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authorJens Axboe <jens.axboe@oracle.com>2010-05-21 21:27:26 +0200
committerJens Axboe <jens.axboe@oracle.com>2010-05-21 21:27:26 +0200
commitee9a3607fb03e804ddf624544105f4e34260c380 (patch)
treece41b6e0fa10982a306f6c142a92dbf3c9961284 /arch/powerpc/kernel/setup_64.c
parentpipe: set lower and upper limit on max pages in the pipe page array (diff)
parentMerge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jac... (diff)
downloadlinux-ee9a3607fb03e804ddf624544105f4e34260c380.tar.xz
linux-ee9a3607fb03e804ddf624544105f4e34260c380.zip
Merge branch 'master' into for-2.6.35
Conflicts: fs/ext3/fsync.c Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'arch/powerpc/kernel/setup_64.c')
-rw-r--r--arch/powerpc/kernel/setup_64.c23
1 files changed, 13 insertions, 10 deletions
diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c
index 914389158a9b..f3fb5a79de52 100644
--- a/arch/powerpc/kernel/setup_64.c
+++ b/arch/powerpc/kernel/setup_64.c
@@ -424,9 +424,18 @@ void __init setup_system(void)
DBG(" <- setup_system()\n");
}
+static u64 slb0_limit(void)
+{
+ if (cpu_has_feature(CPU_FTR_1T_SEGMENT)) {
+ return 1UL << SID_SHIFT_1T;
+ }
+ return 1UL << SID_SHIFT;
+}
+
#ifdef CONFIG_IRQSTACKS
static void __init irqstack_early_init(void)
{
+ u64 limit = slb0_limit();
unsigned int i;
/*
@@ -436,10 +445,10 @@ static void __init irqstack_early_init(void)
for_each_possible_cpu(i) {
softirq_ctx[i] = (struct thread_info *)
__va(lmb_alloc_base(THREAD_SIZE,
- THREAD_SIZE, 0x10000000));
+ THREAD_SIZE, limit));
hardirq_ctx[i] = (struct thread_info *)
__va(lmb_alloc_base(THREAD_SIZE,
- THREAD_SIZE, 0x10000000));
+ THREAD_SIZE, limit));
}
}
#else
@@ -470,7 +479,7 @@ static void __init exc_lvl_early_init(void)
*/
static void __init emergency_stack_init(void)
{
- unsigned long limit;
+ u64 limit;
unsigned int i;
/*
@@ -482,7 +491,7 @@ static void __init emergency_stack_init(void)
* bringup, we need to get at them in real mode. This means they
* must also be within the RMO region.
*/
- limit = min(0x10000000ULL, lmb.rmo_size);
+ limit = min(slb0_limit(), lmb.rmo_size);
for_each_possible_cpu(i) {
unsigned long sp;
@@ -573,12 +582,6 @@ void ppc64_boot_msg(unsigned int src, const char *msg)
printk("[boot]%04x %s\n", src, msg);
}
-void cpu_die(void)
-{
- if (ppc_md.cpu_die)
- ppc_md.cpu_die();
-}
-
#ifdef CONFIG_SMP
#define PCPU_DYN_SIZE ()