[RFC] situation with csum_and_copy_... API · Al Viro <viro@ZenIV.linux.org.uk> · 2014-11-18
[patches][RFC] situation with csum_and_copy_... API · Al Viro <viro@ZenIV.linux.org.uk> · 2014-11-18
[PATCH 1/5] separate kernel- and userland-side msghdr · Al Viro <viro@ZenIV.linux.org.uk> · 2014-11-18
[PATCH 2/5] {compat_,}verify_iovec(): switch to generic copying of iovecs · Al Viro <viro@ZenIV.linux.org.uk> · 2014-11-18
[PATCH 4/5] bury skb_copy_to_page() · Al Viro <viro@ZenIV.linux.org.uk> · 2014-11-18
[PATCH 3/5] remove a bunch of now-pointless access_ok() in net · Al Viro <viro@ZenIV.linux.org.uk> · 2014-11-18
[PATCH 5/5] fold verify_iovec() into copy_msghdr_from_user() · Al Viro <viro@ZenIV.linux.org.uk> · 2014-11-18
Re: [patches][RFC] situation with csum_and_copy_... API · David Miller <davem@davemloft.net> · 2014-11-19
Re: [RFC] situation with csum_and_copy_... API · Linus Torvalds <torvalds@linux-foundation.org> · 2014-11-18
Re: [RFC] situation with csum_and_copy_... API · Al Viro <viro@ZenIV.linux.org.uk> · 2014-11-18
Re: [RFC] situation with csum_and_copy_... API · Linus Torvalds <torvalds@linux-foundation.org> · 2014-11-18
Re: [RFC] situation with csum_and_copy_... API · David Miller <davem@davemloft.net> · 2014-11-19
Re: [RFC] situation with csum_and_copy_... API · Linus Torvalds <torvalds@linux-foundation.org> · 2014-11-19
Re: [RFC] situation with csum_and_copy_... API · Al Viro <viro@ZenIV.linux.org.uk> · 2014-11-19
Re: [RFC] situation with csum_and_copy_... API · David Miller <davem@davemloft.net> · 2014-11-19
Re: [RFC] situation with csum_and_copy_... API · Al Viro <viro@ZenIV.linux.org.uk> · 2014-11-19
Re: [RFC] situation with csum_and_copy_... API · David Miller <davem@davemloft.net> · 2014-11-19
Re: [RFC] situation with csum_and_copy_... API · Al Viro <viro@ZenIV.linux.org.uk> · 2014-11-20
Re: [RFC] situation with csum_and_copy_... API · Eric Dumazet <hidden> · 2014-11-20
Re: [RFC] situation with csum_and_copy_... API · Al Viro <viro@ZenIV.linux.org.uk> · 2014-11-20
Re: [RFC] situation with csum_and_copy_... API · Eric Dumazet <hidden> · 2014-11-20
Re: [RFC] situation with csum_and_copy_... API · Al Viro <viro@ZenIV.linux.org.uk> · 2014-11-21
Re: [RFC] situation with csum_and_copy_... API · Eric Dumazet <hidden> · 2014-11-21
RE: [RFC] situation with csum_and_copy_... API · David Laight <hidden> · 2014-11-21
Re: [RFC] situation with csum_and_copy_... API · Al Viro <viro@ZenIV.linux.org.uk> · 2014-11-21
Re: [RFC] situation with csum_and_copy_... API · Linus Torvalds <torvalds@linux-foundation.org> · 2014-11-21
RE: [RFC] situation with csum_and_copy_... API · David Laight <hidden> · 2014-11-24
Re: [RFC] situation with csum_and_copy_... API · Al Viro <viro@ZenIV.linux.org.uk> · 2014-11-22
Re: [RFC] situation with csum_and_copy_... API · Al Viro <viro@ZenIV.linux.org.uk> · 2014-11-22
RE: [RFC] situation with csum_and_copy_... API · David Laight <hidden> · 2014-11-24
Re: [RFC] situation with csum_and_copy_... API · David Miller <davem@davemloft.net> · 2014-11-20
