nathan/Chromebook-Device-Nyan-NVIDIA-Tegra-K1-T124-Upstream-Linux-3.10-LTS-Kernel
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Backported memfd_create() system call

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Nathan
2025-04-07 00:23:38 -05:00
parent 3d1c55ae1e
commit eee847d17d
12 changed files with 258 additions and 1 deletions
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1
arch/arm/include/uapi/asm/unistd.h
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@@ -411,6 +411,7 @@
#define __NR_renameat2 (__NR_SYSCALL_BASE+382)
#define __NR_seccomp (__NR_SYSCALL_BASE+383)
#define __NR_getrandom (__NR_SYSCALL_BASE+384)
#define __NR_memfd_create (__NR_SYSCALL_BASE+385)
/*
* This may need to be greater than __NR_last_syscall+1 in order to

1
arch/arm/kernel/calls.S
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@@ -394,6 +394,7 @@
CALL(sys_ni_syscall) /* CALL(sys_renameat2) */
CALL(sys_seccomp)
CALL(sys_getrandom)
/* 385 */ CALL(sys_memfd_create)
#ifndef syscalls_counted
.equ syscalls_padding, ((NR_syscalls + 3) & ~3) - NR_syscalls
#define syscalls_counted

1
arch/x86/syscalls/syscall_32.tbl
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@@ -362,3 +362,4 @@
353 i386 renameat2 sys_ni_syscall
354 i386 seccomp sys_seccomp
355 i386 getrandom sys_getrandom
356 i386 memfd_create sys_memfd_create

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arch/x86/syscalls/syscall_64.tbl
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@@ -325,6 +325,7 @@
316 common renameat2 sys_ni_syscall
317 common seccomp sys_seccomp
318 common getrandom sys_getrandom
319 common memfd_create sys_memfd_create
#
# x32-specific system call numbers start at 512 to avoid cache impact