Linux v4.4.6
This commit is contained in:
parent
ba408bfa98
commit
7b567d3db7
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@ -1,25 +0,0 @@
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From b461a1b881b40fa9b75b9b8f54d6f9fefc2f2fef Mon Sep 17 00:00:00 2001
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From: Laura Abbott <labbott@fedoraproject.org>
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Date: Tue, 15 Mar 2016 11:34:47 -0700
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Subject: [PATCH] Revert "drm/radeon: call hpd_irq_event on resume"
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This reverts commit b36e52c44ce6728824546d8b5f05b844cede96f1.
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---
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drivers/gpu/drm/radeon/radeon_device.c | 1 -
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1 file changed, 1 deletion(-)
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diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
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index d690df5..c566993 100644
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--- a/drivers/gpu/drm/radeon/radeon_device.c
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+++ b/drivers/gpu/drm/radeon/radeon_device.c
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@@ -1744,7 +1744,6 @@ int radeon_resume_kms(struct drm_device *dev, bool resume, bool fbcon)
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}
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drm_kms_helper_poll_enable(dev);
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- drm_helper_hpd_irq_event(dev);
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/* set the power state here in case we are a PX system or headless */
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if ((rdev->pm.pm_method == PM_METHOD_DPM) && rdev->pm.dpm_enabled)
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--
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2.5.0
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@ -1,54 +0,0 @@
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From b3ffe8a6522dd1f07c181a5f2581142776e2162d Mon Sep 17 00:00:00 2001
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From: Ard Biesheuvel <ard.biesheuvel@linaro.org>
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Date: Tue, 8 Mar 2016 21:09:29 +0700
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Subject: [PATCH] arm64: account for sparsemem section alignment when choosing
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vmemmap offset
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Commit dfd55ad85e4a ("arm64: vmemmap: use virtual projection of linear
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region") fixed an issue where the struct page array would overflow into the
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adjacent virtual memory region if system RAM was placed so high up in
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physical memory that its addresses were not representable in the build time
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configured virtual address size.
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However, the fix failed to take into account that the vmemmap region needs
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to be relatively aligned with respect to the sparsemem section size, so that
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a sequence of page structs corresponding with a sparsemem section in the
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linear region appears naturally aligned in the vmemmap region.
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So round up vmemmap to sparsemem section size. Since this essentially moves
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the projection of the linear region up in memory, also revert the reduction
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of the size of the vmemmap region.
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Fixes: dfd55ad85e4a ("arm64: vmemmap: use virtual projection of linear region")
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Tested-by: Mark Langsdorf <mlangsdo@redhat.com>
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Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
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---
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arch/arm64/include/asm/pgtable.h | 5 +++--
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1 file changed, 3 insertions(+), 2 deletions(-)
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diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h
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index fc9f7ef..eaa9cab 100644
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--- a/arch/arm64/include/asm/pgtable.h
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+++ b/arch/arm64/include/asm/pgtable.h
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@@ -40,7 +40,7 @@
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* VMALLOC_END: extends to the available space below vmmemmap, PCI I/O space,
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* fixed mappings and modules
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*/
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-#define VMEMMAP_SIZE ALIGN((1UL << (VA_BITS - PAGE_SHIFT - 1)) * sizeof(struct page), PUD_SIZE)
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+#define VMEMMAP_SIZE ALIGN((1UL << (VA_BITS - PAGE_SHIFT)) * sizeof(struct page), PUD_SIZE)
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#ifndef CONFIG_KASAN
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#define VMALLOC_START (VA_START)
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@@ -52,7 +52,8 @@
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#define VMALLOC_END (PAGE_OFFSET - PUD_SIZE - VMEMMAP_SIZE - SZ_64K)
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#define VMEMMAP_START (VMALLOC_END + SZ_64K)
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-#define vmemmap ((struct page *)VMEMMAP_START - (memstart_addr >> PAGE_SHIFT))
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+#define vmemmap ((struct page *)VMEMMAP_START - \
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+ SECTION_ALIGN_DOWN(memstart_addr >> PAGE_SHIFT))
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#define FIRST_USER_ADDRESS 0UL
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--
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2.5.0
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@ -1,83 +0,0 @@
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From cb150b9d23be6ee7f3a0fff29784f1c5b5ac514d Mon Sep 17 00:00:00 2001
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From: Johannes Berg <johannes.berg@intel.com>
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Date: Wed, 27 Jan 2016 13:29:34 +0100
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Subject: cfg80211/wext: fix message ordering
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Since cfg80211 frequently takes actions from its netdev notifier
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call, wireless extensions messages could still be ordered badly
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since the wext netdev notifier, since wext is built into the
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kernel, runs before the cfg80211 netdev notifier. For example,
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the following can happen:
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5: wlan1: <BROADCAST,MULTICAST> mtu 1500 qdisc mq state DOWN group default
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link/ether 02:00:00:00:01:00 brd ff:ff:ff:ff:ff:ff
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5: wlan1: <BROADCAST,MULTICAST,UP>
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link/ether
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when setting the interface down causes the wext message.
