select IOMMU_HELPER if PPC64
select IRQ_DOMAIN
select IRQ_FORCED_THREADING
+ select KASAN_VMALLOC if KASAN && MODULES
select MMU_GATHER_PAGE_SIZE
select MMU_GATHER_RCU_TABLE_FREE
+ select MMU_GATHER_MERGE_VMAS
select MODULES_USE_ELF_RELA
select NEED_DMA_MAP_STATE if PPC64 || NOT_COHERENT_CACHE
select NEED_PER_CPU_EMBED_FIRST_CHUNK if PPC64
#ifndef _ASM_POWERPC_ARCHRANDOM_H
#define _ASM_POWERPC_ARCHRANDOM_H
-#ifdef CONFIG_ARCH_RANDOM
-
#include <asm/machdep.h>
-static inline bool __must_check arch_get_random_long(unsigned long *v)
-{
- return false;
-}
-
-static inline bool __must_check arch_get_random_int(unsigned int *v)
-{
- return false;
-}
-
-static inline bool __must_check arch_get_random_seed_long(unsigned long *v)
+static inline size_t __must_check arch_get_random_longs(unsigned long *v, size_t max_longs)
{
- if (ppc_md.get_random_seed)
- return ppc_md.get_random_seed(v);
-
- return false;
+ return 0;
}
-static inline bool __must_check arch_get_random_seed_int(unsigned int *v)
+static inline size_t __must_check arch_get_random_seed_longs(unsigned long *v, size_t max_longs)
{
- unsigned long val;
- bool rc;
-
- rc = arch_get_random_seed_long(&val);
- if (rc)
- *v = val;
-
- return rc;
+ if (max_longs && ppc_md.get_random_seed && ppc_md.get_random_seed(v))
+ return 1;
+ return 0;
}
-#endif /* CONFIG_ARCH_RANDOM */
#ifdef CONFIG_PPC_POWERNV
- int powernv_hwrng_present(void);
- int powernv_get_random_long(unsigned long *v);
- int powernv_get_random_real_mode(unsigned long *v);
- #else
- static inline int powernv_hwrng_present(void) { return 0; }
- static inline int powernv_get_random_real_mode(unsigned long *v) { return 0; }
+ int pnv_get_random_long(unsigned long *v);
#endif
#endif /* _ASM_POWERPC_ARCHRANDOM_H */
"r11", "r12"
);
}
+#endif
- static __always_inline void call_do_irq(struct pt_regs *regs, void *sp)
- {
- register unsigned long r3 asm("r3") = (unsigned long)regs;
-
- /* Temporarily switch r1 to sp, call __do_irq() then restore r1. */
- asm volatile (
- PPC_STLU " %%r1, %[offset](%[sp]) ;"
- "mr %%r1, %[sp] ;"
- "bl %[callee] ;"
- PPC_LL " %%r1, 0(%%r1) ;"
- : // Outputs
- "+r" (r3)
- : // Inputs
- [sp] "b" (sp), [offset] "i" (THREAD_SIZE - STACK_FRAME_OVERHEAD),
- [callee] "i" (__do_irq)
- : // Clobbers
- "lr", "xer", "ctr", "memory", "cr0", "cr1", "cr5", "cr6",
- "cr7", "r0", "r4", "r5", "r6", "r7", "r8", "r9", "r10",
- "r11", "r12"
- );
- }
-
DEFINE_STATIC_CALL_RET0(ppc_get_irq, *ppc_md.get_irq);
- void __do_irq(struct pt_regs *regs)
+ static void __do_irq(struct pt_regs *regs, unsigned long oldsp)
{
unsigned int irq;