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OpenCloudOS-Kernel
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Merge branch 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6 

* 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6:
  [S390] allow setting of upper 32 bit in smp_ctl_set_bit
  [S390] hwsampler: Set a sane default sampling rate
  [S390] s390: enforce HW limits for the initial sampling rate
  [S390] kvm-s390: fix kconfig dependencies
This commit is contained in:
Linus Torvalds 2011-06-27 08:57:46 -07:00
parent 258e43fdb0 859c965149
commit 9c317b3bed
3 changed files with 10 additions and 3 deletions
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1
arch/s390/Kconfig
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@ -579,6 +579,7 @@ config S390_GUEST
def_bool y
prompt "s390 guest support for KVM (EXPERIMENTAL)"
depends on 64BIT && EXPERIMENTAL
select VIRTUALIZATION
select VIRTIO
select VIRTIO_RING
select VIRTIO_CONSOLE

4
arch/s390/kernel/smp.c
View File

@ -262,7 +262,7 @@ void smp_ctl_set_bit(int cr, int bit)
memset(&parms.orvals, 0, sizeof(parms.orvals));
memset(&parms.andvals, 0xff, sizeof(parms.andvals));
parms.orvals[cr] = 1 << bit;
parms.orvals[cr] = 1UL << bit;
on_each_cpu(smp_ctl_bit_callback, &parms, 1);
}
EXPORT_SYMBOL(smp_ctl_set_bit);
@ -276,7 +276,7 @@ void smp_ctl_clear_bit(int cr, int bit)
memset(&parms.orvals, 0, sizeof(parms.orvals));
memset(&parms.andvals, 0xff, sizeof(parms.andvals));
parms.andvals[cr] = ~(1L << bit);
parms.andvals[cr] = ~(1UL << bit);
on_each_cpu(smp_ctl_bit_callback, &parms, 1);
}
EXPORT_SYMBOL(smp_ctl_clear_bit);

8
arch/s390/oprofile/init.c
View File

@ -25,7 +25,7 @@ extern void s390_backtrace(struct pt_regs * const regs, unsigned int depth);
#include "hwsampler.h"
#define DEFAULT_INTERVAL 4096
#define DEFAULT_INTERVAL 4127518
#define DEFAULT_SDBT_BLOCKS 1
#define DEFAULT_SDB_BLOCKS 511
@ -151,6 +151,12 @@ static int oprofile_hwsampler_init(struct oprofile_operations *ops)
if (oprofile_max_interval == 0)
return -ENODEV;
/* The initial value should be sane */
if (oprofile_hw_interval < oprofile_min_interval)
oprofile_hw_interval = oprofile_min_interval;
if (oprofile_hw_interval > oprofile_max_interval)
oprofile_hw_interval = oprofile_max_interval;
if (oprofile_timer_init(ops))
return -ENODEV;