2015-11-18 12:12:24

by Sergey Senozhatsky

[permalink] [raw]
Subject: [PATCH 1/3] misc:scif: do not define list_entry_next

Cosmetic.

Do not define list_entry_next() and use list_next_entry()
from list.h.

Signed-off-by: Sergey Senozhatsky <[email protected]>
---
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
--
2.6.2.280.g74301d6


2015-11-18 16:20:52

by Dutt, Sudeep

[permalink] [raw]
Subject: Re: [PATCH 1/3] misc:scif: do not define list_entry_next

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

Regards,
Sudeep Dutt

> Signed-off-by: Sergey Senozhatsky <[email protected]>
> ---
> 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

2015-11-19 00:20:22

by Sergey Senozhatsky

[permalink] [raw]
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 <[email protected]>
> > ---
> > 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
>
>