Re: [RFC] situation with csum_and_copy_... API · David Miller <davem@davemloft.net> · 2014-11-21
Re: [RFC] situation with csum_and_copy_... API · Al Viro <viro@ZenIV.linux.org.uk> · 2014-11-22
[PATCH 01/17] new helper: skb_copy_and_csum_datagram_msg() · Al Viro <viro@ZenIV.linux.org.uk> · 2014-11-22
[PATCH 02/17] new helper: memcpy_from_msg() · Al Viro <viro@ZenIV.linux.org.uk> · 2014-11-22
[PATCH 03/17] switch ipxrtr_route_packet() from iovec to msghdr · Al Viro <viro@ZenIV.linux.org.uk> · 2014-11-22
[PATCH 04/17] new helper: memcpy_to_msg() · Al Viro <viro@ZenIV.linux.org.uk> · 2014-11-22
[PATCH 05/17] switch drivers/net/tun.c to ->read_iter() · Al Viro <viro@ZenIV.linux.org.uk> · 2014-11-22
[PATCH 06/17] switch macvtap to ->read_iter() · Al Viro <viro@ZenIV.linux.org.uk> · 2014-11-22
Re: [PATCH 06/17] switch macvtap to ->read_iter() · Ben Hutchings <hidden> · 2014-11-23
[PATCH 07/17] new helpers: skb_copy_datagram_from_iter() and zerocopy_sg_from_iter() · Al Viro <viro@ZenIV.linux.org.uk> · 2014-11-22
Re: [PATCH 07/17] new helpers: skb_copy_datagram_from_iter() and zerocopy_sg_from_iter() · Ben Hutchings <hidden> · 2014-11-24
Re: [PATCH 07/17] new helpers: skb_copy_datagram_from_iter() and zerocopy_sg_from_iter() · Ben Hutchings <hidden> · 2014-11-24
Re: [PATCH 07/17] new helpers: skb_copy_datagram_from_iter() and zerocopy_sg_from_iter() · Jason Wang <hidden> · 2014-11-24
Re: [PATCH 07/17] new helpers: skb_copy_datagram_from_iter() and zerocopy_sg_from_iter() · Al Viro <viro@ZenIV.linux.org.uk> · 2014-11-24
[PATCH 08/17] {macvtap,tun}_get_user(): switch to iov_iter · Al Viro <viro@ZenIV.linux.org.uk> · 2014-11-22
Re: [PATCH 08/17] {macvtap,tun}_get_user(): switch to iov_iter · Ben Hutchings <hidden> · 2014-11-24
Re: [PATCH 08/17] {macvtap,tun}_get_user(): switch to iov_iter · Ben Hutchings <hidden> · 2014-11-24
Re: [PATCH 08/17] {macvtap,tun}_get_user(): switch to iov_iter · Al Viro <viro@ZenIV.linux.org.uk> · 2014-11-24
[PATCH 09/17] kill zerocopy_sg_from_iovec() · Al Viro <viro@ZenIV.linux.org.uk> · 2014-11-22
[PATCH 10/17] switch AF_PACKET and AF_UNIX to skb_copy_datagram_from_iter() · Al Viro <viro@ZenIV.linux.org.uk> · 2014-11-22
PATCH 11/17] switch sctp_user_addto_chunk() and sctp_datamsg_from_user() to passing iov_iter · Al Viro <viro@ZenIV.linux.org.uk> · 2014-11-22
[PATCH 12/17] tipc_sendmsg(): pass msghdr instead of its ->msg_iov · Al Viro <viro@ZenIV.linux.org.uk> · 2014-11-22
[PATCH 13/17] tipc_msg_build(): pass msghdr instead of its ->msg_iov · Al Viro <viro@ZenIV.linux.org.uk> · 2014-11-22
[PATCH 14/17] vmci_transport: switch ->enqeue_dgram, ->enqueue_stream and ->dequeue_stream to msghdr · Al Viro <viro@ZenIV.linux.org.uk> · 2014-11-22
[PATCH 15/17] [atm] switch vcc_sendmsg() to copy_from_iter() · Al Viro <viro@ZenIV.linux.org.uk> · 2014-11-22
[PATCH 16/17] rds: switch ->inc_copy_to_user() to passing iov_iter · Al Viro <viro@ZenIV.linux.org.uk> · 2014-11-22
