blob: 5c156273484b606bdacc50beb9a52701042f66bb [file] [log] [blame]
Greg Kroah-Hartmanb2441312017-11-01 15:07:57 +01001/* SPDX-License-Identifier: GPL-2.0 */
Linus Torvalds1da177e2005-04-16 15:20:36 -07002#ifndef __UM_CACHE_H
3#define __UM_CACHE_H
4
Linus Torvalds1da177e2005-04-16 15:20:36 -07005
Paolo 'Blaisorblade' Giarrusso96d55b82005-10-30 15:00:07 -08006#if defined(CONFIG_UML_X86) && !defined(CONFIG_64BIT)
7# define L1_CACHE_SHIFT (CONFIG_X86_L1_CACHE_SHIFT)
8#elif defined(CONFIG_UML_X86) /* 64-bit */
9# define L1_CACHE_SHIFT 6 /* Should be 7 on Intel */
10#else
11/* XXX: this was taken from x86, now it's completely random. Luckily only
12 * affects SMP padding. */
13# define L1_CACHE_SHIFT 5
14#endif
15
Paolo 'Blaisorblade' Giarrusso96d55b82005-10-30 15:00:07 -080016#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
Linus Torvalds1da177e2005-04-16 15:20:36 -070017
18#endif