[PATCH] treewide: fix semicolon.cocci warnings

2017-01-06 Thread kbuild test robot 
net/netfilter/x_tables.c:716:59-60: Unneeded semicolon


 Remove unneeded semicolon.

Generated by: scripts/coccinelle/misc/semicolon.cocci

Signed-off-by: Fengguang Wu 
---

 x_tables.c |2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/net/netfilter/x_tables.c
+++ b/net/netfilter/x_tables.c
@@ -713,7 +713,7 @@ EXPORT_SYMBOL(xt_check_entry_offsets);
 unsigned int *xt_alloc_entry_offsets(unsigned int size)
 {
if (size < (SIZE_MAX / sizeof(unsigned int)))
-   return kvmalloc(size * sizeof(unsigned int), GFP_KERNEL);;
+   return kvmalloc(size * sizeof(unsigned int), GFP_KERNEL);
 
return NULL;
 
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[PATCH nft 2/2] tests: shell: add maps tests

2017-01-06 Thread Elise Lennion 
Test adding elements to simple and interval maps.

Signed-off-by: Elise Lennion 
---
 .../testcases/maps/0003map_add_many_elements_0 | 61 
 .../testcases/maps/0004interval_map_create_once_0  | 60 
 .../maps/0005interval_map_add_many_elements_0  | 66 ++
 .../testcases/maps/0006interval_map_overlap_0  | 41 ++
 4 files changed, 228 insertions(+)
 create mode 100755 tests/shell/testcases/maps/0003map_add_many_elements_0
 create mode 100755 tests/shell/testcases/maps/0004interval_map_create_once_0
 create mode 100755 
tests/shell/testcases/maps/0005interval_map_add_many_elements_0
 create mode 100755 tests/shell/testcases/maps/0006interval_map_overlap_0

diff --git a/tests/shell/testcases/maps/0003map_add_many_elements_0 
b/tests/shell/testcases/maps/0003map_add_many_elements_0
new file mode 100755
index 000..a2233e3
--- /dev/null
+++ b/tests/shell/testcases/maps/0003map_add_many_elements_0
@@ -0,0 +1,61 @@
+#!/bin/bash
+
+# test adding many map elements
+
+HOWMANY=31
+
+tmpfile=$(mktemp)
+if [ ! -w $tmpfile ] ; then
+   echo "Failed to create tmp file" >&2
+   exit 0
+fi
+
+trap "rm -rf $tmpfile" EXIT # cleanup if aborted
+
+generate_add() {
+   echo -n "{"
+   for ((i=HOWMANY; i>=1; i--)) ; do
+   for ((j=HOWMANY; j>=1; j--)) ; do
+   [ "$i" == 1 ] && [ "$j" == 1 ] && break
+   echo -n "10.0.${i}.${j} : 10.0.${i}.${j}, "
+   done
+   done
+   echo -n "}"
+}
+
+generate_test() {
+   elements=""
+   for ((i=1; i<=HOWMANY; i++)) ; do
+   for ((j=1; j<=HOWMANY; j++)) ; do
+   elements="$elements 10.0.${i}.${j} : 10.0.${i}.${j}"
+   [ "$i" == "$HOWMANY" ] && [ "$j" == "$HOWMANY" ] && 
break
+   elements="${elements}, "
+   done
+   done
+   echo $elements
+}
+
+echo "add table x
+add map x y { type ipv4_addr : ipv4_addr; }
+add element x y $(generate_add)" > $tmpfile
+
+set -e
+$NFT -f $tmpfile
+
+n=$HOWMANY
+echo "add element x y { 10.0.1.1 : 10.0.1.1 }" > $tmpfile
+$NFT -f $tmpfile
+
+EXPECTED="table ip x {
+   map y {
+   type ipv4_addr : ipv4_addr
+   elements = { $(generate_test)}
+   }
+}"
+GET=$($NFT list ruleset)
+if [ "$EXPECTED" != "$GET" ] ; then
+   DIFF="$(which diff)"
+   [ -x $DIFF ] && $DIFF -u <(echo "$EXPECTED") <(echo "$GET")
+   exit 1
+fi
+
diff --git a/tests/shell/testcases/maps/0004interval_map_create_once_0 
b/tests/shell/testcases/maps/0004interval_map_create_once_0
new file mode 100755
index 000..7d4877e
--- /dev/null
+++ b/tests/shell/testcases/maps/0004interval_map_create_once_0
@@ -0,0 +1,60 @@
+#!/bin/bash
+
+# test adding many elements to an interval map
+# this always works because nft is only called once
+
+HOWMANY=63
+
+tmpfile=$(mktemp)
+if [ ! -w $tmpfile ] ; then
+   echo "Failed to create tmp file" >&2
+   exit 0
+fi
+
+trap "rm -rf $tmpfile" EXIT # cleanup if aborted
+
+generate_add() {
+   echo -n "{"
+   for ((i=1; i<=HOWMANY; i++)) ; do
+   for ((j=1; j<=HOWMANY; j++)) ; do
+   echo -n "10.${i}.${j}.0/24 : 10.0.${i}.${j}"
+   [ "$i" == "$HOWMANY" ] && [ "$j" == "$HOWMANY" ] && 
break
+   echo -n ", "
+   done
+   done
+   echo -n "}"
+}
+
+generate_test() {
+   elements=""
+   for ((i=1; i<=HOWMANY; i++)) ; do
+   for ((j=1; j<=HOWMANY; j++)) ; do
+   elements="$elements 10.${i}.${j}.0/24 : 10.0.${i}.${j}"
+   [ "$i" == "$HOWMANY" ] && [ "$j" == "$HOWMANY" ] && 
break
+   elements="${elements}, "
+   done
+   done
+   echo $elements
+}
+
+echo "add table x
+add map x y { type ipv4_addr : ipv4_addr; flags interval; }
+add element x y $(generate_add)" > $tmpfile
+
+set -e
+$NFT -f $tmpfile
+
+EXPECTED="table ip x {
+   map y {
+   type ipv4_addr : ipv4_addr
+   flags interval
+   elements = { $(generate_test)}
+   }
+}"
+GET=$($NFT list ruleset)
+if [ "$EXPECTED" != "$GET" ] ; then
+   DIFF="$(which diff)"
+   [ -x $DIFF ] && $DIFF -u <(echo "$EXPECTED") <(echo "$GET")
+   exit 1
+fi
+
diff --git a/tests/shell/testcases/maps/0005interval_map_add_many_elements_0 
b/tests/shell/testcases/maps/0005interval_map_add_many_elements_0
new file mode 100755
index 000..824f2c8
--- /dev/null
+++ b/tests/shell/testcases/maps/0005interval_map_add_many_elements_0
@@ -0,0 +1,66 @@
+#!/bin/bash
+
+# test adding many elements to an interval map
+# even with HOWMANY=2 there are memory allocation failures in the current
+# master - the patch fixes that
+# NOTE this is only an issue with two separate nft calls
+
+HOWMANY=2
+
+tmpfile=$(mktemp)
+if [ ! -w $tmpfile ] ; then
+   echo