[PATCH 17/17] rds: switch rds_message_copy_from_user() to iov_iter · Al Viro <viro@ZenIV.linux.org.uk> · 2014-11-22
Re: [PATCH 17/17] rds: switch rds_message_copy_from_user() to iov_iter · Ben Hutchings <hidden> · 2014-11-24
Re: [PATCH 17/17] rds: switch rds_message_copy_from_user() to iov_iter · Al Viro <viro@ZenIV.linux.org.uk> · 2014-11-24
Re: [RFC] situation with csum_and_copy_... API · David Miller <davem@davemloft.net> · 2014-11-22
Re: [RFC] situation with csum_and_copy_... API · Al Viro <viro@ZenIV.linux.org.uk> · 2014-11-25
[PATCH v2 03/17] switch ipxrtr_route_packet() from iovec to msghdr · Al Viro <viro@ZenIV.linux.org.uk> · 2014-11-25
[PATCH v2 04/17] new helper: memcpy_to_msg() · Al Viro <viro@ZenIV.linux.org.uk> · 2014-11-25
[PATCH v2 16/17] rds: switch ->inc_copy_to_user() to passing iov_iter · Al Viro <viro@ZenIV.linux.org.uk> · 2014-11-25
[PATCH v2 17/17] rds: switch rds_message_copy_from_user() to iov_iter · Al Viro <viro@ZenIV.linux.org.uk> · 2014-11-25
[PATCH v2 15/17] [atm] switch vcc_sendmsg() to copy_from_iter() · Al Viro <viro@ZenIV.linux.org.uk> · 2014-11-25
[PATCH v2 14/17] vmci_transport: switch ->enqeue_dgram, ->enqueue_stream and ->dequeue_stream to msghdr · Al Viro <viro@ZenIV.linux.org.uk> · 2014-11-25
[PATCH v2 13/17] tipc_msg_build(): pass msghdr instead of its ->msg_iov · Al Viro <viro@ZenIV.linux.org.uk> · 2014-11-25
[PATCH v2 12/17] tipc_sendmsg(): pass msghdr instead of its ->msg_iov · Al Viro <viro@ZenIV.linux.org.uk> · 2014-11-25
[PATCH v2 11/17] switch sctp_user_addto_chunk() and sctp_datamsg_from_user() to passing iov_iter · Al Viro <viro@ZenIV.linux.org.uk> · 2014-11-25
[PATCH v2 10/17] switch AF_PACKET and AF_UNIX to skb_copy_datagram_from_iter() · Al Viro <viro@ZenIV.linux.org.uk> · 2014-11-25
[PATCH v2 02/17] new helper: memcpy_from_msg() · Al Viro <viro@ZenIV.linux.org.uk> · 2014-11-25
[PATCH v2 08/17] {macvtap,tun}_get_user(): switch to iov_iter · Al Viro <viro@ZenIV.linux.org.uk> · 2014-11-25
Re: [PATCH v2 08/17] {macvtap,tun}_get_user(): switch to iov_iter · "Michael S. Tsirkin" <mst@redhat.com> · 2015-02-03
Re: [PATCH v2 08/17] {macvtap,tun}_get_user(): switch to iov_iter · Al Viro <viro@ZenIV.linux.org.uk> · 2015-02-03
Re: [PATCH v2 08/17] {macvtap,tun}_get_user(): switch to iov_iter · "Michael S. Tsirkin" <mst@redhat.com> · 2015-02-03
[PATCH v2 09/17] kill zerocopy_sg_from_iovec() · Al Viro <viro@ZenIV.linux.org.uk> · 2014-11-25
[PATCH v2 06/17] switch macvtap to ->read_iter() · Al Viro <viro@ZenIV.linux.org.uk> · 2014-11-25
[PATCH v2 05/17] switch drivers/net/tun.c to ->read_iter() · Al Viro <viro@ZenIV.linux.org.uk> · 2014-11-25
[PATCH v2 07/17] new helpers: skb_copy_datagram_from_iter() and zerocopy_sg_from_iter() · Al Viro <viro@ZenIV.linux.org.uk> · 2014-11-25
[PATCH v2 01/17] new helper: skb_copy_and_csum_datagram_msg() · Al Viro <viro@ZenIV.linux.org.uk> · 2014-11-25
Re: [PATCH v2 01/17] new helper: skb_copy_and_csum_datagram_msg() · David Miller <davem@davemloft.net> · 2014-11-25
