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Message-ID: <20151119002120.GB537@swordfish>
Date: Thu, 19 Nov 2015 09:21:20 +0900
From: Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>
To: Sudeep Dutt <sudeep.dutt@...el.com>
Cc: Sergey Senozhatsky <sergey.senozhatsky@...il.com>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Dan Carpenter <dan.carpenter@...cle.com>,
linux-kernel@...r.kernel.org,
Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>
Subject: Re: [PATCH 1/3] misc:scif: do not define list_entry_next
On (11/18/15 08:17), Sudeep Dutt wrote:
> On Wed, 2015-11-18 at 21:10 +0900, Sergey Senozhatsky wrote:
> > Cosmetic.
> >
> > Do not define list_entry_next() and use list_next_entry()
> > from list.h.
> >
>
> Hi Sergey,
>
> A similar patch was posted @ https://lkml.org/lkml/2015/11/16/328
Oh, sorry for the noise then. thanks!
-ss
>
> Regards,
> Sudeep Dutt
>
> > Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@...il.com>
> > ---
> > drivers/misc/mic/scif/scif_dma.c | 27 +++++++++++----------------
> > drivers/misc/mic/scif/scif_main.h | 1 +
> > 2 files changed, 12 insertions(+), 16 deletions(-)
> >
> > diff --git a/drivers/misc/mic/scif/scif_dma.c b/drivers/misc/mic/scif/scif_dma.c
> > index 95a13c6..8804bcc 100644
> > --- a/drivers/misc/mic/scif/scif_dma.c
> > +++ b/drivers/misc/mic/scif/scif_dma.c
> > @@ -74,11 +74,6 @@ struct scif_copy_work {
> > bool ordered;
> > };
> >
> > -#ifndef list_entry_next
> > -#define list_entry_next(pos, member) \
> > - list_entry(pos->member.next, typeof(*pos), member)
> > -#endif
> > -
> > /**
> > * scif_reserve_dma_chan:
> > * @ep: Endpoint Descriptor.
> > @@ -851,7 +846,7 @@ static void scif_rma_local_cpu_copy(s64 offset, struct scif_window *window,
> > (window->nr_pages << PAGE_SHIFT);
> > while (rem_len) {
> > if (offset == end_offset) {
> > - window = list_entry_next(window, list);
> > + window = list_next_entry(window, list);
> > end_offset = window->offset +
> > (window->nr_pages << PAGE_SHIFT);
> > }
> > @@ -957,7 +952,7 @@ scif_rma_list_dma_copy_unaligned(struct scif_copy_work *work,
> > remaining_len -= tail_len;
> > while (remaining_len) {
> > if (offset == end_offset) {
> > - window = list_entry_next(window, list);
> > + window = list_next_entry(window, list);
> > end_offset = window->offset +
> > (window->nr_pages << PAGE_SHIFT);
> > }
> > @@ -1064,7 +1059,7 @@ scif_rma_list_dma_copy_unaligned(struct scif_copy_work *work,
> > }
> > if (tail_len) {
> > if (offset == end_offset) {
> > - window = list_entry_next(window, list);
> > + window = list_next_entry(window, list);
> > end_offset = window->offset +
> > (window->nr_pages << PAGE_SHIFT);
> > }
> > @@ -1147,13 +1142,13 @@ static int _scif_rma_list_dma_copy_aligned(struct scif_copy_work *work,
> > (dst_window->nr_pages << PAGE_SHIFT);
> > while (remaining_len) {
> > if (src_offset == end_src_offset) {
> > - src_window = list_entry_next(src_window, list);
> > + src_window = list_next_entry(src_window, list);
> > end_src_offset = src_window->offset +
> > (src_window->nr_pages << PAGE_SHIFT);
> > scif_init_window_iter(src_window, &src_win_iter);
> > }
> > if (dst_offset == end_dst_offset) {
> > - dst_window = list_entry_next(dst_window, list);
> > + dst_window = list_next_entry(dst_window, list);
> > end_dst_offset = dst_window->offset +
> > (dst_window->nr_pages << PAGE_SHIFT);
> > scif_init_window_iter(dst_window, &dst_win_iter);
> > @@ -1314,13 +1309,13 @@ static int scif_rma_list_dma_copy_aligned(struct scif_copy_work *work,
> > remaining_len -= tail_len;
> > while (remaining_len) {
> > if (src_offset == end_src_offset) {
> > - src_window = list_entry_next(src_window, list);
> > + src_window = list_next_entry(src_window, list);
> > end_src_offset = src_window->offset +
> > (src_window->nr_pages << PAGE_SHIFT);
> > scif_init_window_iter(src_window, &src_win_iter);
> > }
> > if (dst_offset == end_dst_offset) {
> > - dst_window = list_entry_next(dst_window, list);
> > + dst_window = list_next_entry(dst_window, list);
> > end_dst_offset = dst_window->offset +
> > (dst_window->nr_pages << PAGE_SHIFT);
> > scif_init_window_iter(dst_window, &dst_win_iter);
> > @@ -1405,9 +1400,9 @@ static int scif_rma_list_dma_copy_aligned(struct scif_copy_work *work,
> > if (remaining_len) {
> > loop_len = remaining_len;
> > if (src_offset == end_src_offset)
> > - src_window = list_entry_next(src_window, list);
> > + src_window = list_next_entry(src_window, list);
> > if (dst_offset == end_dst_offset)
> > - dst_window = list_entry_next(dst_window, list);
> > + dst_window = list_next_entry(dst_window, list);
> >
> > src_dma_addr = __scif_off_to_dma_addr(src_window, src_offset);
> > dst_dma_addr = __scif_off_to_dma_addr(dst_window, dst_offset);
> > @@ -1550,12 +1545,12 @@ static int scif_rma_list_cpu_copy(struct scif_copy_work *work)
> > end_dst_offset = dst_window->offset +
> > (dst_window->nr_pages << PAGE_SHIFT);
> > if (src_offset == end_src_offset) {
> > - src_window = list_entry_next(src_window, list);
> > + src_window = list_next_entry(src_window, list);
> > scif_init_window_iter(src_window,
> > &src_win_iter);
> > }
> > if (dst_offset == end_dst_offset) {
> > - dst_window = list_entry_next(dst_window, list);
> > + dst_window = list_next_entry(dst_window, list);
> > scif_init_window_iter(dst_window,
> > &dst_win_iter);
> > }
> > diff --git a/drivers/misc/mic/scif/scif_main.h b/drivers/misc/mic/scif/scif_main.h
> > index a08f0b6..9082f83 100644
> > --- a/drivers/misc/mic/scif/scif_main.h
> > +++ b/drivers/misc/mic/scif/scif_main.h
> > @@ -27,6 +27,7 @@
> > #include <linux/file.h>
> > #include <linux/vmalloc.h>
> > #include <linux/scif.h>
> > +#include <linux/list.h>
> > #include "../common/mic_dev.h"
> >
> > #define SCIF_MGMT_NODE 0
>
>
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