[PATCH nft 1/2] src: sort set elements in netlink_get_setelems()

2017-01-06 Thread Elise Lennion 
So users can better track their ruleset via git.

Without sorting, the elements can be listed in a different order
every time the set is created, generating unnecessary git changes.

Mergesort is used. Doesn't sort sets with 'flags interval' set on.

Signed-off-by: Elise Lennion 
---
 include/expression.h |   1 +
 src/Makefile.am  |   1 +
 src/mergesort.c  | 100 +++
 src/netlink.c|   4 +++
 4 files changed, 106 insertions(+)
 create mode 100644 src/mergesort.c

diff --git a/include/expression.h b/include/expression.h
index 71e9c43..ec90265 100644
--- a/include/expression.h
+++ b/include/expression.h
@@ -396,6 +396,7 @@ extern struct expr *range_expr_alloc(const struct location 
*loc,
 
 extern void compound_expr_add(struct expr *compound, struct expr *expr);
 extern void compound_expr_remove(struct expr *compound, struct expr *expr);
+extern void list_expr_sort(struct list_head *head);
 
 extern struct expr *concat_expr_alloc(const struct location *loc);
 
diff --git a/src/Makefile.am b/src/Makefile.am
index 2a69e19..65cb4b4 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -53,6 +53,7 @@ nft_SOURCES = main.c  \
mnl.c   \
iface.c \
services.c  \
+   mergesort.c \
scanner.l   \
parser_bison.y
 
diff --git a/src/mergesort.c b/src/mergesort.c
new file mode 100644
index 000..a835320
--- /dev/null
+++ b/src/mergesort.c
@@ -0,0 +1,100 @@
+/*
+ * Copyright (c) 2017 Elise Lennion 
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include 
+#include 
+#include 
+#include 
+
+static int expr_msort_cmp(const struct expr *e1, const struct expr *e2);
+
+static int concat_expr_msort_cmp(const struct expr *e1, const struct expr *e2)
+{
+   struct list_head *l = (>expressions)->next;
+   const struct expr *i1, *i2;
+   int ret;
+
+   list_for_each_entry(i1, >expressions, list) {
+   i2 = list_entry(l, typeof(struct expr), list);
+
+   ret = expr_msort_cmp(i1, i2);
+   if (ret)
+   return ret;
+
+   l = l->next;
+   }
+
+   return false;
+}
+
+static int expr_msort_cmp(const struct expr *e1, const struct expr *e2)
+{
+   switch (e1->ops->type) {
+   case EXPR_SET_ELEM:
+   return expr_msort_cmp(e1->key, e2->key);
+   case EXPR_VALUE:
+   return mpz_cmp(e1->value, e2->value);
+   case EXPR_CONCAT:
+   return concat_expr_msort_cmp(e1, e2);
+   case EXPR_MAPPING:
+   return expr_msort_cmp(e1->left, e2->left);
+   default:
+   BUG("Unknown expression %s\n", e1->ops->name);
+   }
+}
+
+static void list_splice_sorted(struct list_head *list, struct list_head *head)
+{
+   struct list_head *h = head->next;
+   struct list_head *l = list->next;
+
+   while (l != list) {
+   if (h == head ||
+   expr_msort_cmp(list_entry(l, typeof(struct expr), list),
+  list_entry(h, typeof(struct expr), list)) < 
0) {
+   l = l->next;
+   list_add_tail(l->prev, h);
+   continue;
+   }
+
+   h = h->next;
+   }
+}
+
+static void list_cut_middle(struct list_head *list, struct list_head *head)
+{
+   struct list_head *s = head->next;
+   struct list_head *e = head->prev;
+
+   while (e != s) {
+   e = e->prev;
+
+   if (e != s)
+   s = s->next;
+   }
+
+   __list_cut_position(list, head, s);
+}
+
+void list_expr_sort(struct list_head *head)
+{
+   struct list_head *list;
+   LIST_HEAD(temp);
+
+   list = 
+
+   if (list_empty(head) || list_is_singular(head))
+   return;
+
+   list_cut_middle(list, head);
+
+   list_expr_sort(head);
+   list_expr_sort(list);
+
+   list_splice_sorted(list, head);
+}
diff --git a/src/netlink.c b/src/netlink.c
index 5f478ff..4135f25 100644
--- a/src/netlink.c
+++ b/src/netlink.c
@@ -1666,6 +1666,10 @@ int netlink_get_setelems(struct netlink_ctx *ctx, const 
struct handle *h,
ctx->set = set;
set->init = set_expr_alloc(loc);
nftnl_set_elem_foreach(nls, list_setelem_cb, ctx);
+
+   if (!(set->flags & NFT_SET_INTERVAL))
+   list_expr_sort(>set->init->expressions);
+
nftnl_set_free(nls);
ctx->set = NULL;
 
-- 
2.7.4

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Re: [PATCH v2 4/7] x86: put msr-index.h in uapi

2017-01-06 Thread Andy Shevchenko 
On Fri, Jan 6, 2017 at 11:43 AM, Nicolas Dichtel
 wrote:
> This header file is exported, thus move it to uapi.

