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Date: Fri, 25 Sep 2020 06:51:37 +0200 From: Christoph Hellwig <hch@....de> To: Alexander Viro <viro@...iv.linux.org.uk> Cc: Andrew Morton <akpm@...ux-foundation.org>, Jens Axboe <axboe@...nel.dk>, Arnd Bergmann <arnd@...db.de>, David Howells <dhowells@...hat.com>, David Laight <David.Laight@...lab.com>, linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, linux-mips@...r.kernel.org, linux-parisc@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org, linux-s390@...r.kernel.org, sparclinux@...r.kernel.org, linux-block@...r.kernel.org, linux-scsi@...r.kernel.org, linux-fsdevel@...r.kernel.org, linux-aio@...ck.org, io-uring@...r.kernel.org, linux-arch@...r.kernel.org, linux-mm@...ck.org, netdev@...r.kernel.org, keyrings@...r.kernel.org, linux-security-module@...r.kernel.org Subject: let import_iovec deal with compat_iovecs as well v4 Hi Al, this series changes import_iovec to transparently deal with compat iovec structures, and then cleanups up a lot of code dupliation. Changes since v3: - fix up changed prototypes in compat.h as well Changes since v2: - revert the switch of the access process vm sysclls to iov_iter - refactor the import_iovec internals differently - switch aio to use __import_iovec Changes since v1: - improve a commit message - drop a pointless unlikely - drop the PF_FORCE_COMPAT flag - add a few more cleanups (including two from David Laight) Diffstat: arch/arm64/include/asm/unistd32.h | 10 arch/mips/kernel/syscalls/syscall_n32.tbl | 10 arch/mips/kernel/syscalls/syscall_o32.tbl | 10 arch/parisc/kernel/syscalls/syscall.tbl | 10 arch/powerpc/kernel/syscalls/syscall.tbl | 10 arch/s390/kernel/syscalls/syscall.tbl | 10 arch/sparc/kernel/syscalls/syscall.tbl | 10 arch/x86/entry/syscall_x32.c | 5 arch/x86/entry/syscalls/syscall_32.tbl | 10 arch/x86/entry/syscalls/syscall_64.tbl | 10 block/scsi_ioctl.c | 12 drivers/scsi/sg.c | 9 fs/aio.c | 38 -- fs/io_uring.c | 20 - fs/read_write.c | 362 +-------------------- fs/splice.c | 57 --- include/linux/compat.h | 24 - include/linux/fs.h | 11 include/linux/uio.h | 10 include/uapi/asm-generic/unistd.h | 12 lib/iov_iter.c | 161 +++++++-- mm/process_vm_access.c | 85 ---- net/compat.c | 4 security/keys/compat.c | 37 -- security/keys/internal.h | 5 security/keys/keyctl.c | 2 tools/include/uapi/asm-generic/unistd.h | 12 tools/perf/arch/powerpc/entry/syscalls/syscall.tbl | 10 tools/perf/arch/s390/entry/syscalls/syscall.tbl | 10 tools/perf/arch/x86/entry/syscalls/syscall_64.tbl | 10 30 files changed, 280 insertions(+), 706 deletions(-)
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