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4.2.4

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This commit is contained in:
Dan Ziemba 2015-10-23 23:21:03 -04:00
parent 12a0decdbb
commit 92d4713d5b
6 changed files with 20 additions and 201 deletions
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16
.SRCINFO
View File

@ -1,5 +1,5 @@
pkgbase = linux-vfio
pkgver = 4.2.3
pkgver = 4.2.4
pkgrel = 1
url = http://www.kernel.org/
arch = i686
@ -13,26 +13,22 @@ pkgbase = linux-vfio
options = !strip
source = https://www.kernel.org/pub/linux/kernel/v4.x/linux-4.2.tar.xz
source = https://www.kernel.org/pub/linux/kernel/v4.x/linux-4.2.tar.sign
source = https://www.kernel.org/pub/linux/kernel/v4.x/patch-4.2.3.xz
source = https://www.kernel.org/pub/linux/kernel/v4.x/patch-4.2.3.sign
source = https://www.kernel.org/pub/linux/kernel/v4.x/patch-4.2.4.xz
source = https://www.kernel.org/pub/linux/kernel/v4.x/patch-4.2.4.sign
source = config
source = config.x86_64
source = linux.preset
source = change-default-console-loglevel.patch
source = 0001-e1000e-Fix-tight-loop-implementation-of-systime-read.patch
source = 0001-netfilter-conntrack-use-nf_ct_tmpl_free-in-CT-synpro.patch
source = override_for_missing_acs_capabilities.patch
source = i915_317.patch
sha256sums = cf20e044f17588d2a42c8f2a450b0fd84dfdbd579b489d93e9ab7d0e8b45dbeb
sha256sums = SKIP
sha256sums = e0e066f3fc5f310644e9f3f3ede47db7ac040f44782f0a5cf75ce2c940444972
sha256sums = 104ba869111c7ce037fc92646f9da7352412a73e84cde7467f29cd4b973d6e78
sha256sums = SKIP
sha256sums = e6f6f804f98ad321ce3e4395924993b51decb89699fde369391ccbb4bae928b2
sha256sums = a071aaa327d2b3577fa4709b47ed5fe81c7914d168607f3db905fdbf226247e7
sha256sums = 6921399a0e304f6c64cff17226ce3f20ebe8194f14ebcd318989f2515d8248ad
sha256sums = c3be602e0ce609b5fe5af2e631b01c8fba376a0c434206deca3d101b62685262
sha256sums = f0d90e756f14533ee67afda280500511a62465b4f76adcc5effa95a40045179c
sha256sums = 1256b241cd477b265a3c2d64bdc19ffe3c9bbcee82ea3994c590c2c76e767d99
sha256sums = 0b1e41ba59ae45f5929963aa22fdc53bc8ffb4534e976cec046269d1a462197b
sha256sums = 6ed9e31ae5614c289c4884620e45698e764c03670ebc45bab9319d741238cbd3
sha256sums = 975f79348119bfba8dd972a9fbfe6b38484c45bfd228f2f6d48a0c02426ba149
sha256sums = 65faab45248008810b0a5f27162101a34dfe298c14d3506e52236c680353d7f8

