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From: Dominik Brodowski <linux@dominikbrodowski.net> To: linux-kernel@vger.kernel.org, torvalds@linux-foundation.org, viro@zeniv.linux.org.uk Cc: luto@kernel.org, mingo@kernel.org, akpm@linux-foundation.org, arnd@arndb.de, linux-mm@kvack.org Subject: [PATCH v2 21/36] mm: add ksys_mmap_pgoff() helper; remove in-kernel calls to sys_mmap_pgoff() Date: Thu, 15 Mar 2018 20:05:14 +0100 [thread overview] Message-ID: <20180315190529.20943-22-linux@dominikbrodowski.net> (raw) In-Reply-To: <20180315190529.20943-1-linux@dominikbrodowski.net> Using this helper allows us to avoid the in-kernel calls to the sys_mmap_pgoff() syscall. Cc: Andrew Morton <akpm@linux-foundation.org> Cc: linux-mm@kvack.org Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net> --- arch/alpha/kernel/osf_sys.c | 2 +- arch/arm64/kernel/sys.c | 2 +- arch/ia64/kernel/sys_ia64.c | 4 ++-- arch/m68k/kernel/sys_m68k.c | 2 +- arch/microblaze/kernel/sys_microblaze.c | 6 +++--- arch/mips/kernel/linux32.c | 4 ++-- arch/mips/kernel/syscall.c | 6 ++++-- arch/parisc/kernel/sys_parisc.c | 6 +++--- arch/powerpc/kernel/syscalls.c | 2 +- arch/riscv/kernel/sys_riscv.c | 4 ++-- arch/s390/kernel/compat_linux.c | 6 +++--- arch/s390/kernel/sys_s390.c | 2 +- arch/sh/kernel/sys_sh.c | 4 ++-- arch/sparc/kernel/sys_sparc_32.c | 6 +++--- arch/sparc/kernel/sys_sparc_64.c | 2 +- arch/um/kernel/syscall.c | 2 +- arch/x86/ia32/sys_ia32.c | 2 +- arch/x86/kernel/sys_x86_64.c | 2 +- include/linux/syscalls.h | 3 +++ mm/mmap.c | 17 ++++++++++++----- mm/nommu.c | 17 ++++++++++++----- 21 files changed, 60 insertions(+), 41 deletions(-) diff --git a/arch/alpha/kernel/osf_sys.c b/arch/alpha/kernel/osf_sys.c index fa1a392ca9a2..89faa6f4de47 100644 --- a/arch/alpha/kernel/osf_sys.c +++ b/arch/alpha/kernel/osf_sys.c @@ -189,7 +189,7 @@ SYSCALL_DEFINE6(osf_mmap, unsigned long, addr, unsigned long, len, goto out; if (off & ~PAGE_MASK) goto out; - ret = sys_mmap_pgoff(addr, len, prot, flags, fd, off >> PAGE_SHIFT); + ret = ksys_mmap_pgoff(addr, len, prot, flags, fd, off >> PAGE_SHIFT); out: return ret; } diff --git a/arch/arm64/kernel/sys.c b/arch/arm64/kernel/sys.c index 26fe8ea93ea2..72981bae10eb 100644 --- a/arch/arm64/kernel/sys.c +++ b/arch/arm64/kernel/sys.c @@ -34,7 +34,7 @@ asmlinkage long sys_mmap(unsigned long addr, unsigned long len, if (offset_in_page(off) != 0) return -EINVAL; - return sys_mmap_pgoff(addr, len, prot, flags, fd, off >> PAGE_SHIFT); + return ksys_mmap_pgoff(addr, len, prot, flags, fd, off >> PAGE_SHIFT); } SYSCALL_DEFINE1(arm64_personality, unsigned int, personality) diff --git a/arch/ia64/kernel/sys_ia64.c b/arch/ia64/kernel/sys_ia64.c index 085adfcc74a4..9ebe1d633abc 100644 --- a/arch/ia64/kernel/sys_ia64.c +++ b/arch/ia64/kernel/sys_ia64.c @@ -139,7 +139,7 @@ int