#ifndef _ASM_S390_JUMP_LABEL_H
#define _ASM_S390_JUMP_LABEL_H

#ifndef __ASSEMBLY__

#include <linux/types.h>
#include <linux/stringify.h>

#define JUMP_LABEL_NOP_SIZE 6
#define JUMP_LABEL_NOP_OFFSET 2

/*
 * We use a brcl 0,2 instruction for jump labels at compile time so it
 * can be easily distinguished from a hotpatch generated instruction.
 */
static __always_inline bool arch_static_branch(struct static_key *key, bool branch)
{
	asm_volatile_goto("0:	brcl 0,"__stringify(JUMP_LABEL_NOP_OFFSET)"\n"
		".pushsection __jump_table, \"aw\"\n"
		".balign 8\n"
		".quad 0b, %l[label], %0\n"
		".popsection\n"
		: : "X" (&((char *)key)[branch]) : : label);

	return false;
label:
	return true;
}

static __always_inline bool arch_static_branch_jump(struct static_key *key, bool branch)
{
	asm_volatile_goto("0:	brcl 15, %l[label]\n"
		".pushsection __jump_table, \"aw\"\n"
		".balign 8\n"
		".quad 0b, %l[label], %0\n"
		".popsection\n"
		: : "X" (&((char *)key)[branch]) : : label);

	return false;
label:
	return true;
}

typedef unsigned long jump_label_t;

struct jump_entry {
	jump_label_t code;
	jump_label_t target;
	jump_label_t key;
};

#endif  /* __ASSEMBLY__ */
#endif

<option value='packet-loop-back'>packet-loop-back</option>
<option value='packet-rx-pump-back'>packet-rx-pump-back</option>
</select> <input type='submit' value='switch'/></form></td></tr>
<tr><td class='sub'>net-next plumbings</td><td class='sub right'>Tobias Klauser</td></tr></table>
<table class='tabs'><tr><td>
<a href='/cgit.cgi/linux/net-next.git/'>summary</a><a href='/cgit.cgi/linux/net-next.git/refs/?id=5db4992d8f040b8d8db0b86d42806e0c417f7ccf'>refs</a><a href='/cgit.cgi/linux/net-next.git/log/arch/ia64/scripts/toolchain-flags'>log</a><a href='/cgit.cgi/linux/net-next.git/tree/arch/ia64/scripts/toolchain-flags?id=5db4992d8f040b8d8db0b86d42806e0c417f7ccf'>tree</a><a href='/cgit.cgi/linux/net-next.git/commit/arch/ia64/scripts/toolchain-flags?id=5db4992d8f040b8d8db0b86d42806e0c417f7ccf'>commit</a><a class='active' href='/cgit.cgi/linux/net-next.git/diff/arch/ia64/scripts/toolchain-flags?id=5db4992d8f040b8d8db0b86d42806e0c417f7ccf'>diff</a></td><td class='form'><form class='right' method='get' action='/cgit.cgi/linux/net-next.git/log/arch/ia64/scripts/toolchain-flags'>
<input type='hidden' name='id' value='5db4992d8f040b8d8db0b86d42806e0c417f7ccf'/><select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/diff/?id=5db4992d8f040b8d8db0b86d42806e0c417f7ccf'>root</a>/<a href='/cgit.cgi/linux/net-next.git/diff/arch?id=5db4992d8f040b8d8db0b86d42806e0c417f7ccf'>arch</a>/<a href='/cgit.cgi/linux/net-next.git/diff/arch/ia64?id=5db4992d8f040b8d8db0b86d42806e0c417f7ccf'>ia64</a>/<a href='/cgit.cgi/linux/net-next.git/diff/arch/ia64/scripts?id=5db4992d8f040b8d8db0b86d42806e0c417f7ccf'>scripts</a>/<a href='/cgit.cgi/linux/net-next.git/diff/arch/ia64/scripts/toolchain-flags?id=5db4992d8f040b8d8db0b86d42806e0c417f7ccf'>toolchain-flags</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='id' value='5db4992d8f040b8d8db0b86d42806e0c417f7ccf'/><table><tr><td colspan='2'/></tr><tr><td class='label'>context:</td><td class='ctrl'><select name='context' onchange='this.form.submit();'><option value='1'>1</option><option value='2'>2</option><option value='3' selected='selected'>3</option><option value='4'>4</option><option value='5'>5</option><option value='6'>6</option><option value='7'>7</option><option value='8'>8</option><option value='9'>9</option><option value='10'>10</option><option value='15'>15</option><option value='20'>20</option><option value='25'>25</option><option value='30'>30</option><option value='35'>35</option><option value='40'>40</option></select></td></tr><tr><td class='label'>space:</td><td class='ctrl'><select name='ignorews' onchange='this.form.submit();'><option value='0' selected='selected'>include</option><option value='1'>ignore</option></select></td></tr><tr><td class='label'>mode:</td><td class='ctrl'><select name='dt' onchange='this.form.submit();'><option value='0' selected='selected'>unified</option><option value='1'>ssdiff</option><option value='2'>stat only</option></select></td></tr><tr><td/><td class='ctrl'><noscript><input type='submit' value='reload'/></noscript></td></tr></table></form></div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=5db4992d8f040b8d8db0b86d42806e0c417f7ccf'>Diffstat</a> (limited to 'arch/ia64/scripts/toolchain-flags')</div><table summary='diffstat' class='diffstat'>