Re: [PATCH v2 01/17] new helper: skb_copy_and_csum_datagram_msg() · Al Viro <viro@ZenIV.linux.org.uk> · 2014-11-25
Re: [PATCH v2 01/17] new helper: skb_copy_and_csum_datagram_msg() · David Miller <davem@davemloft.net> · 2014-11-26
the next chunk of iov_iter-net stuff for review · Al Viro <viro@ZenIV.linux.org.uk> · 2014-12-05
[PATCH 01/12] raw.c: stick msghdr into raw_frag_vec · Al Viro <viro@ZenIV.linux.org.uk> · 2014-12-05
[PATCH 02/12] ipv6 equivalent of "ipv4: Avoid reading user iov twice after raw_probe_proto_opt" · Al Viro <viro@ZenIV.linux.org.uk> · 2014-12-05
[PATCH 12/12] bury memcpy_toiovec() · Al Viro <viro@ZenIV.linux.org.uk> · 2014-12-05
[PATCH 11/12] skb_copy_datagram_iovec() can die · Al Viro <viro@ZenIV.linux.org.uk> · 2014-12-05
[PATCH 09/12] switch memcpy_to_msg() and skb_copy{,_and_csum}_datagram_msg() to primitives · Al Viro <viro@ZenIV.linux.org.uk> · 2014-12-05
[PATCH 07/12] put iov_iter into msghdr · Al Viro <viro@ZenIV.linux.org.uk> · 2014-12-05
[PATCH 08/12] first fruits - kill l2cap ->memcpy_fromiovec() · Al Viro <viro@ZenIV.linux.org.uk> · 2014-12-05
[PATCH 10/12] ppp_read(): switch to skb_copy_datagram_iter() · Al Viro <viro@ZenIV.linux.org.uk> · 2014-12-05
[PATCH 06/12] vmci: propagate msghdr all way down to __qp_memcpy_from_queue() · Al Viro <viro@ZenIV.linux.org.uk> · 2014-12-05
[PATCH 05/12] switch l2cap ->memcpy_fromiovec() to msghdr · Al Viro <viro@ZenIV.linux.org.uk> · 2014-12-05
[PATCH 04/12] switch tcp_sock->ucopy from iovec (ucopy.iov) to msghdr (ucopy.msg) · Al Viro <viro@ZenIV.linux.org.uk> · 2014-12-05
[PATCH 03/12] ip_generic_getfrag, udplite_getfrag: switch to passing msghdr · Al Viro <viro@ZenIV.linux.org.uk> · 2014-12-05
Re: the next chunk of iov_iter-net stuff for review · David Miller <davem@davemloft.net> · 2014-12-09
Re: the next chunk of iov_iter-net stuff for review · Al Viro <viro@ZenIV.linux.org.uk> · 2014-12-09
Re: the next chunk of iov_iter-net stuff for review · David Miller <davem@davemloft.net> · 2014-12-09
Re: the next chunk of iov_iter-net stuff for review · Al Viro <viro@ZenIV.linux.org.uk> · 2014-12-09
Re: the next chunk of iov_iter-net stuff for review · David Miller <davem@davemloft.net> · 2014-12-09
Re: the next chunk of iov_iter-net stuff for review · Al Viro <viro@ZenIV.linux.org.uk> · 2014-12-09
[PATCH 11/25] csum_and_copy_..._iter() · Al Viro <viro@ZenIV.linux.org.uk> · 2014-12-09
[PATCH 13/25] copy_from_iter_nocache() · Al Viro <viro@ZenIV.linux.org.uk> · 2014-12-09
[PATCH 12/25] new helper: iov_iter_kvec() · Al Viro <viro@ZenIV.linux.org.uk> · 2014-12-09
[PATCH 14/25] raw.c: stick msghdr into raw_frag_vec · Al Viro <viro@ZenIV.linux.org.uk> · 2014-12-09
[PATCH 10/25] iov_iter.c: handle ITER_KVEC directly · Al Viro <viro@ZenIV.linux.org.uk> · 2014-12-09
[PATCH 25/25] bury memcpy_toiovec() · Al Viro <viro@ZenIV.linux.org.uk> · 2014-12-09
[PATCH 24/25] skb_copy_datagram_iovec() can die · Al Viro <viro@ZenIV.linux.org.uk> · 2014-12-09
[PATCH 23/25] ppp_read(): switch to skb_copy_datagram_iter() · Al Viro <viro@ZenIV.linux.org.uk> · 2014-12-09
