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Diffstat (limited to 'arch/arm64/include/asm/processor.h')
-rw-r--r--arch/arm64/include/asm/processor.h15
1 files changed, 14 insertions, 1 deletions
diff --git a/arch/arm64/include/asm/processor.h b/arch/arm64/include/asm/processor.h
index 65ab83e8926e..a73ae1e49200 100644
--- a/arch/arm64/include/asm/processor.h
+++ b/arch/arm64/include/asm/processor.h
@@ -158,7 +158,9 @@ static inline void arch_thread_struct_whitelist(unsigned long *offset,
/* Sync TPIDR_EL0 back to thread_struct for current */
void tls_preserve_current_state(void);
-#define INIT_THREAD { }
+#define INIT_THREAD { \
+ .fpsimd_cpu = NR_CPUS, \
+}
static inline void start_thread_common(struct pt_regs *regs, unsigned long pc)
{
@@ -249,6 +251,17 @@ void cpu_clear_disr(const struct arm64_cpu_capabilities *__unused);
extern unsigned long __ro_after_init signal_minsigstksz; /* sigframe size */
extern void __init minsigstksz_setup(void);
+/*
+ * Not at the top of the file due to a direct #include cycle between
+ * <asm/fpsimd.h> and <asm/processor.h>. Deferring this #include
+ * ensures that contents of processor.h are visible to fpsimd.h even if
+ * processor.h is included first.
+ *
+ * These prctl helpers are the only things in this file that require
+ * fpsimd.h. The core code expects them to be in this header.
+ */
+#include <asm/fpsimd.h>
+
/* Userspace interface for PR_SVE_{SET,GET}_VL prctl()s: */
#define SVE_SET_VL(arg) sve_set_current_vl(arg)
#define SVE_GET_VL() sve_get_current_vl()