ia64_mmap_check(unsigned long addr, unsigned long len, asmlinkage unsigned long sys_mmap2 (unsigned long addr, unsigned long len, int prot, int flags, int fd, long pgoff) { - addr = sys_mmap_pgoff(addr, len, prot, flags, fd, pgoff); + addr = ksys_mmap_pgoff(addr, len, prot, flags, fd, pgoff); if (!IS_ERR((void *) addr)) force_successful_syscall_return(); return addr; @@ -151,7 +151,7 @@ sys_mmap (unsigned long addr, unsigned long len, int prot, int flags, int fd, lo if (offset_in_page(off) != 0) return -EINVAL; - addr = sys_mmap_pgoff(addr, len, prot, flags, fd, off >> PAGE_SHIFT); + addr = ksys_mmap_pgoff(addr, len, prot, flags, fd, off >> PAGE_SHIFT); if (!IS_ERR((void *) addr)) force_successful_syscall_return(); return addr; diff --git a/arch/m68k/kernel/sys_m68k.c b/arch/m68k/kernel/sys_m68k.c index 27e10af5153a..6363ec83a290 100644 --- a/arch/m68k/kernel/sys_m68k.c +++ b/arch/m68k/kernel/sys_m68k.c @@ -46,7 +46,7 @@ asmlinkage long sys_mmap2(unsigned long addr, unsigned long len, * so we need to shift the argument down by 1; m68k mmap64(3) * (in libc) expects the last argument of mmap2 in 4Kb units. */ - return sys_mmap_pgoff(addr, len, prot, flags, fd, pgoff); + return ksys_mmap_pgoff(addr, len, prot, flags, fd, pgoff); } /* Convert virtual (user) address VADDR to physical address PADDR */ diff --git a/arch/microblaze/kernel/sys_microblaze.c b/arch/microblaze/kernel/sys_microblaze.c index f1e1f666ddde..ed9f34da1a2a 100644 --- a/arch/microblaze/kernel/sys_microblaze.c +++ b/arch/microblaze/kernel/sys_microblaze.c @@ -40,7 +40,7 @@ SYSCALL_DEFINE6(mmap, unsigned long, addr, unsigned long, len, if (pgoff & ~PAGE_MASK) return -EINVAL; - return sys_mmap_pgoff(addr, len, prot, flags, fd, pgoff >> PAGE_SHIFT); + return ksys_mmap_pgoff(addr, len, prot, flags, fd, pgoff >> PAGE_SHIFT); } SYSCALL_DEFINE6(mmap2, unsigned long, addr, unsigned long, len, @@ -50,6 +50,6 @@ SYSCALL_DEFINE6(mmap2, unsigned long, addr, unsigned long, len, if (pgoff & (~PAGE_MASK >> 12)) return -EINVAL; - return sys_mmap_pgoff(addr, len, prot, flags, fd, - pgoff >> (PAGE_SHIFT - 12)); + return ksys_mmap_pgoff(addr, len, prot, flags, fd, + pgoff >> (PAGE_SHIFT - 12)); } diff --git a/arch/mips/kernel/linux32.c b/arch/mips/kernel/linux32.c index b8a3cf5d5950..0ce4f7240f69 100644 --- a/arch/mips/kernel/linux32.c +++ b/arch/mips/kernel/linux32.c @@ -67,8 +67,8 @@ SYSCALL_DEFINE6(32_mmap2, unsigned long, addr, unsigned long, len, { if (pgoff & (~PAGE_MASK >> 12)) return -EINVAL; - return sys_mmap_pgoff(addr, len, prot, flags, fd, - pgoff >> (PAGE_SHIFT-12)); + return ksys_mmap_pgoff(addr, len, prot, flags, fd, + pgoff >> (PAGE_SHIFT-12)); } #define RLIM_INFINITY32 0x7fffffff diff --git a/arch/mips/kernel/syscall.c b/arch/mips/kernel/syscall.c index 58c6f634b550..69c17b549fd3 100644 --- a/arch/mips/kernel/syscall.c +++ b/arch/mips/kernel/syscall.c @@ -63,7 +63,8 @@ SYSCALL_DEFINE6(mips_mmap, unsigned long, addr, unsigned long, len, { if (offset & ~PAGE_MASK) return -EINVAL; - return sys_mmap_pgoff(addr, len, prot, flags, fd, offset >> PAGE_SHIFT); + return ksys_mmap_pgoff(addr, len, prot, flags, fd, + offset >> PAGE_SHIFT); } SYSCALL_DEFINE6(mips_mmap2, unsigned long, addr, unsigned long, len, @@ -73,7 +74,8 @@ SYSCALL_DEFINE6(mips_mmap2, unsigned long, addr, unsigned long, len, if (pgoff & (~PAGE_MASK >> 12)) return -EINVAL; - return sys_mmap_pgoff(addr, len, prot, flags, fd, pgoff >> (PAGE_SHIFT-12)); + return ksys_mmap_pgoff(addr, len, prot, flags, fd, + pgoff >> (PAGE_SHIFT - 12)); } save_static_function(sys_fork); diff --git a/arch/parisc/kernel/sys_parisc.c b/arch/parisc/kernel/sys_parisc.c index da1c27ea8e1a..572feeea834c 100644 --- a/arch/parisc/kernel/sys_parisc.c +++ b/arch/parisc/kernel/sys_parisc.c @@ -270,8 +270,8 @@ asmlinkage unsigned long sys_mmap2(unsigned long addr, unsigned long len, { /* Make sure the shift for mmap2 is constant (12), no matter what PAGE_SIZE we have. */ - return sys_mmap_pgoff(addr, len, prot, flags, fd, - pgoff >> (PAGE_SHIFT - 12)); + return ksys_mmap_pgoff(addr, len, prot, flags, fd, + pgoff >> (PAGE_SHIFT - 12)); } asmlinkage unsigned long sys_mmap(unsigned long addr, unsigned long len, @@ -279,7 +279,7 @@ asmlinkage unsigned long sys_mmap(unsigned long addr, unsigned long len, unsigned long offset) { if (!(offset & ~PAGE_MASK)) { - return sys_mmap_pgoff(addr, len, prot, flags, fd, + return ksys_mmap_pgoff(addr, len, prot, flags, fd, offset >> PAGE_SHIFT); } else { return -EINVAL; diff --git a/arch/powerpc/kernel/syscalls.c b/arch/powerpc/kernel/syscalls.c index ecb981eea74b..1ef3b80b62a6 100644 --- a/arch/powerpc/kernel/syscalls.c +++ b/arch/powerpc/kernel/syscalls.c @@ -57,7 +57,7 @@ static inline long do_mmap2(unsigned long addr, size_t len, off >>= shift; } - ret = sys_mmap_pgoff(addr, len, prot, flags, fd, off); + ret = ksys_mmap_pgoff(addr, len, prot, flags, fd, off); out: return ret; } diff --git a/arch/riscv/kernel/sys_riscv.c b/arch/riscv/kernel/sys_riscv.c index 79c78668258e..f7181ed8aafc 100644 --- a/arch/riscv/kernel/sys_riscv.c +++ b/arch/riscv/kernel/sys_riscv.c @@ -24,8 +24,8 @@ static long riscv_sys_mmap(unsigned long addr, unsigned long len, { if (unlikely(offset & (~PAGE_MASK >> page_shift_offset))) return -EINVAL; - return sys_mmap_pgoff(addr, len, prot, flags, fd, - offset >> (PAGE_SHIFT - page_shift_offset)); + return ksys_mmap_pgoff(addr, len, prot, flags, fd, + offset >> (PAGE_SHIFT - page_shift_offset)); } #ifdef CONFIG_64BIT diff --git a/arch/s390/kernel/compat_linux.c b/arch/s390/kernel/compat_linux.c index 357a66934a98..a47995a5174c 100644 --- a/arch/s390/kernel/compat_linux.c +++ b/arch/s390/kernel/compat_linux.c @@ -442,8 +442,8 @@ COMPAT_SYSCALL_DEFINE1(s390_old_mmap, struct mmap_arg_struct_emu31 __user *, arg return -EFAULT; if (a.offset & ~PAGE_MASK) return -EINVAL; - return sys_mmap_pgoff(a.addr, a.len, a.prot, a.flags, a.fd, - a.offset >> PAGE_SHIFT); + return ksys_mmap_pgoff(a.addr, a.len, a.prot, a.flags, a.fd, + a.offset >> PAGE_SHIFT); } COMPAT_SYSCALL_DEFINE1(s390_mmap2, struct mmap_arg_struct_emu31 __user *, arg) @@ -452,7 +452,7 @@ COMPAT_SYSCALL_DEFINE1(s390_mmap2, struct mmap_arg_struct_emu31 __user *, arg) if (copy_from_user(&a, arg, sizeof(a))) return -EFAULT; - return sys_mmap_pgoff(a.addr, a.len, a.prot, a.flags, a.fd, a.offset); + return ksys_mmap_pgoff(a.addr, a.len, a.prot, a.flags, a.fd, a.offset); } COMPAT_SYSCALL_DEFINE3(s390_read, unsigned int, fd, char __user *, buf, compat_size_t, count) diff --git a/arch/s390/kernel/sys_s390.c b/arch/s390/kernel/sys_s390.c index 0090037ab148..31cefe0c28c0 100644 --- a/arch/s390/kernel/sys_s390.c +++ b/arch/s390/kernel/sys_s390.c @@ -53,7 +53,7 @@ SYSCALL_DEFINE1(mmap2, struct s390_mmap_arg_struct __user *, arg) if (copy_from_user(&a, arg, sizeof(a))) goto out; - error = sys_mmap_pgoff(a.addr, a.len, a.prot, a.flags, a.fd, a.offset); + error = ksys_mmap_pgoff(a.addr, a.len, a.prot, a.flags, a.fd, a.offset); out: return error; } diff --git a/arch/sh/kernel/sys_sh.c b/arch/sh/kernel/sys_sh.c index 724911c59e7d..f8afc014e084 100644 --- a/arch/sh/kernel/sys_sh.c +++ b/arch/sh/kernel/sys_sh.c @@ -35,7 +35,7 @@ asmlinkage int old_mmap(unsigned long addr, unsigned long len, { if (off & ~PAGE_MASK) return -EINVAL; - return sys_mmap_pgoff(addr, len, prot, flags, fd, off>>PAGE_SHIFT); + return ksys_mmap_pgoff(addr, len, prot, flags, fd, off>>PAGE_SHIFT); } asmlinkage long sys_mmap2(unsigned long addr, unsigned long len, @@ -51,7 +51,7 @@ asmlinkage long sys_mmap2(unsigned long addr, unsigned long len, pgoff >>= PAGE_SHIFT - 12; - return sys_mmap_pgoff(addr, len, prot, flags, fd, pgoff); + return ksys_mmap_pgoff(addr, len, prot, flags, fd, pgoff); } /* sys_cacheflush -- flush (part of) the processor cache. */ diff --git a/arch/sparc/kernel/sys_sparc_32.c b/arch/sparc/kernel/sys_sparc_32.c index 990703b7cf4d..d980da4ffd7b 100644 --- a/arch/sparc/kernel/sys_sparc_32.c +++ b/arch/sparc/kernel/sys_sparc_32.c @@ -104,8 +104,8 @@ asmlinkage long sys_mmap2(unsigned long addr, unsigned long len, { /* Make sure the shift for mmap2 is constant (12), no matter what PAGE_SIZE we have. */ - return sys_mmap_pgoff(addr, len, prot, flags, fd, - pgoff >> (PAGE_SHIFT - 12)); + return ksys_mmap_pgoff(addr, len, prot, flags, fd, + pgoff >> (PAGE_SHIFT - 12)); } asmlinkage long sys_mmap(unsigned long addr, unsigned long len, @@ -113,7 +113,7 @@ asmlinkage long sys_mmap(unsigned long addr, unsigned long len, unsigned long off) { /* no alignment