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powerpc: sys_pkey_mprotect() system call

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Patch provides the ability for a process to
associate a pkey with a address range.

Signed-off-by: Ram Pai <linuxram@us.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Ram Pai 2018-01-18 17:50:46 -08:00 • committed by Michael Ellerman
parent 9499ec1b5e
commit 3350eb2ea1
3 changed files with 3 additions and 3 deletions
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1
arch/powerpc/include/asm/systbl.h
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@ -391,3 +391,4 @@ SYSCALL(kexec_file_load)
SYSCALL(statx) SYSCALL(statx)
SYSCALL(pkey_alloc) SYSCALL(pkey_alloc)
SYSCALL(pkey_free) SYSCALL(pkey_free)
SYSCALL(pkey_mprotect)

4
arch/powerpc/include/asm/unistd.h
View file

@ -12,12 +12,10 @@
#include <uapi/asm/unistd.h> #include <uapi/asm/unistd.h>
#define NR_syscalls 386 #define NR_syscalls 387
#define __NR__exit __NR_exit #define __NR__exit __NR_exit
#define __IGNORE_pkey_mprotect
#ifndef __ASSEMBLY__ #ifndef __ASSEMBLY__
#include <linux/types.h> #include <linux/types.h>

1
arch/powerpc/include/uapi/asm/unistd.h
View file

@ -397,5 +397,6 @@
#define __NR_statx 383 #define __NR_statx 383
#define __NR_pkey_alloc 384 #define __NR_pkey_alloc 384
#define __NR_pkey_free 385 #define __NR_pkey_free 385
#define __NR_pkey_mprotect 386
#endif /* _UAPI_ASM_POWERPC_UNISTD_H_ */ #endif /* _UAPI_ASM_POWERPC_UNISTD_H_ */