diff options
| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-02-25 20:41:34 +0000 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-02-25 20:41:34 +0000 |
| commit | 2a2d10f386c1bacabe1a530c06dc8488eac419e5 (patch) | |
| tree | 4606a4a3bafa42a8aa70e001d35883956a0f0589 /arch/powerpc/platforms/pseries/xics.c | |
| parent | 2f68ffd11aa76b251921976c982b814df9ebe890 (diff) | |
| parent | c499546f43f2c31b681271ef7db922839fcde5fe (diff) | |
Merge branch 'for-rmk' of git://git.marvell.com/orion into devel-stable
Diffstat (limited to 'arch/powerpc/platforms/pseries/xics.c')
| -rw-r--r-- | arch/powerpc/platforms/pseries/xics.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/arch/powerpc/platforms/pseries/xics.c b/arch/powerpc/platforms/pseries/xics.c index 1ee66db003be..f5f79196721c 100644 --- a/arch/powerpc/platforms/pseries/xics.c +++ b/arch/powerpc/platforms/pseries/xics.c @@ -784,9 +784,13 @@ static void xics_set_cpu_priority(unsigned char cppr) { struct xics_cppr *os_cppr = &__get_cpu_var(xics_cppr); - BUG_ON(os_cppr->index != 0); + /* + * we only really want to set the priority when there's + * just one cppr value on the stack + */ + WARN_ON(os_cppr->index != 0); - os_cppr->stack[os_cppr->index] = cppr; + os_cppr->stack[0] = cppr; if (firmware_has_feature(FW_FEATURE_LPAR)) lpar_cppr_info(cppr); @@ -821,8 +825,14 @@ void xics_setup_cpu(void) void xics_teardown_cpu(void) { + struct xics_cppr *os_cppr = &__get_cpu_var(xics_cppr); int cpu = smp_processor_id(); + /* + * we have to reset the cppr index to 0 because we're + * not going to return from the IPI + */ + os_cppr->index = 0; xics_set_cpu_priority(0); /* Clear any pending IPI request */ |