check? */ - return sys_mmap_pgoff(addr, len, prot, flags, fd, off >> PAGE_SHIFT); + return ksys_mmap_pgoff(addr, len, prot, flags, fd, off >> PAGE_SHIFT); } long sparc_remap_file_pages(unsigned long start, unsigned long size, diff --git a/arch/sparc/kernel/sys_sparc_64.c b/arch/sparc/kernel/sys_sparc_64.c index 55416db482ad..ebb84dc8a5a7 100644 --- a/arch/sparc/kernel/sys_sparc_64.c +++ b/arch/sparc/kernel/sys_sparc_64.c @@ -458,7 +458,7 @@ SYSCALL_DEFINE6(mmap, unsigned long, addr, unsigned long, len, goto out; if (off & ~PAGE_MASK) goto out; - retval = sys_mmap_pgoff(addr, len, prot, flags, fd, off >> PAGE_SHIFT); + retval = ksys_mmap_pgoff(addr, len, prot, flags, fd, off >> PAGE_SHIFT); out: return retval; } diff --git a/arch/um/kernel/syscall.c b/arch/um/kernel/syscall.c index 6258676bed85..35f7047bdebc 100644 --- a/arch/um/kernel/syscall.c +++ b/arch/um/kernel/syscall.c @@ -22,7 +22,7 @@ long old_mmap(unsigned long addr, unsigned long len, if (offset & ~PAGE_MASK) goto out; - err = sys_mmap_pgoff(addr, len, prot, flags, fd, offset >> PAGE_SHIFT); + err = ksys_mmap_pgoff(addr, len, prot, flags, fd, offset >> PAGE_SHIFT); out: return err; } diff --git a/arch/x86/ia32/sys_ia32.c b/arch/x86/ia32/sys_ia32.c index 2afd718e7422..ca28ee07a191 100644 --- a/arch/x86/ia32/sys_ia32.c +++ b/arch/x86/ia32/sys_ia32.c @@ -164,7 +164,7 @@ COMPAT_SYSCALL_DEFINE1(x86_mmap, struct mmap_arg_struct32 __user *, arg) if (a.offset & ~PAGE_MASK) return -EINVAL; - return sys_mmap_pgoff(a.addr, a.len, a.prot, a.flags, a.fd, + return ksys_mmap_pgoff(a.addr, a.len, a.prot, a.flags, a.fd, a.offset>>PAGE_SHIFT); } diff --git a/arch/x86/kernel/sys_x86_64.c b/arch/x86/kernel/sys_x86_64.c index 676774b9bb8d..a3f15ed545b5 100644 --- a/arch/x86/kernel/sys_x86_64.c +++ b/arch/x86/kernel/sys_x86_64.c @@ -97,7 +97,7 @@ SYSCALL_DEFINE6(mmap, unsigned long, addr, unsigned long, len, if (off & ~PAGE_MASK) goto out; - error = sys_mmap_pgoff(addr, len, prot, flags, fd, off >> PAGE_SHIFT); + error = ksys_mmap_pgoff(addr, len, prot, flags, fd, off >> PAGE_SHIFT); out: return error; } diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h index 863ca7d6face..37b311393bdc 100644 --- a/include/linux/syscalls.h +++ b/include/linux/syscalls.h @@ -964,5 +964,8 @@ static inline int ksys_fadvise64_64(int fd, loff_t offset, loff_t len, return -EINVAL; } #endif +unsigned long ksys_mmap_pgoff(unsigned long addr, unsigned long len, + unsigned long prot, unsigned long flags, + unsigned long fd, unsigned long pgoff); #endif diff --git a/mm/mmap.c b/mm/mmap.c index 9efdc021ad22..aa0dc8231c0d 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -1488,9 +1488,9 @@ unsigned long do_mmap(struct file *file, unsigned long addr, return addr; } -SYSCALL_DEFINE6(mmap_pgoff, unsigned long, addr, unsigned long, len, - unsigned