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path: root/drivers/soc/qcom/common_log.c
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Diffstat (limited to 'drivers/soc/qcom/common_log.c')
-rw-r--r--drivers/soc/qcom/common_log.c27
1 files changed, 27 insertions, 0 deletions
diff --git a/drivers/soc/qcom/common_log.c b/drivers/soc/qcom/common_log.c
index 1e8744b41e4c..11ca86a4ba41 100644
--- a/drivers/soc/qcom/common_log.c
+++ b/drivers/soc/qcom/common_log.c
@@ -18,6 +18,7 @@
#include <linux/slab.h>
#include <linux/kmemleak.h>
#include <linux/async.h>
+#include <linux/thread_info.h>
#include <soc/qcom/memory_dump.h>
#include <soc/qcom/minidump.h>
#include <asm/sections.h>
@@ -256,6 +257,32 @@ static void __init register_kernel_sections(void)
}
}
+#ifdef CONFIG_QCOM_MINIDUMP
+void dump_stack_minidump(u64 sp)
+{
+ struct md_region ksp_entry, ktsk_entry;
+ u32 cpu = smp_processor_id();
+
+ if (sp < KIMAGE_VADDR || sp > -256UL)
+ sp = current_stack_pointer;
+
+ sp &= ~(THREAD_SIZE - 1);
+ scnprintf(ksp_entry.name, sizeof(ksp_entry.name), "KSTACK%d", cpu);
+ ksp_entry.virt_addr = sp;
+ ksp_entry.phys_addr = virt_to_phys((uintptr_t *)sp);
+ ksp_entry.size = THREAD_SIZE;
+ if (msm_minidump_add_region(&ksp_entry))
+ pr_err("Failed to add stack of cpu %d in Minidump\n", cpu);
+
+ scnprintf(ktsk_entry.name, sizeof(ktsk_entry.name), "KTASK%d", cpu);
+ ktsk_entry.virt_addr = (u64)current;
+ ktsk_entry.phys_addr = virt_to_phys((uintptr_t *)current);
+ ktsk_entry.size = sizeof(struct task_struct);
+ if (msm_minidump_add_region(&ktsk_entry))
+ pr_err("Failed to add current task %d in Minidump\n", cpu);
+}
+#endif
+
static void __init async_common_log_init(void *data, async_cookie_t cookie)
{
register_kernel_sections();