65
0001-e1000e-Fix-tight-loop-implementation-of-systime-read.patch
View File

@ -1,65 +0,0 @@
From 37b12910dd11d9ab969f2c310dc9160b7f3e3405 Mon Sep 17 00:00:00 2001
From: Raanan Avargil <raanan.avargil@intel.com>
Date: Sun, 19 Jul 2015 16:33:20 +0300
Subject: [PATCH] e1000e: Fix tight loop implementation of systime read
algorithm
Change the algorithm. Read systimel twice and check for overflow.
If there was no overflow, use the first value.
If there was an overflow, read systimeh again and use the second
systimel value.
Signed-off-by: Raanan Avargil <raanan.avargil@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
---
drivers/net/ethernet/intel/e1000e/netdev.c | 31 ++++++++++++++++++++----------
1 file changed, 21 insertions(+), 10 deletions(-)
diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c
index 24b7269..96a8166 100644
--- a/drivers/net/ethernet/intel/e1000e/netdev.c
+++ b/drivers/net/ethernet/intel/e1000e/netdev.c
@@ -4280,18 +4280,29 @@ static cycle_t e1000e_cyclecounter_read(const struct cyclecounter *cc)
struct e1000_adapter *adapter = container_of(cc, struct e1000_adapter,
cc);
struct e1000_hw *hw = &adapter->hw;
+ u32 systimel_1, systimel_2, systimeh;
cycle_t systim, systim_next;
- /* SYSTIMH latching upon SYSTIML read does not work well. To fix that
- * we don't want to allow overflow of SYSTIML and a change to SYSTIMH
- * to occur between reads, so if we read a vale close to overflow, we
- * wait for overflow to occur and read both registers when its safe.
+ /* SYSTIMH latching upon SYSTIML read does not work well.
+ * This means that if SYSTIML overflows after we read it but before
+ * we read SYSTIMH, the value of SYSTIMH has been incremented and we
+ * will experience a huge non linear increment in the systime value
+ * to fix that we test for overflow and if true, we re-read systime.
*/
- u32 systim_overflow_latch_fix = 0x3FFFFFFF;
-
- do {
- systim = (cycle_t)er32(SYSTIML);
- } while (systim > systim_overflow_latch_fix);
- systim |= (cycle_t)er32(SYSTIMH) << 32;
+ systimel_1 = er32(SYSTIML);
+ systimeh = er32(SYSTIMH);
+ systimel_2 = er32(SYSTIML);
+ /* Check for overflow. If there was no overflow, use the values */
+ if (systimel_1 < systimel_2) {
+ systim = (cycle_t)systimel_1;
+ systim |= (cycle_t)systimeh << 32;
+ } else {
+ /* There was an overflow, read again SYSTIMH, and use
+ * systimel_2
+ */
+ systimeh = er32(SYSTIMH);
+ systim = (cycle_t)systimel_2;
+ systim |= (cycle_t)systimeh << 32;
+ }
if ((hw->mac.type == e1000_82574) || (hw->mac.type == e1000_82583)) {
u64 incvalue, time_delta, rem, temp;
--
2.5.1