Just hint for the future:
-M (move)
-C (copy)
-D (delete) [though this is NOT for applying]

-- 
With Best Regards,
Andy Shevchenko
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[PATCH v2 1/2] netfilter: use fwmark_reflect in nf_send_reset

2017-01-06 Thread Pau Espin Pedrol 
Otherwise, RST packets generated by ipt_REJECT always have mark 0 when
the routing is checked later in the same code path.

Fixes: e110861f8609 ("net: add a sysctl to reflect the fwmark on replies")
Cc: Lorenzo Colitti 
Signed-off-by: Pau Espin Pedrol 
---
 net/ipv4/netfilter/nf_reject_ipv4.c | 2 ++
 net/ipv6/netfilter/nf_reject_ipv6.c | 3 +++
 2 files changed, 5 insertions(+)

diff --git a/net/ipv4/netfilter/nf_reject_ipv4.c 
b/net/ipv4/netfilter/nf_reject_ipv4.c
index fd8220213afc..146d86105183 100644
--- a/net/ipv4/netfilter/nf_reject_ipv4.c
+++ b/net/ipv4/netfilter/nf_reject_ipv4.c
@@ -126,6 +126,8 @@ void nf_send_reset(struct net *net, struct sk_buff *oldskb, 
int hook)
/* ip_route_me_harder expects skb->dst to be set */
skb_dst_set_noref(nskb, skb_dst(oldskb));
 
+   nskb->mark = IP4_REPLY_MARK(net, oldskb->mark);
+
skb_reserve(nskb, LL_MAX_HEADER);
niph = nf_reject_iphdr_put(nskb, oldskb, IPPROTO_TCP,
   ip4_dst_hoplimit(skb_dst(nskb)));
diff --git a/net/ipv6/netfilter/nf_reject_ipv6.c 
b/net/ipv6/netfilter/nf_reject_ipv6.c
index 10090400c72f..eedee5d108d9 100644
--- a/net/ipv6/netfilter/nf_reject_ipv6.c
+++ b/net/ipv6/netfilter/nf_reject_ipv6.c
@@ -157,6 +157,7 @@ void nf_send_reset6(struct net *net, struct sk_buff 
*oldskb, int hook)
fl6.fl6_sport = otcph->dest;
fl6.fl6_dport = otcph->source;
fl6.flowi6_oif = l3mdev_master_ifindex(skb_dst(oldskb)->dev);
+   fl6.flowi6_mark = IP6_REPLY_MARK(net, oldskb->mark);
security_skb_classify_flow(oldskb, flowi6_to_flowi());
dst = ip6_route_output(net, NULL, );
if (dst->error) {
@@ -180,6 +181,8 @@ void nf_send_reset6(struct net *net, struct sk_buff 
*oldskb, int hook)
 
skb_dst_set(nskb, dst);
 
+   nskb->mark = fl6.flowi6_mark;
+
skb_reserve(nskb, hh_len + dst->header_len);
ip6h = nf_reject_ip6hdr_put(nskb, oldskb, IPPROTO_TCP,
ip6_dst_hoplimit(dst));
-- 
2.11.0


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[PATCH v2 2/2] tcp: fix mark propagation with fwmark_reflect enabled

2017-01-06 Thread Pau Espin Pedrol 
From: Pau Espin Pedrol 

Otherwise, RST packets generated by the TCP stack for non-existing
sockets always have mark 0.
The mark from the original packet is assigned to the netns_ipv4/6
socket used to send the response so that it can get copied into the
response skb when the socket sends it.

Fixes: e110861f8609 ("net: add a sysctl to reflect the fwmark on replies")
Cc: Lorenzo Colitti 
Signed-off-by: Pau Espin Pedrol 
---
 net/ipv4/ip_output.c | 1 +
 net/ipv6/tcp_ipv6.c  | 1 +
 2 files changed, 2 insertions(+)

diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index fac275c48108..b67719f45953 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -1629,6 +1629,7 @@ void ip_send_unicast_reply(struct sock *sk, struct 
sk_buff *skb,
sk->sk_protocol = ip_hdr(skb)->protocol;
sk->sk_bound_dev_if = arg->bound_dev_if;
sk->sk_sndbuf = sysctl_wmem_default;
+   sk->sk_mark = fl4.flowi4_mark;
err = ip_append_data(sk, , ip_reply_glue_bits, arg->iov->iov_base,
 len, 0, , , MSG_DONTWAIT);
if (unlikely(err)) {
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 73bc8fc68acd..2b20622a5824 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -840,6 +840,7 @@ static void tcp_v6_send_response(const struct sock *sk, 
struct sk_buff *skb, u32
dst = ip6_dst_lookup_flow(ctl_sk, , NULL);
if (!IS_ERR(dst)) {
skb_dst_set(buff, dst);
+   ctl_sk->sk_mark = fl6.flowi6_mark;
ip6_xmit(ctl_sk, buff, , NULL, tclass);
TCP_INC_STATS(net, TCP_MIB_OUTSEGS);
if (rst)
-- 
2.11.0


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Re: [PATCH v2 4/7] x86: put msr-index.h in uapi

2017-01-06 Thread Borislav Petkov 
On Fri, Jan 06, 2017 at 10:43:56AM +0100, Nicolas Dichtel wrote:
> This header file is exported, thus move it to uapi.

It should rather not be exported - please remove it from
arch/x86/include/uapi/asm/Kbuild instead.

Thanks.

-- 
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Boris.

