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| author | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2017-06-17 17:01:11 +0200 |
|---|---|---|
| committer | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2017-06-17 17:01:11 +0200 |
| commit | c1d5fe2d54551b95b812143d94d8168da2220dd8 (patch) | |
| tree | fdde4472ab2b19fcadaae22d68a0c9b008f74373 /arch/arm64/include/asm/asm-uaccess.h | |
| parent | 0068a1b36d309f22698f7de7478b72e672360129 (diff) | |
| parent | 1bd30958ec55d80ca72d2ca4e7e5c3d9fbf3173e (diff) | |
Merge tag 'v4.4.73' into toradex_vf_4.4-nextColibri-VF_LXDE-Image_2.7b3-20170630
This is the 4.4.73 stable release
Diffstat (limited to 'arch/arm64/include/asm/asm-uaccess.h')
| -rw-r--r-- | arch/arm64/include/asm/asm-uaccess.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/asm-uaccess.h b/arch/arm64/include/asm/asm-uaccess.h new file mode 100644 index 000000000000..be2d2347d995 --- /dev/null +++ b/arch/arm64/include/asm/asm-uaccess.h @@ -0,0 +1,13 @@ +#ifndef __ASM_ASM_UACCESS_H +#define __ASM_ASM_UACCESS_H + +/* + * Remove the address tag from a virtual address, if present. + */ + .macro clear_address_tag, dst, addr + tst \addr, #(1 << 55) + bic \dst, \addr, #(0xff << 56) + csel \dst, \dst, \addr, eq + .endm + +#endif |