long, prot, unsigned long, flags, - unsigned long, fd, unsigned long, pgoff) +unsigned long ksys_mmap_pgoff(unsigned long addr, unsigned long len, + unsigned long prot, unsigned long flags, + unsigned long fd, unsigned long pgoff) { struct file *file = NULL; unsigned long retval; @@ -1537,6 +1537,13 @@ SYSCALL_DEFINE6(mmap_pgoff, unsigned long, addr, unsigned long, len, return retval; } +SYSCALL_DEFINE6(mmap_pgoff, unsigned long, addr, unsigned long, len, + unsigned long, prot, unsigned long, flags, + unsigned long, fd, unsigned long, pgoff) +{ + return ksys_mmap_pgoff(addr, len, prot, flags, fd, pgoff); +} + #ifdef __ARCH_WANT_SYS_OLD_MMAP struct mmap_arg_struct { unsigned long addr; @@ -1556,8 +1563,8 @@ SYSCALL_DEFINE1(old_mmap, struct mmap_arg_struct __user *, arg) if (offset_in_page(a.offset)) return -EINVAL; - return sys_mmap_pgoff(a.addr, a.len, a.prot, a.flags, a.fd, - a.offset >> PAGE_SHIFT); + return ksys_mmap_pgoff(a.addr, a.len, a.prot, a.flags, a.fd, + a.offset >> PAGE_SHIFT); } #endif /* __ARCH_WANT_SYS_OLD_MMAP */ diff --git a/mm/nommu.c b/mm/nommu.c index ebb6e618dade..cad329629530 100644 --- a/mm/nommu.c +++ b/mm/nommu.c @@ -1423,9 +1423,9 @@ unsigned long do_mmap(struct file *file, return -ENOMEM; } -SYSCALL_DEFINE6(mmap_pgoff, unsigned long, addr, unsigned long, len, - unsigned long, prot, unsigned long, flags, - unsigned long, fd, unsigned long, pgoff) +unsigned long ksys_mmap_pgoff(unsigned long addr, unsigned long len, + unsigned long prot, unsigned long flags, + unsigned long fd, unsigned long pgoff) { struct file *file = NULL; unsigned long retval = -EBADF; @@ -1447,6 +1447,13 @@ SYSCALL_DEFINE6(mmap_pgoff, unsigned long, addr, unsigned long, len, return retval; } +SYSCALL_DEFINE6(mmap_pgoff, unsigned long, addr, unsigned long, len, + unsigned long, prot, unsigned long, flags, + unsigned long, fd, unsigned long, pgoff) +{ + return ksys_mmap_pgoff(addr, len, prot, flags, fd, pgoff); +} + #ifdef __ARCH_WANT_SYS_OLD_MMAP struct mmap_arg_struct { unsigned long addr; @@ -1466,8 +1473,8 @@ SYSCALL_DEFINE1(old_mmap, struct mmap_arg_struct __user *, arg) if (offset_in_page(a.offset)) return -EINVAL; - return sys_mmap_pgoff(a.addr, a.len, a.prot, a.flags, a.fd, - a.offset >> PAGE_SHIFT); + return ksys_mmap_pgoff(a.addr, a.len, a.prot, a.flags, a.fd, + a.offset >> PAGE_SHIFT); } #endif /* __ARCH_WANT_SYS_OLD_MMAP */ -- 2.16.2
next prev parent reply other threads:[~2018-03-15 19:15 UTC|newest] Thread overview: 76+ messages / expand[flat|nested] mbox.gz Atom feed top 2018-03-15 19:04 [PATCH v2 00/36] remove in-kernel syscall invocations (part 1) Dominik Brodowski 2018-03-15 19:04 ` [PATCH v2 01/36] syscalls: define goal to not call sys_xyzzy() from within the kernel Dominik Brodowski 2018-03-15 19:04 ` [PATCH v2 02/36] kernel: use kernel_wait4() instead of