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authorLinus Torvalds <torvalds@linux-foundation.org>2018-04-12 11:04:35 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2018-04-12 11:04:35 -0700
commit67a7a8fff8aef69579cd4426dca1ccb865b93167 (patch)
tree9645828a5a4c73d66defd863654c9c1893e6ff01 /drivers/acpi
parentc5c177c5fd952720d6b659f596d6eb9be59c9000 (diff)
parenta5a18ae73bcac37010a7b37e942add0f25b9d503 (diff)
Merge tag 'for-linus-4.17-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen fixes from Juergen Gross: "A few fixes of Xen related core code and drivers" * tag 'for-linus-4.17-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip: xen/pvh: Indicate XENFEAT_linux_rsdp_unrestricted to Xen xen/acpi: off by one in read_acpi_id() xen/acpi: upload _PSD info for non Dom0 CPUs too x86/xen: Delay get_cpu_cap until stack canary is established xen: xenbus_dev_frontend: Verify body of XS_TRANSACTION_END xen: xenbus: Catch closing of non existent transactions xen: xenbus_dev_frontend: Fix XS_TRANSACTION_END handling
Diffstat (limited to 'drivers/acpi')
-rw-r--r--drivers/acpi/processor_perflib.c11
1 files changed, 5 insertions, 6 deletions
diff --git a/drivers/acpi/processor_perflib.c b/drivers/acpi/processor_perflib.c
index c7cf48ad5cb9..a651ab3490d8 100644
--- a/drivers/acpi/processor_perflib.c
+++ b/drivers/acpi/processor_perflib.c
@@ -533,7 +533,7 @@ int acpi_processor_notify_smm(struct module *calling_module)
EXPORT_SYMBOL(acpi_processor_notify_smm);
-static int acpi_processor_get_psd(struct acpi_processor *pr)
+int acpi_processor_get_psd(acpi_handle handle, struct acpi_psd_package *pdomain)
{
int result = 0;
acpi_status status = AE_OK;
@@ -541,9 +541,8 @@ static int acpi_processor_get_psd(struct acpi_processor *pr)
struct acpi_buffer format = {sizeof("NNNNN"), "NNNNN"};
struct acpi_buffer state = {0, NULL};
union acpi_object *psd = NULL;
- struct acpi_psd_package *pdomain;
- status = acpi_evaluate_object(pr->handle, "_PSD", NULL, &buffer);
+ status = acpi_evaluate_object(handle, "_PSD", NULL, &buffer);
if (ACPI_FAILURE(status)) {
return -ENODEV;
}
@@ -561,8 +560,6 @@ static int acpi_processor_get_psd(struct acpi_processor *pr)
goto end;
}
- pdomain = &(pr->performance->domain_info);
-
state.length = sizeof(struct acpi_psd_package);
state.pointer = pdomain;
@@ -597,6 +594,7 @@ end:
kfree(buffer.pointer);
return result;
}
+EXPORT_SYMBOL(acpi_processor_get_psd);
int acpi_processor_preregister_performance(
struct acpi_processor_performance __percpu *performance)
@@ -645,7 +643,8 @@ int acpi_processor_preregister_performance(
pr->performance = per_cpu_ptr(performance, i);
cpumask_set_cpu(i, pr->performance->shared_cpu_map);
- if (acpi_processor_get_psd(pr)) {
+ pdomain = &(pr->performance->domain_info);
+ if (acpi_processor_get_psd(pr->handle, pdomain)) {
retval = -EINVAL;
continue;
}