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[PATCH v2 7/7] uapi: export all headers under uapi directories

2017-01-06 Thread Nicolas Dichtel 
Regularly, when a new header is created in include/uapi/, the developer
forgets to add it in the corresponding Kbuild file. This error is usually
detected after the release is out.

In fact, all headers under uapi directories should be exported, thus it's
useless to have an exhaustive list.

After this patch, the following files, which were not exported, are now
exported (with make headers_install_all):
asm-unicore32/shmparam.h
asm-unicore32/ucontext.h
asm-hexagon/shmparam.h
asm-mips/ucontext.h
asm-mips/hwcap.h
asm-mips/reg.h
drm/vgem_drm.h
drm/armada_drm.h
drm/omap_drm.h
drm/etnaviv_drm.h
asm-tile/shmparam.h
asm-blackfin/shmparam.h
asm-blackfin/ucontext.h
asm-powerpc/perf_regs.h
rdma/qedr-abi.h
asm-parisc/kvm_para.h
asm-openrisc/shmparam.h
asm-nios2/kvm_para.h
asm-nios2/ucontext.h
asm-sh/kvm_para.h
asm-sh/ucontext.h
asm-xtensa/kvm_para.h
asm-avr32/kvm_para.h
asm-m32r/kvm_para.h
asm-h8300/shmparam.h
asm-h8300/ucontext.h
asm-metag/kvm_para.h
asm-metag/shmparam.h
asm-metag/ucontext.h
asm-m68k/kvm_para.h
asm-m68k/shmparam.h
linux/bcache.h
linux/kvm.h
linux/kvm_para.h
linux/kfd_ioctl.h
linux/cryptouser.h
linux/kcm.h
linux/kcov.h
linux/seg6_iptunnel.h
linux/stm.h
linux/genwqe
linux/genwqe/.install
linux/genwqe/genwqe_card.h
linux/genwqe/..install.cmd
linux/seg6.h
linux/cifs
linux/cifs/.install
linux/cifs/cifs_mount.h
linux/cifs/..install.cmd
linux/auto_dev-ioctl.h

Thanks to Julien Floret  for the tip to get all
subdirs with a pure makefile command.

Signed-off-by: Nicolas Dichtel 
---
 Documentation/kbuild/makefiles.txt  |  41 ++-
 arch/alpha/include/uapi/asm/Kbuild  |  41 ---
 arch/arc/include/uapi/asm/Kbuild|   3 -
 arch/arm/include/uapi/asm/Kbuild|  17 -
 arch/arm64/include/uapi/asm/Kbuild  |  18 --
 arch/avr32/include/uapi/asm/Kbuild  |  20 --
 arch/blackfin/include/uapi/asm/Kbuild   |  17 -
 arch/c6x/include/uapi/asm/Kbuild|   8 -
 arch/cris/include/uapi/arch-v10/arch/Kbuild |   5 -
 arch/cris/include/uapi/arch-v32/arch/Kbuild |   3 -
 arch/cris/include/uapi/asm/Kbuild   |  43 +--
 arch/frv/include/uapi/asm/Kbuild|  33 --
 arch/h8300/include/uapi/asm/Kbuild  |  28 --
 arch/hexagon/include/asm/Kbuild |   3 -
 arch/hexagon/include/uapi/asm/Kbuild|  13 -
 arch/ia64/include/uapi/asm/Kbuild   |  45 ---
 arch/m32r/include/uapi/asm/Kbuild   |  31 --
 arch/m68k/include/uapi/asm/Kbuild   |  24 --
 arch/metag/include/uapi/asm/Kbuild  |   8 -
 arch/microblaze/include/uapi/asm/Kbuild |  32 --
 arch/mips/include/uapi/asm/Kbuild   |  37 ---
 arch/mn10300/include/uapi/asm/Kbuild|  32 --
 arch/nios2/include/uapi/asm/Kbuild  |   4 +-
 arch/openrisc/include/asm/Kbuild|   3 -
 arch/openrisc/include/uapi/asm/Kbuild   |   8 -
 arch/parisc/include/uapi/asm/Kbuild |  28 --
 arch/powerpc/include/uapi/asm/Kbuild|  45 ---
 arch/s390/include/uapi/asm/Kbuild   |  52 ---
 arch/score/include/asm/Kbuild   |   4 -
 arch/score/include/uapi/asm/Kbuild  |  32 --
 arch/sh/include/uapi/asm/Kbuild |  23 --
 arch/sparc/include/uapi/asm/Kbuild  |  48 ---
 arch/tile/include/asm/Kbuild|   3 -
 arch/tile/include/uapi/arch/Kbuild  |  17 -
 arch/tile/include/uapi/asm/Kbuild   |  19 +-
 arch/unicore32/include/uapi/asm/Kbuild  |   6 -
 arch/x86/include/uapi/asm/Kbuild|  59 
 arch/xtensa/include/uapi/asm/Kbuild |  23 --
 include/Kbuild  |   2 -
 include/asm-generic/Kbuild.asm  |   1 -
 include/scsi/fc/Kbuild  |   0
 include/uapi/Kbuild |  15 -
 include/uapi/asm-generic/Kbuild |  36 ---
 include/uapi/asm-generic/Kbuild.asm |  62 ++--
 include/uapi/drm/Kbuild |  22 --
 include/uapi/linux/Kbuild   | 482 
 include/uapi/linux/android/Kbuild   |   2 -
 include/uapi/linux/byteorder/Kbuild |   3 -
 include/uapi/linux/caif/Kbuild  |   3 -
 include/uapi/linux/can/Kbuild   |   6 -
 include/uapi/linux/dvb/Kbuild   |   9 -
 include/uapi/linux/hdlc/Kbuild  |   2 -
 include/uapi/linux/hsi/Kbuild   |   2 -
 include/uapi/linux/iio/Kbuild   |   3 -
 include/uapi/linux/isdn/Kbuild  |   2 -
 include/uapi/linux/mmc/Kbuild   |   2 -
 include/uapi/linux/netfilter/Kbuild |  89 -
 include/uapi/linux/netfilter/ipset/Kbuild   |   5 -
 include/uapi/linux/netfilter_arp/Kbuild |   3 -
 include/uapi/linux/netfilter_bridge/Kbuild  |  18 --
 include/uapi/linux/netfilter_ipv4/Kbuild|  10 -
 include/uapi/linux/netfilter_ipv6/Kbuild|  13 -
 include/uapi/linux/nfsd/Kbuild  |   6 -
 include/uapi/linux/raid/Kbuild

[PATCH v2 2/7] h8300: put bitsperlong.h in uapi

2017-01-06 Thread Nicolas Dichtel 
This header file is exported, thus move it to uapi.