[PATCH 22/25] switch memcpy_to_msg() and skb_copy{,_and_csum}_datagram_msg() to primitives · Al Viro <viro@ZenIV.linux.org.uk> · 2014-12-09
[PATCH 20/25] put iov_iter into msghdr · Al Viro <viro@ZenIV.linux.org.uk> · 2014-12-09
[PATCH 21/25] first fruits - kill l2cap ->memcpy_fromiovec() · Al Viro <viro@ZenIV.linux.org.uk> · 2014-12-09
[PATCH 19/25] vmci: propagate msghdr all way down to __qp_memcpy_from_queue() · Al Viro <viro@ZenIV.linux.org.uk> · 2014-12-09
[PATCH 18/25] switch l2cap ->memcpy_fromiovec() to msghdr · Al Viro <viro@ZenIV.linux.org.uk> · 2014-12-09
[PATCH 17/25] switch tcp_sock->ucopy from iovec (ucopy.iov) to msghdr (ucopy.msg) · Al Viro <viro@ZenIV.linux.org.uk> · 2014-12-09
[PATCH 16/25] ip_generic_getfrag, udplite_getfrag: switch to passing msghdr · Al Viro <viro@ZenIV.linux.org.uk> · 2014-12-09
[PATCH 15/25] ipv6 equivalent of "ipv4: Avoid reading user iov twice after raw_probe_proto_opt" · Al Viro <viro@ZenIV.linux.org.uk> · 2014-12-09
[PATCH 09/25] iov_iter.c: convert copy_to_iter() to iterate_and_advance · Al Viro <viro@ZenIV.linux.org.uk> · 2014-12-09
[PATCH 08/25] iov_iter.c: convert copy_from_iter() to iterate_and_advance · Al Viro <viro@ZenIV.linux.org.uk> · 2014-12-09
[PATCH 07/25] iov_iter.c: get rid of bvec_copy_page_{to,from}_iter() · Al Viro <viro@ZenIV.linux.org.uk> · 2014-12-09
[PATCH 06/25] iov_iter.c: convert iov_iter_zero() to iterate_and_advance · Al Viro <viro@ZenIV.linux.org.uk> · 2014-12-09
[PATCH 05/25] iov_iter.c: convert iov_iter_get_pages_alloc() to iterate_all_kinds · Al Viro <viro@ZenIV.linux.org.uk> · 2014-12-09
[PATCH 04/25] iov_iter.c: convert iov_iter_get_pages() to iterate_all_kinds · Al Viro <viro@ZenIV.linux.org.uk> · 2014-12-09
[PATCH 03/25] iov_iter.c: convert iov_iter_npages() to iterate_all_kinds · Al Viro <viro@ZenIV.linux.org.uk> · 2014-12-09
[PATCH 01/25] iov_iter.c: macros for iterating over iov_iter · Al Viro <viro@ZenIV.linux.org.uk> · 2014-12-09
[PATCH 02/25] iov_iter.c: iterate_and_advance · Al Viro <viro@ZenIV.linux.org.uk> · 2014-12-09
Re: the next chunk of iov_iter-net stuff for review · Al Viro <viro@ZenIV.linux.org.uk> · 2014-12-09
Re: the next chunk of iov_iter-net stuff for review · David Miller <davem@davemloft.net> · 2014-12-10
Re: [RFC] situation with csum_and_copy_... API · Linus Torvalds <torvalds@linux-foundation.org> · 2014-11-22
Re: [RFC] situation with csum_and_copy_... API · Nicholas A. Bellinger <hidden> · 2014-11-21

Re: [RFC] situation with csum_and_copy_... API

From: Linus Torvalds <torvalds@linux-foundation.org>
Date: 2014-11-21 19:40:52
Also in: lkml

On Fri, Nov 21, 2014 at 11:39 AM, Al Viro [off-list ref] wrote:

I'm not at all sure that _anything_ has valid reasons for draining iovecs.
Maintaining a struct iov_iter and modifying it is easy and actually faster...

For new code, I agree. But the whole "draining iovec's" is a fairly
common old model.

                  Linus

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