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74c4137b2a
Delete ARM's asm/system.h. It's the last holdout and should be got rid of. This builds for defconfig, lpc32xx_defconfig, exynos_defconfig + XEN, the previous changed to a Gemini system and an omap3 config with TI_DAVINCI_EMAC. Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Cc: linux-arm-kernel@lists.infradead.org Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
41 lines
679 B
C
41 lines
679 B
C
#ifndef _ASM_ARM_JUMP_LABEL_H
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#define _ASM_ARM_JUMP_LABEL_H
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#ifdef __KERNEL__
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#include <linux/types.h>
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#define JUMP_LABEL_NOP_SIZE 4
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#ifdef CONFIG_THUMB2_KERNEL
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#define JUMP_LABEL_NOP "nop.w"
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#else
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#define JUMP_LABEL_NOP "nop"
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#endif
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static __always_inline bool arch_static_branch(struct static_key *key)
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{
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asm_volatile_goto("1:\n\t"
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JUMP_LABEL_NOP "\n\t"
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".pushsection __jump_table, \"aw\"\n\t"
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".word 1b, %l[l_yes], %c0\n\t"
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".popsection\n\t"
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: : "i" (key) : : l_yes);
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return false;
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l_yes:
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return true;
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}
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#endif /* __KERNEL__ */
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typedef u32 jump_label_t;
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struct jump_entry {
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jump_label_t code;
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jump_label_t target;
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jump_label_t key;
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};
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#endif
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