cregit-Linux how code gets into the kernel

Release 4.14 arch/powerpc/include/asm/nohash/32/pte-fsl-booke.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_POWERPC_NOHASH_32_PTE_FSL_BOOKE_H

#define _ASM_POWERPC_NOHASH_32_PTE_FSL_BOOKE_H
#ifdef __KERNEL__

/* PTE bit definitions for Freescale BookE SW loaded TLB MMU based
 * processors
 *
   MMU Assist Register 3:

   32 33 34 35 36  ... 50 51 52 53 54 55 56 57 58 59 60 61 62 63
   RPN......................  0  0 U0 U1 U2 U3 UX SX UW SW UR SR

   - PRESENT *must* be in the bottom three bits because swap cache
     entries use the top 29 bits.

*/

/* Definitions for FSL Book-E Cores */

#define _PAGE_PRESENT	0x00001	
/* S: PTE contains a translation */

#define _PAGE_USER	0x00002	
/* S: User page (maps to UR) */

#define _PAGE_RW	0x00004	
/* S: Write permission (SW) */

#define _PAGE_DIRTY	0x00008	
/* S: Page dirty */

#define _PAGE_EXEC	0x00010	
/* H: SX permission */

#define _PAGE_ACCESSED	0x00020	
/* S: Page referenced */


#define _PAGE_ENDIAN	0x00040	
/* H: E bit */

#define _PAGE_GUARDED	0x00080	
/* H: G bit */

#define _PAGE_COHERENT	0x00100	
/* H: M bit */

#define _PAGE_NO_CACHE	0x00200	
/* H: I bit */

#define _PAGE_WRITETHRU	0x00400	
/* H: W bit */

#define _PAGE_SPECIAL	0x00800 
/* S: Special page */


#define _PMD_PRESENT	0

#define _PMD_PRESENT_MASK (PAGE_MASK)

#define _PMD_BAD	(~PAGE_MASK)


#define PTE_WIMGE_SHIFT (6)

#endif /* __KERNEL__ */
#endif /*  _ASM_POWERPC_NOHASH_32_PTE_FSL_BOOKE_H */

Overall Contributors

PersonTokensPropCommitsCommitProp
Benjamin Herrenschmidt8590.43%233.33%
Bharat Bhushan44.26%116.67%
Aneesh Kumar K.V33.19%116.67%
Kirill A. Shutemov11.06%116.67%
Greg Kroah-Hartman11.06%116.67%
Total94100.00%6100.00%
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