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To also fix this, export the wireless_nlevent_flush() function
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and also call it from the cfg80211 notifier.
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Cc: stable@vger.kernel.org
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Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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---
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include/net/iw_handler.h | 6 ++++++
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net/wireless/core.c | 2 ++
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net/wireless/wext-core.c | 3 ++-
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3 files changed, 10 insertions(+), 1 deletion(-)
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diff --git a/include/net/iw_handler.h b/include/net/iw_handler.h
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index 8f81bbb..e0f4109 100644
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--- a/include/net/iw_handler.h
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+++ b/include/net/iw_handler.h
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@@ -439,6 +439,12 @@ int dev_get_wireless_info(char *buffer, char **start, off_t offset, int length);
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/* Send a single event to user space */
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void wireless_send_event(struct net_device *dev, unsigned int cmd,
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union iwreq_data *wrqu, const char *extra);
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+#ifdef CONFIG_WEXT_CORE
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+/* flush all previous wext events - if work is done from netdev notifiers */
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+void wireless_nlevent_flush(void);
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+#else
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+static inline void wireless_nlevent_flush(void) {}
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+#endif
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/* We may need a function to send a stream of events to user space.
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* More on that later... */
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diff --git a/net/wireless/core.c b/net/wireless/core.c
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index b091551..8f0bac7 100644
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--- a/net/wireless/core.c
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+++ b/net/wireless/core.c
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@@ -1147,6 +1147,8 @@ static int cfg80211_netdev_notifier_call(struct notifier_block *nb,
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return NOTIFY_DONE;
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}
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+ wireless_nlevent_flush();
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+
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return NOTIFY_OK;
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}
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diff --git a/net/wireless/wext-core.c b/net/wireless/wext-core.c
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index 87dd619..b50ee5d 100644
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--- a/net/wireless/wext-core.c
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+++ b/net/wireless/wext-core.c
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@@ -342,7 +342,7 @@ static const int compat_event_type_size[] = {
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/* IW event code */
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-static void wireless_nlevent_flush(void)
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+void wireless_nlevent_flush(void)
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{
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struct sk_buff *skb;
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struct net *net;
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@@ -355,6 +355,7 @@ static void wireless_nlevent_flush(void)
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GFP_KERNEL);
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}
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}
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+EXPORT_SYMBOL_GPL(wireless_nlevent_flush);
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static int wext_netdev_notifier_call(struct notifier_block *nb,
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unsigned long state, void *ptr)
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--
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cgit v0.12
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14
kernel.spec
14
kernel.spec
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@ -52,7 +52,7 @@ Summary: The Linux kernel
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%if 0%{?released_kernel}
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# Do we have a -stable update to apply?