103
0001-netfilter-conntrack-use-nf_ct_tmpl_free-in-CT-synpro.patch
View File

@ -1,103 +0,0 @@
From 9cf94eab8b309e8bcc78b41dd1561c75b537dd0b Mon Sep 17 00:00:00 2001
From: Daniel Borkmann <daniel@iogearbox.net>
Date: Mon, 31 Aug 2015 19:11:02 +0200
Subject: [PATCH] netfilter: conntrack: use nf_ct_tmpl_free in CT/synproxy
error paths
Commit 0838aa7fcfcd ("netfilter: fix netns dependencies with conntrack
templates") migrated templates to the new allocator api, but forgot to
update error paths for them in CT and synproxy to use nf_ct_tmpl_free()
instead of nf_conntrack_free().
Due to that, memory is being freed into the wrong kmemcache, but also
we drop the per net reference count of ct objects causing an imbalance.
In Brad's case, this leads to a wrap-around of net->ct.count and thus
lets __nf_conntrack_alloc() refuse to create a new ct object:
[ 10.340913] xt_addrtype: ipv6 does not support BROADCAST matching
[ 10.810168] nf_conntrack: table full, dropping packet
[ 11.917416] r8169 0000:07:00.0 eth0: link up
[ 11.917438] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
[ 12.815902] nf_conntrack: table full, dropping packet
[ 15.688561] nf_conntrack: table full, dropping packet
[ 15.689365] nf_conntrack: table full, dropping packet
[ 15.690169] nf_conntrack: table full, dropping packet
[ 15.690967] nf_conntrack: table full, dropping packet
[...]
With slab debugging, it also reports the wrong kmemcache (kmalloc-512 vs.
nf_conntrack_ffffffff81ce75c0) and reports poison overwrites, etc. Thus,
to fix the problem, export and use nf_ct_tmpl_free() instead.
Fixes: 0838aa7fcfcd ("netfilter: fix netns dependencies with conntrack templates")
Reported-by: Brad Jackson <bjackson0971@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---
include/net/netfilter/nf_conntrack.h | 1 +
net/netfilter/nf_conntrack_core.c | 3 ++-
net/netfilter/nf_synproxy_core.c | 2 +-
net/netfilter/xt_CT.c | 2 +-
4 files changed, 5 insertions(+), 3 deletions(-)
diff --git a/include/net/netfilter/nf_conntrack.h b/include/net/netfilter/nf_conntrack.h
index 37cd391..4023c4c 100644
--- a/include/net/netfilter/nf_conntrack.h
+++ b/include/net/netfilter/nf_conntrack.h
@@ -292,6 +292,7 @@ extern unsigned int nf_conntrack_hash_rnd;
void init_nf_conntrack_hash_rnd(void);
struct nf_conn *nf_ct_tmpl_alloc(struct net *net, u16 zone, gfp_t flags);
+void nf_ct_tmpl_free(struct nf_conn *tmpl);
#define NF_CT_STAT_INC(net, count) __this_cpu_inc((net)->ct.stat->count)
#define NF_CT_STAT_INC_ATOMIC(net, count) this_cpu_inc((net)->ct.stat->count)
diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c
index 3c20d02..0625a42 100644
--- a/net/netfilter/nf_conntrack_core.c
+++ b/net/netfilter/nf_conntrack_core.c
@@ -320,12 +320,13 @@ out_free:
}
EXPORT_SYMBOL_GPL(nf_ct_tmpl_alloc);
-static void nf_ct_tmpl_free(struct nf_conn *tmpl)
+void nf_ct_tmpl_free(struct nf_conn *tmpl)
{
nf_ct_ext_destroy(tmpl);
nf_ct_ext_free(tmpl);
kfree(tmpl);
}
+EXPORT_SYMBOL_GPL(nf_ct_tmpl_free);
static void
destroy_conntrack(struct nf_conntrack *nfct)
diff --git a/net/netfilter/nf_synproxy_core.c b/net/netfilter/nf_synproxy_core.c
index d7f1685..d6ee8f8 100644
--- a/net/netfilter/nf_synproxy_core.c
+++ b/net/netfilter/nf_synproxy_core.c
@@ -378,7 +378,7 @@ static int __net_init synproxy_net_init(struct net *net)
err3:
free_percpu(snet->stats);
err2:
- nf_conntrack_free(ct);
+ nf_ct_tmpl_free(ct);
err1:
return err;
}
diff --git a/net/netfilter/xt_CT.c b/net/netfilter/xt_CT.c
index 43ddeee..f3377ce 100644
--- a/net/netfilter/xt_CT.c
+++ b/net/netfilter/xt_CT.c
@@ -233,7 +233,7 @@ out:
return 0;
err3:
- nf_conntrack_free(ct);
+ nf_ct_tmpl_free(ct);
err2:
nf_ct_l3proto_module_put(par->family);
err1:
--
2.5.1

21
PKGBUILD
View File

@ -2,7 +2,7 @@
pkgbase=linux-vfio
_srcname=linux-4.2
pkgver=4.2.3
pkgver=4.2.4
pkgrel=1
arch=('i686' 'x86_64')
url="http://www.kernel.org/"
@ -18,21 +18,17 @@ source=("https://www.kernel.org/pub/linux/kernel/v4.x/${_srcname}.tar.xz"
# standard config files for mkinitcpio ramdisk
'linux.preset'
'change-default-console-loglevel.patch'
'0001-e1000e-Fix-tight-loop-implementation-of-systime-read.patch'
'0001-netfilter-conntrack-use-nf_ct_tmpl_free-in-CT-synpro.patch'
'override_for_missing_acs_capabilities.patch'
'i915_317.patch'
)
sha256sums=('cf20e044f17588d2a42c8f2a450b0fd84dfdbd579b489d93e9ab7d0e8b45dbeb'
'SKIP'
'e0e066f3fc5f310644e9f3f3ede47db7ac040f44782f0a5cf75ce2c940444972'
'104ba869111c7ce037fc92646f9da7352412a73e84cde7467f29cd4b973d6e78'
'SKIP'
'e6f6f804f98ad321ce3e4395924993b51decb89699fde369391ccbb4bae928b2'
'a071aaa327d2b3577fa4709b47ed5fe81c7914d168607f3db905fdbf226247e7'
'6921399a0e304f6c64cff17226ce3f20ebe8194f14ebcd318989f2515d8248ad'
'c3be602e0ce609b5fe5af2e631b01c8fba376a0c434206deca3d101b62685262'
'f0d90e756f14533ee67afda280500511a62465b4f76adcc5effa95a40045179c'
'1256b241cd477b265a3c2d64bdc19ffe3c9bbcee82ea3994c590c2c76e767d99'
'0b1e41ba59ae45f5929963aa22fdc53bc8ffb4534e976cec046269d1a462197b'
'6ed9e31ae5614c289c4884620e45698e764c03670ebc45bab9319d741238cbd3'
'975f79348119bfba8dd972a9fbfe6b38484c45bfd228f2f6d48a0c02426ba149'
'65faab45248008810b0a5f27162101a34dfe298c14d3506e52236c680353d7f8')
validpgpkeys=(
@ -50,15 +46,6 @@ prepare() {
# add latest fixes from stable queue, if needed
# http://git.kernel.org/?p=linux/kernel/git/stable/stable-queue.git
# fix hard lockup in e1000e_cyclecounter_read() after 4 hours of uptime
# https://lkml.org/lkml/2015/8/18/292
patch -p1 -i "${srcdir}/0001-e1000e-Fix-tight-loop-implementation-of-systime-read.patch"
# add not-yet-mainlined patch to fix network unavailability when iptables
# rules are applied during startup - happened with Shorewall; journal had
# many instances of this error: nf_conntrack: table full, dropping packet
patch -p1 -i "${srcdir}/0001-netfilter-conntrack-use-nf_ct_tmpl_free-in-CT-synpro.patch"
# set DEFAULT_CONSOLE_LOGLEVEL to 4 (same value as the 'quiet' kernel param)
# remove this when a Kconfig knob is made available by upstream