Signed-off-by: Nicolas Dichtel 
---
 arch/h8300/include/asm/bitsperlong.h  | 10 +-
 arch/h8300/include/uapi/asm/bitsperlong.h | 14 ++
 2 files changed, 15 insertions(+), 9 deletions(-)
 create mode 100644 arch/h8300/include/uapi/asm/bitsperlong.h

diff --git a/arch/h8300/include/asm/bitsperlong.h 
b/arch/h8300/include/asm/bitsperlong.h
index e140e46729ac..c0a8e2ee531e 100644
--- a/arch/h8300/include/asm/bitsperlong.h
+++ b/arch/h8300/include/asm/bitsperlong.h
@@ -1,14 +1,6 @@
 #ifndef __ASM_H8300_BITS_PER_LONG
 #define __ASM_H8300_BITS_PER_LONG
 
-#include 
-
-#if !defined(__ASSEMBLY__)
-/* h8300-unknown-linux required long */
-#define __kernel_size_t __kernel_size_t
-typedef unsigned long  __kernel_size_t;
-typedef long   __kernel_ssize_t;
-typedef long   __kernel_ptrdiff_t;
-#endif
+#include 
 
 #endif /* __ASM_H8300_BITS_PER_LONG */
diff --git a/arch/h8300/include/uapi/asm/bitsperlong.h 
b/arch/h8300/include/uapi/asm/bitsperlong.h
new file mode 100644
index ..e56cf72369b6
--- /dev/null
+++ b/arch/h8300/include/uapi/asm/bitsperlong.h
@@ -0,0 +1,14 @@
+#ifndef _UAPI_ASM_H8300_BITS_PER_LONG
+#define _UAPI_ASM_H8300_BITS_PER_LONG
+
+#include 
+
+#if !defined(__ASSEMBLY__)
+/* h8300-unknown-linux required long */
+#define __kernel_size_t __kernel_size_t
+typedef unsigned long  __kernel_size_t;
+typedef long   __kernel_ssize_t;
+typedef long   __kernel_ptrdiff_t;
+#endif
+
+#endif /* _UAPI_ASM_H8300_BITS_PER_LONG */
-- 
2.8.1

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[PATCH v2 6/7] Makefile.headersinst: remove destination-y option

2017-01-06 Thread Nicolas Dichtel 
This option was added in commit c7bb349e7c25 ("kbuild: introduce destination-y
for exported headers") but never used in-tree.

Signed-off-by: Nicolas Dichtel 
---
 Documentation/kbuild/makefiles.txt | 23 ---
 scripts/Makefile.headersinst   |  2 +-
 2 files changed, 5 insertions(+), 20 deletions(-)

diff --git a/Documentation/kbuild/makefiles.txt 
b/Documentation/kbuild/makefiles.txt
index 9b9c4797fc55..37b525d329ae 100644
--- a/Documentation/kbuild/makefiles.txt
+++ b/Documentation/kbuild/makefiles.txt
@@ -46,9 +46,8 @@ This document describes the Linux kernel Makefiles.
=== 7 Kbuild syntax for exported headers
--- 7.1 header-y
--- 7.2 genhdr-y
-   --- 7.3 destination-y
-   --- 7.4 generic-y
-   --- 7.5 generated-y
+   --- 7.3 generic-y
+   --- 7.4 generated-y
 
=== 8 Kbuild Variables
=== 9 Makefile language
@@ -1295,21 +1294,7 @@ See subsequent chapter for the syntax of the Kbuild file.
#include/linux/Kbuild
genhdr-y += version.h
 
-   --- 7.3 destination-y
-
-   When an architecture has a set of exported headers that needs to be
-   exported to a different directory destination-y is used.
-   destination-y specifies the destination directory for all exported
-   headers in the file where it is present.
-
-   Example:
-   #arch/xtensa/platforms/s6105/include/platform/Kbuild
-   destination-y := include/linux
-
-   In the example above all exported headers in the Kbuild file
-   will be located in the directory "include/linux" when exported.
-
-   --- 7.4 generic-y
+   --- 7.3 generic-y
 
If an architecture uses a verbatim copy of a header from
include/asm-generic then this is listed in the file
@@ -1336,7 +1321,7 @@ See subsequent chapter for the syntax of the Kbuild file.
Example: termios.h
#include 
 
-   --- 7.5 generated-y
+   --- 7.4 generated-y
 
If an architecture generates other header files alongside generic-y
wrappers, and not included in genhdr-y, then generated-y specifies
diff --git a/scripts/Makefile.headersinst b/scripts/Makefile.headersinst
index 3e20d03432d2..876b42cfede4 100644
--- a/scripts/Makefile.headersinst
+++ b/scripts/Makefile.headersinst
@@ -14,7 +14,7 @@ kbuild-file := $(srctree)/$(obj)/Kbuild
 include $(kbuild-file)
 
 # called may set destination dir (when installing to asm/)
-_dst := $(if $(destination-y),$(destination-y),$(if $(dst),$(dst),$(obj)))
+_dst := $(if $(dst),$(dst),$(obj))
 
 old-kbuild-file := $(srctree)/$(subst uapi/,,$(obj))/Kbuild
 ifneq ($(wildcard $(old-kbuild-file)),)
-- 
2.8.1

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[PATCH v2 3/7] nios2: put setup.h in uapi

2017-01-06 Thread Nicolas Dichtel 
This header file is exported, thus move it to uapi.

