<commit_before>#ifndef _ARM_KEXEC_H
#define _ARM_KEXEC_H

#ifdef CONFIG_KEXEC

/* Maximum physical address we can use pages from */
#define KEXEC_SOURCE_MEMORY_LIMIT (-1UL)
/* Maximum address we can reach in physical address mode */
#define KEXEC_DESTINATION_MEMORY_LIMIT (-1UL)
/* Maximum address we can use for the control code buffer */
#define KEXEC_CONTROL_MEMORY_LIMIT (-1UL)

#define KEXEC_CONTROL_PAGE_SIZE	4096

#define KEXEC_ARCH KEXEC_ARCH_ARM

#define KEXEC_ARM_ATAGS_OFFSET  0x1000
#define KEXEC_ARM_ZIMAGE_OFFSET 0x8000

#ifndef __ASSEMBLY__

/**
 * crash_setup_regs() - save registers for the panic kernel
 * @newregs: registers are saved here
 * @oldregs: registers to be saved (may be %NULL)
 *
 * Function copies machine registers from @oldregs to @newregs. If @oldregs is
 * %NULL then current registers are stored there.
 */
static inline void crash_setup_regs(struct pt_regs *newregs,
				    struct pt_regs *oldregs)
{
	if (oldregs) {
		memcpy(newregs, oldregs, sizeof(*newregs));
	} else {
		__asm__ __volatile__ ("stmia %0, {r0 - r15}"
				      : : "r" (&newregs->ARM_r0));
		__asm__ __volatile__ ("mrs %0, cpsr"
				      : "=r" (newregs->ARM_cpsr));
	}
}

#endif /* __ASSEMBLY__ */

#endif /* CONFIG_KEXEC */

#endif /* _ARM_KEXEC_H */<commit_msg>ARM: 6517/1: kexec: Add missing memory clobber to inline asm in crash_setup_regs()<commit_after>#ifndef _ARM_KEXEC_H
#define _ARM_KEXEC_H

#ifdef CONFIG_KEXEC

/* Maximum physical address we can use pages from */
#define KEXEC_SOURCE_MEMORY_LIMIT (-1UL)
/* Maximum address we can reach in physical address mode */
#define KEXEC_DESTINATION_MEMORY_LIMIT (-1UL)
/* Maximum address we can use for the control code buffer */
#define KEXEC_CONTROL_MEMORY_LIMIT (-1UL)

#define KEXEC_CONTROL_PAGE_SIZE	4096

#define KEXEC_ARCH KEXEC_ARCH_ARM

#define KEXEC_ARM_ATAGS_OFFSET  0x1000
#define KEXEC_ARM_ZIMAGE_OFFSET 0x8000

#ifndef __ASSEMBLY__

/**
 * crash_setup_regs() - save registers for the panic kernel
 * @newregs: registers are saved here
 * @oldregs: registers to be saved (may be %NULL)
 *
 * Function copies machine registers from @oldregs to @newregs. If @oldregs is
 * %NULL then current registers are stored there.
 */
static inline void crash_setup_regs(struct pt_regs *newregs,
				    struct pt_regs *oldregs)
{
	if (oldregs) {
		memcpy(newregs, oldregs, sizeof(*newregs));
	} else {
		__asm__ __volatile__ ("stmia %0, {r0 - r15}"
				      : : "r" (&newregs->ARM_r0) : "memory");
		__asm__ __volatile__ ("mrs %0, cpsr"
				      : "=r" (newregs->ARM_cpsr));
	}
}

#endif /* __ASSEMBLY__ */

#endif /* CONFIG_KEXEC */

#endif /* _ARM_KEXEC_H */
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