8
config
View File

@ -1,6 +1,6 @@
#
# Automatically generated file; DO NOT EDIT.
# Linux/x86 4.2.0-2 Kernel Configuration
# Linux/x86 4.2.3-1 Kernel Configuration
#
# CONFIG_64BIT is not set
CONFIG_X86_32=y
@ -818,7 +818,7 @@ CONFIG_NET_IP_TUNNEL=m
CONFIG_NET_IPGRE=m
# CONFIG_NET_IPGRE_BROADCAST is not set
CONFIG_IP_MROUTE=y
# CONFIG_IP_MROUTE_MULTIPLE_TABLES is not set
CONFIG_IP_MROUTE_MULTIPLE_TABLES=y
CONFIG_IP_PIMSM_V1=y
CONFIG_IP_PIMSM_V2=y
CONFIG_SYN_COOKIES=y
@ -880,7 +880,9 @@ CONFIG_IPV6_TUNNEL=m
CONFIG_IPV6_GRE=m
CONFIG_IPV6_MULTIPLE_TABLES=y
CONFIG_IPV6_SUBTREES=y
# CONFIG_IPV6_MROUTE is not set
CONFIG_IPV6_MROUTE=y
CONFIG_IPV6_MROUTE_MULTIPLE_TABLES=y
CONFIG_IPV6_PIMSM_V2=y
CONFIG_NETLABEL=y
CONFIG_NETWORK_SECMARK=y
CONFIG_NET_PTP_CLASSIFY=y

8
config.x86_64
View File

@ -1,6 +1,6 @@
#
# Automatically generated file; DO NOT EDIT.
# Linux/x86 4.2.0-2 Kernel Configuration
# Linux/x86 4.2.3-1 Kernel Configuration
#
CONFIG_64BIT=y
CONFIG_X86_64=y
@ -813,7 +813,7 @@ CONFIG_NET_IP_TUNNEL=m
CONFIG_NET_IPGRE=m
# CONFIG_NET_IPGRE_BROADCAST is not set
CONFIG_IP_MROUTE=y
# CONFIG_IP_MROUTE_MULTIPLE_TABLES is not set
CONFIG_IP_MROUTE_MULTIPLE_TABLES=y
CONFIG_IP_PIMSM_V1=y
CONFIG_IP_PIMSM_V2=y
CONFIG_SYN_COOKIES=y
@ -875,7 +875,9 @@ CONFIG_IPV6_TUNNEL=m
CONFIG_IPV6_GRE=m
CONFIG_IPV6_MULTIPLE_TABLES=y
CONFIG_IPV6_SUBTREES=y
# CONFIG_IPV6_MROUTE is not set
CONFIG_IPV6_MROUTE=y
CONFIG_IPV6_MROUTE_MULTIPLE_TABLES=y
CONFIG_IPV6_PIMSM_V2=y
CONFIG_NETLABEL=y
CONFIG_NETWORK_SECMARK=y
CONFIG_NET_PTP_CLASSIFY=y