Signed-off-by: Nicolas Dichtel 
---
 arch/nios2/include/asm/setup.h  | 2 +-
 arch/nios2/include/uapi/asm/setup.h | 6 ++
 2 files changed, 7 insertions(+), 1 deletion(-)
 create mode 100644 arch/nios2/include/uapi/asm/setup.h

diff --git a/arch/nios2/include/asm/setup.h b/arch/nios2/include/asm/setup.h
index dcbf8cf1a344..d49e9e91bf55 100644
--- a/arch/nios2/include/asm/setup.h
+++ b/arch/nios2/include/asm/setup.h
@@ -19,7 +19,7 @@
 #ifndef _ASM_NIOS2_SETUP_H
 #define _ASM_NIOS2_SETUP_H
 
-#include 
+#include 
 
 #ifndef __ASSEMBLY__
 #ifdef __KERNEL__
diff --git a/arch/nios2/include/uapi/asm/setup.h 
b/arch/nios2/include/uapi/asm/setup.h
new file mode 100644
index ..8d8285997ba8
--- /dev/null
+++ b/arch/nios2/include/uapi/asm/setup.h
@@ -0,0 +1,6 @@
+#ifndef _UAPI_ASM_NIOS2_SETUP_H
+#define _UAPI_ASM_NIOS2_SETUP_H
+
+#include 
+
+#endif /* _UAPI_ASM_NIOS2_SETUP_H */
-- 
2.8.1

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[PATCH v2 4/7] x86: put msr-index.h in uapi

2017-01-06 Thread Nicolas Dichtel 
This header file is exported, thus move it to uapi.

Signed-off-by: Nicolas Dichtel 
---
 arch/x86/include/asm/msr-index.h  | 694 +
 arch/x86/include/uapi/asm/msr-index.h | 698 ++
 2 files changed, 699 insertions(+), 693 deletions(-)
 create mode 100644 arch/x86/include/uapi/asm/msr-index.h

diff --git a/arch/x86/include/asm/msr-index.h b/arch/x86/include/asm/msr-index.h
index 710273c617b8..1baa0628da74 100644
--- a/arch/x86/include/asm/msr-index.h
+++ b/arch/x86/include/asm/msr-index.h
@@ -1,698 +1,6 @@
 #ifndef _ASM_X86_MSR_INDEX_H
 #define _ASM_X86_MSR_INDEX_H
 
-/*
- * CPU model specific register (MSR) numbers.
- *
- * Do not add new entries to this file unless the definitions are shared
- * between multiple compilation units.
- */
-
-/* x86-64 specific MSRs */
-#define MSR_EFER   0xc080 /* extended feature register */
-#define MSR_STAR   0xc081 /* legacy mode SYSCALL target */
-#define MSR_LSTAR  0xc082 /* long mode SYSCALL target */
-#define MSR_CSTAR  0xc083 /* compat mode SYSCALL target */
-#define MSR_SYSCALL_MASK   0xc084 /* EFLAGS mask for syscall */
-#define MSR_FS_BASE0xc100 /* 64bit FS base */
-#define MSR_GS_BASE0xc101 /* 64bit GS base */
-#define MSR_KERNEL_GS_BASE 0xc102 /* SwapGS GS shadow */
-#define MSR_TSC_AUX0xc103 /* Auxiliary TSC */
-
-/* EFER bits: */
-#define _EFER_SCE  0  /* SYSCALL/SYSRET */
-#define _EFER_LME  8  /* Long mode enable */
-#define _EFER_LMA  10 /* Long mode active (read-only) */
-#define _EFER_NX   11 /* No execute enable */
-#define _EFER_SVME 12 /* Enable virtualization */
-#define _EFER_LMSLE13 /* Long Mode Segment Limit Enable */
-#define _EFER_FFXSR14 /* Enable Fast FXSAVE/FXRSTOR */
-
-#define EFER_SCE   (1<<_EFER_SCE)
-#define EFER_LME   (1<<_EFER_LME)
-#define EFER_LMA   (1<<_EFER_LMA)
-#define EFER_NX(1<<_EFER_NX)
-#define EFER_SVME  (1<<_EFER_SVME)
-#define EFER_LMSLE (1<<_EFER_LMSLE)
-#define EFER_FFXSR (1<<_EFER_FFXSR)
-
-/* Intel MSRs. Some also available on other CPUs */
-
-#define MSR_PPIN_CTL   0x004e
-#define MSR_PPIN   0x004f
-
-#define MSR_IA32_PERFCTR0  0x00c1
-#define MSR_IA32_PERFCTR1  0x00c2
-#define MSR_FSB_FREQ   0x00cd
-#define MSR_PLATFORM_INFO  0x00ce
-
-#define MSR_NHM_SNB_PKG_CST_CFG_CTL0x00e2
-#define NHM_C3_AUTO_DEMOTE (1UL << 25)
-#define NHM_C1_AUTO_DEMOTE (1UL << 26)
-#define ATM_LNC_C6_AUTO_DEMOTE (1UL << 25)
-#define SNB_C1_AUTO_UNDEMOTE   (1UL << 27)
-#define SNB_C3_AUTO_UNDEMOTE   (1UL << 28)
-
-#define MSR_MTRRcap0x00fe
-#define MSR_IA32_BBL_CR_CTL0x0119
-#define MSR_IA32_BBL_CR_CTL3   0x011e
-
-#define MSR_IA32_SYSENTER_CS   0x0174
-#define MSR_IA32_SYSENTER_ESP  0x0175
-#define MSR_IA32_SYSENTER_EIP  0x0176
-
-#define MSR_IA32_MCG_CAP   0x0179
-#define MSR_IA32_MCG_STATUS0x017a
-#define MSR_IA32_MCG_CTL   0x017b
-#define MSR_IA32_MCG_EXT_CTL   0x04d0
-
-#define MSR_OFFCORE_RSP_0  0x01a6
-#define MSR_OFFCORE_RSP_1  0x01a7
-#define MSR_TURBO_RATIO_LIMIT  0x01ad
-#define MSR_TURBO_RATIO_LIMIT1 0x01ae
-#define MSR_TURBO_RATIO_LIMIT2 0x01af
-
-#define MSR_LBR_SELECT 0x01c8
-#define MSR_LBR_TOS0x01c9
-#define MSR_LBR_NHM_FROM   0x0680
-#define MSR_LBR_NHM_TO 0x06c0
-#define MSR_LBR_CORE_FROM  0x0040
-#define MSR_LBR_CORE_TO0x0060
-
-#define MSR_LBR_INFO_0 0x0dc0 /* ... 0xddf for _31 */
-#define LBR_INFO_MISPRED   BIT_ULL(63)
-#define LBR_INFO_IN_TX BIT_ULL(62)
-#define LBR_INFO_ABORT BIT_ULL(61)
-#define LBR_INFO_CYCLES0x
-
-#define MSR_IA32_PEBS_ENABLE   0x03f1
-#define MSR_IA32_DS_AREA   0x0600
-#define MSR_IA32_PERF_CAPABILITIES 0x0345
-#define MSR_PEBS_LD_LAT_THRESHOLD  0x03f6
-
-#define MSR_IA32_RTIT_CTL  0x0570
-#define MSR_IA32_RTIT_STATUS   0x0571
-#define MSR_IA32_RTIT_ADDR0_A  0x0580
-#define MSR_IA32_RTIT_ADDR0_B  0x0581
-#define MSR_IA32_RTIT_ADDR1_A  0x0582
-#define MSR_IA32_RTIT_ADDR1_B  0x0583
-#define MSR_IA32_RTIT_ADDR2_A  0x0584
-#define MSR_IA32_RTIT_ADDR2_B  0x0585
-#define