sys_wait4() Dominik Brodowski 2018-03-16 16:58 ` Luis R. Rodriguez 2018-03-17 16:44 ` Dominik Brodowski 2018-03-15 19:04 ` [PATCH v2 03/36] mm: use do_futex() instead of sys_futex() in mm_release() Dominik Brodowski 2018-03-16 11:58 ` Thomas Gleixner 2018-03-16 18:43 ` Darren Hart 2018-03-16 19:03 ` Andy Lutomirski 2018-03-16 21:44 ` Darren Hart 2018-03-17 16:39 ` Dominik Brodowski 2018-03-15 19:04 ` [PATCH v2 04/36] kernel: add do_getpgid() helper; remove internal call to sys_getpgid() Dominik Brodowski 2018-03-15 19:04 ` [PATCH v2 05/36] fs: add do_readlinkat() helper; remove internal call to sys_readlinkat() Dominik Brodowski 2018-03-15 19:04 ` [PATCH v2 06/36] fs: add do_pipe2() helper; remove internal call to sys_pipe2() Dominik Brodowski 2018-03-15 19:05 ` [PATCH v2 07/36] fs: add do_renameat2() helper; remove internal call to sys_renameat2() Dominik Brodowski 2018-03-15 19:05 ` [PATCH v2 08/36] fs: add do_futimesat() helper; remove internal call to sys_futimesat() Dominik Brodowski 2018-03-15 19:05 ` [PATCH v2 09/36] syscalls: add do_epoll_*() helpers; remove internal calls to sys_epoll_*() Dominik Brodowski 2018-03-15 19:05 ` [PATCH v2 10/36] fs: add do_signalfd4() helper; remove internal calls to sys_signalfd4() Dominik Brodowski 2018-03-15 19:05 ` [PATCH v2 11/36] fs: add do_eventfd() helper; remove internal call to sys_eventfd() Dominik Brodowski 2018-03-15 19:05 ` [PATCH v2 12/36] kernel: open-code sys_rt_sigpending() in sys_sigpending() Dominik Brodowski 2018-03-15 19:05 ` [PATCH v2 13/36] x86/ioport: add ksys_ioperm() helper; remove in-kernel calls to sys_ioperm() Dominik Brodowski 2018-03-16 8:43 ` Christoph Hellwig 2018-03-16 11:13 ` Dominik Brodowski 2018-03-16 12:00 ` Thomas Gleixner 2018-03-16 14:45 ` Dominik Brodowski 2018-03-16 14:47 ` Thomas Gleixner 2018-03-15 19:05 ` [PATCH v2 14/36] fs: add ksys_mount() helper; remove in-kernel calls to sys_mount() Dominik Brodowski 2018-03-15 20:11 ` Arnd Bergmann 2018-03-16 8:46 ` Christoph Hellwig 2018-03-16 16:58 ` Linus Torvalds 2018-03-17 16:52 ` Dominik Brodowski 2018-03-15 19:05 ` [PATCH v2 15/36] fs: add ksys_umount() helper; remove in-kernel call to sys_umount() Dominik Brodowski 2018-03-16 8:47 ` Christoph Hellwig 2018-03-17 16:58 ` Dominik Brodowski 2018-03-15 19:05 ` [PATCH v2 16/36] fs: add ksys_dup{,3}() helper; remove in-kernel calls to sys_dup{,3}() Dominik Brodowski 2018-03-16 8:48 ` Christoph Hellwig 2018-03-17 17:01 ` Dominik Brodowski 2018-03-15 19:05 ` [PATCH v2 17/36] fs: add ksys_chroot() helper; remove-in kernel calls to sys_chroot() Dominik Brodowski 2018-03-15 20:44 ` Arnd Bergmann 2018-03-16 8:49 ` Christoph Hellwig 2018-03-17 17:04 ` Dominik Brodowski 2018-03-15 19:05 ` [PATCH v2 18/36] fs: add ksys_write() helper; remove in-kernel calls to sys_write() Dominik Brodowski 2018-03-16 8:52 ` Christoph Hellwig 2018-03-17 17:06 ` Dominik Brodowski 2018-03-15 19:05 ` [PATCH v2 19/36] kernel: add ksys_unshare() helper; remove in-kernel calls to sys_unshare() Dominik Brodowski 2018-03-15 19:05 ` [PATCH v2 20/36] mm: add ksys_fadvise64_64() helper; remove in-kernel call to sys_fadvise64_64() Dominik Brodowski 2018-03-15 19:05 ` Dominik Brodowski [this message] 2018-03-15 20:54 ` [PATCH v2 21/36] mm: add ksys_mmap_pgoff() helper; remove in-kernel calls to sys_mmap_pgoff() Arnd Bergmann 2018-03-15 19:05 ` [PATCH v2 22/36] fs: add ksys_chdir() helper; remove in-kernel calls to sys_chdir() Dominik Brodowski 2018-03-15 19:05 ` [PATCH v2 23/36] fs: add ksys_sync_file_range helper(); remove in-kernel calls to syscall Dominik Brodowski 2018-03-15 19:05 ` [PATCH v2 24/36] fs: add ksys_unlink() wrapper; remove in-kernel calls to sys_unlink() Dominik Brodowski 2018-03-15 20:21 ` Arnd Bergmann 2018-03-17 17:09 ` Dominik Brodowski 2018-03-15 19:05 ` [PATCH v2 25/36] hostfs: rename do_rmdir() to hostfs_do_rmdir() Dominik Brodowski 2018-03-15 19:05 ` [PATCH v2 26/36] fs: add ksys_rmdir() wrapper; remove in-kernel calls to sys_rmdir() Dominik Brodowski 2018-03-15 19:05 ` [PATCH v2 27/36] fs: add do_mkdirat() helper and ksys_mkdir() wrapper; remove in-kernel calls to syscall Dominik Brodowski 2018-03-15 19:05 ` [PATCH v2 28/36] fs: add do_symlinkat() helper and ksys_symlink() " Dominik Brodowski 2018-03-15 19:05 ` [PATCH v2 29/36] fs: add do_mknodat() helper and ksys_mknod() " Dominik Brodowski 2018-03-15 19:05 ` [PATCH v2 30/36] fs: add do_linkat() helper and ksys_link() " Dominik Brodowski 2018-03-15 20:30 ` Arnd Bergmann 2018-03-17 17:11 ` Dominik Brodowski 2018-03-15 19:05 ` [PATCH v2 31/36] fs: add ksys_fchmod() and do_fchmodat() helpers and ksys_chmod() " Dominik Brodowski 2018-03-15 19:05 ` [PATCH v2 32/36] fs: add do_faccessat() helper and ksys_access() " Dominik Brodowski 2018-03-15 19:05 ` [PATCH v2 33/36] fs: add ksys_ftruncate() wrapper; remove in-kernel calls to sys_ftruncate() Dominik Brodowski 2018-03-15 19:05 ` [PATCH v2 34/36] fs: add do_fchownat(), ksys_fchown() helpers and ksys_{,l}chown() wrappers Dominik Brodowski 2018-03-15 19:05 ` [PATCH v2 35/36] fs: add ksys_close() wrapper; remove in-kernel calls to sys_close() Dominik Brodowski 2018-03-15 19:05 ` [PATCH v2 36/36] fs: add ksys_open() wrapper; remove in-kernel calls to sys_open() Dominik Brodowski 2018-03-15 21:02 ` [PATCH v2 00/36] remove in-kernel syscall invocations (part 1) Arnd Bergmann 2018-03-16 0:38 ` Andy Lutomirski 2018-03-16 0:54 ` Linus Torvalds 2018-03-16 8:54 ` Christoph Hellwig 2018-03-16 14:20 ` Al Viro 2018-03-16 16:47 ` Linus Torvalds 2018-03-17 17:13 ` Dominik Brodowski 2018-03-16 9:01 ` Zhang, Ning A 2018-03-16 10:25 ` Dominik Brodowski
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