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| author | Anton Blanchard <anton@samba.org> | 2010-01-04 15:26:33 +0000 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2010-01-15 13:20:07 +1100 |
| commit | 92cb3694dd8da8769f9415790e169b9cf3a16fcb (patch) | |
| tree | 8098b4b455879b4aa61cd9d8c7961e723c37d031 /arch/powerpc | |
| parent | e443ed35606cf921cbf9d6949010a5b36bbe747d (diff) | |
| download | kernel_samsung_smdk4412-92cb3694dd8da8769f9415790e169b9cf3a16fcb.zip kernel_samsung_smdk4412-92cb3694dd8da8769f9415790e169b9cf3a16fcb.tar.gz kernel_samsung_smdk4412-92cb3694dd8da8769f9415790e169b9cf3a16fcb.tar.bz2 | |
powerpc/pseries: Fix xics interrupt affinity
Commit 57b150cce8e004ddd36330490a68bfb59b7271e9 (irq: only update affinity if
->set_affinity() is sucessfull) broke xics irq affinity.
We need to use the cpumask passed in, instead of accessing ->affinity directly.
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc')
| -rw-r--r-- | arch/powerpc/platforms/pseries/xics.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/arch/powerpc/platforms/pseries/xics.c b/arch/powerpc/platforms/pseries/xics.c index b9b9e11..d80f193c 100644 --- a/arch/powerpc/platforms/pseries/xics.c +++ b/arch/powerpc/platforms/pseries/xics.c @@ -163,14 +163,13 @@ static inline void lpar_qirr_info(int n_cpu , u8 value) /* Interface to generic irq subsystem */ #ifdef CONFIG_SMP -static int get_irq_server(unsigned int virq, unsigned int strict_check) +static int get_irq_server(unsigned int virq, cpumask_t cpumask, + unsigned int strict_check) { int server; /* For the moment only implement delivery to all cpus or one cpu */ - cpumask_t cpumask; cpumask_t tmp = CPU_MASK_NONE; - cpumask_copy(&cpumask, irq_to_desc(virq)->affinity); if (!distribute_irqs) return default_server; @@ -192,7 +191,8 @@ static int get_irq_server(unsigned int virq, unsigned int strict_check) return default_server; } #else -static int get_irq_server(unsigned int virq, unsigned int strict_check) +static int get_irq_server(unsigned int virq, cpumask_t cpumask, + unsigned int strict_check) { return default_server; } @@ -211,7 +211,7 @@ static void xics_unmask_irq(unsigned int virq) if (irq == XICS_IPI || irq == XICS_IRQ_SPURIOUS) return; - server = get_irq_server(virq, 0); + server = get_irq_server(virq, *(irq_to_desc(virq)->affinity), 0); call_status = rtas_call(ibm_set_xive, 3, 1, NULL, irq, server, DEFAULT_PRIORITY); @@ -405,7 +405,7 @@ static int xics_set_affinity(unsigned int virq, const struct cpumask *cpumask) * For the moment only implement delivery to all cpus or one cpu. * Get current irq_server for the given irq */ - irq_server = get_irq_server(virq, 1); + irq_server = get_irq_server(virq, *cpumask, 1); if (irq_server == -1) { char cpulist[128]; cpumask_scnprintf(cpulist, sizeof(cpulist), cpumask); |