[PATCH v2 1/7] arm: put types.h in uapi

2017-01-06 Thread Nicolas Dichtel 
This header file is exported, thus move it to uapi.

Signed-off-by: Nicolas Dichtel 
---
 arch/arm/include/asm/types.h  | 36 +--
 arch/arm/include/uapi/asm/types.h | 40 +++
 2 files changed, 41 insertions(+), 35 deletions(-)
 create mode 100644 arch/arm/include/uapi/asm/types.h

diff --git a/arch/arm/include/asm/types.h b/arch/arm/include/asm/types.h
index a53cdb8f068c..c48fee3d7b3b 100644
--- a/arch/arm/include/asm/types.h
+++ b/arch/arm/include/asm/types.h
@@ -1,40 +1,6 @@
 #ifndef _ASM_TYPES_H
 #define _ASM_TYPES_H
 
-#include 
-
-/*
- * The C99 types uintXX_t that are usually defined in 'stdint.h' are not as
- * unambiguous on ARM as you would expect. For the types below, there is a
- * difference on ARM between GCC built for bare metal ARM, GCC built for glibc
- * and the kernel itself, which results in build errors if you try to build 
with
- * -ffreestanding and include 'stdint.h' (such as when you include 'arm_neon.h'
- * in order to use NEON intrinsics)
- *
- * As the typedefs for these types in 'stdint.h' are based on builtin defines
- * supplied by GCC, we can tweak these to align with the kernel's idea of those
- * types, so 'linux/types.h' and 'stdint.h' can be safely included from the 
same
- * source file (provided that -ffreestanding is used).
- *
- *int32_t uint32_t   uintptr_t
- * bare metal GCC longunsigned long  unsigned int
- * glibc GCC  int unsigned int   unsigned int
- * kernel int unsigned int   unsigned long
- */
-
-#ifdef __INT32_TYPE__
-#undef __INT32_TYPE__
-#define __INT32_TYPE__ int
-#endif
-
-#ifdef __UINT32_TYPE__
-#undef __UINT32_TYPE__
-#define __UINT32_TYPE__unsigned int
-#endif
-
-#ifdef __UINTPTR_TYPE__
-#undef __UINTPTR_TYPE__
-#define __UINTPTR_TYPE__   unsigned long
-#endif
+#include 
 
 #endif /* _ASM_TYPES_H */
diff --git a/arch/arm/include/uapi/asm/types.h 
b/arch/arm/include/uapi/asm/types.h
new file mode 100644
index ..9435a42f575e
--- /dev/null
+++ b/arch/arm/include/uapi/asm/types.h
@@ -0,0 +1,40 @@
+#ifndef _UAPI_ASM_TYPES_H
+#define _UAPI_ASM_TYPES_H
+
+#include 
+
+/*
+ * The C99 types uintXX_t that are usually defined in 'stdint.h' are not as
+ * unambiguous on ARM as you would expect. For the types below, there is a
+ * difference on ARM between GCC built for bare metal ARM, GCC built for glibc
+ * and the kernel itself, which results in build errors if you try to build 
with
+ * -ffreestanding and include 'stdint.h' (such as when you include 'arm_neon.h'
+ * in order to use NEON intrinsics)
+ *
+ * As the typedefs for these types in 'stdint.h' are based on builtin defines
+ * supplied by GCC, we can tweak these to align with the kernel's idea of those
+ * types, so 'linux/types.h' and 'stdint.h' can be safely included from the 
same
+ * source file (provided that -ffreestanding is used).
+ *
+ *int32_t uint32_t   uintptr_t
+ * bare metal GCC longunsigned long  unsigned int
+ * glibc GCC  int unsigned int   unsigned int
+ * kernel int unsigned int   unsigned long
+ */
+
+#ifdef __INT32_TYPE__
+#undef __INT32_TYPE__
+#define __INT32_TYPE__ int
+#endif
+
+#ifdef __UINT32_TYPE__
+#undef __UINT32_TYPE__
+#define __UINT32_TYPE__unsigned int
+#endif
+
+#ifdef __UINTPTR_TYPE__
+#undef __UINTPTR_TYPE__
+#define __UINTPTR_TYPE__   unsigned long
+#endif
+
+#endif /* _UAPI_ASM_TYPES_H */
-- 
2.8.1

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[PATCH v2 5/7] Makefile.headersinst: cleanup input files

2017-01-06 Thread Nicolas Dichtel 
After the last four patches, all exported headers are under uapi/, thus
input-files2 are not needed anymore.
The side effect is that input-files1-name is exactly header-y.

