dc12e731..17a11c82e6f8 100644
--- a/arch/powerpc/platforms/pseries/eeh.c
+++ b/arch/powerpc/platforms/pseries/eeh.c
@@ -21,8 +21,6 @@
* Please address comments and feedback to Linas Vepstas <linas@austin.ibm.com>
*/
-#undef DEBUG
-
#include <linux/delay.h>
#include <linux/init.h>
#include <linux/list.h>
diff --git a/arch/powerpc/platforms/pseries/pci_dlpar.c b/arch/powerpc/platforms/pseries/pci_dlpar.c
index 4b7a062dee15..5fcc92a12d3e 100644
--- a/arch/powerpc/platforms/pseries/pci_dlpar.c
+++ b/arch/powerpc/platforms/pseries/pci_dlpar.c
@@ -25,8 +25,6 @@
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
-#undef DEBUG
-
#include <linux/pci.h>
#include <asm/pci-bridge.h>
#include <asm/ppc-pci.h>