Note also that unput-files3-name is genhdr-y.

Signed-off-by: Nicolas Dichtel 
---
 scripts/Makefile.headersinst | 34 +++---
 1 file changed, 11 insertions(+), 23 deletions(-)

diff --git a/scripts/Makefile.headersinst b/scripts/Makefile.headersinst
index 1106d6ca3a38..3e20d03432d2 100644
--- a/scripts/Makefile.headersinst
+++ b/scripts/Makefile.headersinst
@@ -40,31 +40,20 @@ wrapper-files := $(filter $(header-y), $(generic-y))
 srcdir:= $(srctree)/$(obj)
 gendir:= $(objtree)/$(gen)
 
-oldsrcdir := $(srctree)/$(subst /uapi,,$(obj))
-
 # all headers files for this dir
 header-y  := $(filter-out $(generic-y), $(header-y))
 all-files := $(header-y) $(genhdr-y) $(wrapper-files)
 output-files  := $(addprefix $(installdir)/, $(all-files))
 
-input-files1  := $(foreach hdr, $(header-y), \
-  $(if $(wildcard $(srcdir)/$(hdr)), \
-   $(wildcard $(srcdir)/$(hdr))) \
-  )
-input-files1-name := $(notdir $(input-files1))
-input-files2  := $(foreach hdr, $(header-y), \
-  $(if  $(wildcard $(srcdir)/$(hdr)),, \
-   $(if $(wildcard $(oldsrcdir)/$(hdr)), \
-   $(wildcard $(oldsrcdir)/$(hdr)), \
-   $(error Missing UAPI file $(srcdir)/$(hdr))) \
-  ))
-input-files2-name := $(notdir $(input-files2))
-input-files3  := $(foreach hdr, $(genhdr-y), \
-  $(if $(wildcard $(gendir)/$(hdr)), \
-   $(wildcard $(gendir)/$(hdr)), \
-   $(error Missing generated UAPI file $(gendir)/$(hdr)) \
-  ))
-input-files3-name := $(notdir $(input-files3))
+# Check that all expected files exist
+$(foreach hdr, $(header-y), \
+  $(if $(wildcard $(srcdir)/$(hdr)),, \
+   $(error Missing UAPI file $(srcdir)/$(hdr)) \
+   ))
+$(foreach hdr, $(genhdr-y), \
+  $(if $(wildcard $(gendir)/$(hdr)),, \
+   $(error Missing generated UAPI file $(gendir)/$(hdr)) \
+  ))
 
 # Work out what needs to be removed
 oldheaders:= $(patsubst $(installdir)/%,%,$(wildcard $(installdir)/*.h))
@@ -78,9 +67,8 @@ printdir = $(patsubst $(INSTALL_HDR_PATH)/%/,%,$(dir $@))
 quiet_cmd_install = INSTALL $(printdir) ($(words $(all-files))\
 file$(if $(word 2, $(all-files)),s))
   cmd_install = \
-$(CONFIG_SHELL) $< $(installdir) $(srcdir) $(input-files1-name); \
-$(CONFIG_SHELL) $< $(installdir) $(oldsrcdir) $(input-files2-name); \
-$(CONFIG_SHELL) $< $(installdir) $(gendir) $(input-files3-name); \
+$(CONFIG_SHELL) $< $(installdir) $(srcdir) $(header-y); \
+$(CONFIG_SHELL) $< $(installdir) $(gendir) $(genhdr-y); \
 for F in $(wrapper-files); do   \
 echo "\#include " > $(installdir)/$$F;\
 done;   \
-- 
2.8.1

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[PATCH v2 0/7] uapi: export all headers under uapi directories

2017-01-06 Thread Nicolas Dichtel 

Here is the v2 of this series. The first 5 patches are just cleanup: some
exported headers were still under a non-uapi directory.
The patch 6 was spotted by code review: there is no in-tree user of this
functionality.
The last patch remove the use of header-y. Now all files under an uapi
directory are exported.

asm is a bit special, most of architectures export asm//include/uapi/asm
only, but there is two exceptions:
 - cris which exports arch/cris/include/uapi/arch-v[10|32];
 - tile which exports arch/tile/include/uapi/arch.
Because I don't know if the output of 'make headers_install_all' can be changed,
I introduce subdir-y in Kbuild file. The headers_install_all target copies all
asm//include/uapi/asm to usr/include/asm- but
arch/cris/include/uapi/arch-v[10|32] and arch/tile/include/uapi/arch are not
prefixed (they are put asis in usr/include/). If it's acceptable to modify the
output of 'make headers_install_all' to export asm headers in
usr/include/asm-/asm, then I could remove this new subdir-y and exports
everything under arch//include/uapi/.

Note also that exported files for asm are a mix of files listed by:
 - include/uapi/asm-generic/Kbuild.asm;
 - arch/x86/include/uapi/asm/Kbuild;
 - arch/x86/include/asm/Kbuild.
This complicates a lot the processing (arch/x86/include/asm/Kbuild is also
used by scripts/Makefile.asm-generic).

This series has been tested with a 'make headers_install' on x86 and a
'make headers_install_all'. I've checked the result of both commands.

This patch is built against linus tree. I don't know if it should be
made against antoher tree.

Comments are welcomed,
Nicolas
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