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%define stable_update 5
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%define stable_update 6
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# Set rpm version accordingly
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%if 0%{?stable_update}
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%define stablerev %{stable_update}
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@ -603,10 +603,6 @@ Patch640: PNP-Add-Haswell-ULT-to-Intel-MCH-size-workaround.patch
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#rhbz 1278942
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Patch643: media-ivtv-avoid-going-past-input-audio-array.patch
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#rhbz 1302037
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Patch644: wext-fix-message-delay-ordering.patch
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Patch645: cfg80211-wext-fix-message-ordering.patch
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#rhbz 1255325
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Patch646: HID-sony-do-not-bail-out-when-the-sixaxis-refuses-th.patch
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@ -619,9 +615,6 @@ Patch659: pipe-limit-the-per-user-amount-of-pages-allocated-in.patch
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#rhbz 1310252 1313318
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Patch660: 0001-drm-i915-Pretend-cursor-is-always-on-for-ILK-style-W.patch
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#Fix for known arm64 breakage. No bugzilla becuase proactivity \o/
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Patch661: 0001-arm64-account-for-sparsemem-section-alignment-when-c.patch
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#rhbz 1316719
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Patch662: 0001-cdc-acm-fix-NULL-pointer-reference.patch
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@ -637,8 +630,6 @@ Patch665: netfilter-x_tables-deal-with-bogus-nextoffset-values.patch
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#CVE-2016-3135 rhbz 1318172 1318270
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Patch666: ipv4-Dont-do-expensive-useless-work-during-inetdev-des.patch
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#rhbz 1317300 1317179
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Patch667: 0001-Revert-drm-radeon-call-hpd_irq_event-on-resume.patch
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# END OF PATCH DEFINITIONS
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%endif
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@ -2082,6 +2073,9 @@ fi
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#
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#
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%changelog
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* Wed Mar 16 2016 Laura Abbott <labbott@redhat.com> - 4.4.6-300
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- Linux v4.4.6
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* Wed Mar 16 2016 Laura Abbott <labbott@redhat.com>
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- Revert patch causing radeon breakage (rhbz 1317300 1317179)
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2
sources
2
sources
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@ -1,3 +1,3 @@
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9a78fa2eb6c68ca5a40ed5af08142599 linux-4.4.tar.xz
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dcbc8fe378a676d5d0dd208cf524e144 perf-man-4.4.tar.gz
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edddb33405ea1ab02b90eb9cecaa43f6 patch-4.4.5.xz
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d48f09bf61f2500d70f839e190dc7c5a patch-4.4.6.xz
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@ -1,122 +0,0 @@
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From 8bf862739a7786ae72409220914df960a0aa80d8 Mon Sep 17 00:00:00 2001
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From: Johannes Berg <johannes.berg@intel.com>
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Date: Wed, 27 Jan 2016 12:37:52 +0100
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Subject: wext: fix message delay/ordering
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Beniamino reported that he was getting an RTM_NEWLINK message for a
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given interface, after the RTM_DELLINK for it. It turns out that the
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message is a wireless extensions message, which was sent because the
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interface had been connected and disconnection while it was deleted
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caused a wext message.
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For its netlink messages, wext uses RTM_NEWLINK, but the message is
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without all the regular rtnetlink attributes, so "ip monitor link"
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prints just rudimentary information:
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5: wlan1: <BROADCAST,MULTICAST> mtu 1500 qdisc mq state DOWN group default
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link/ether 02:00:00:00:01:00 brd ff:ff:ff:ff:ff:ff
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Deleted 5: wlan1: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default
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link/ether 02:00:00:00:01:00 brd ff:ff:ff:ff:ff:ff
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5: wlan1: <BROADCAST,MULTICAST,UP>
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link/ether
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(from my hwsim reproduction)
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This can cause userspace to get confused since it doesn't expect an
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RTM_NEWLINK message after RTM_DELLINK.
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The reason for this is that wext schedules a worker to send out the
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messages, and the scheduling delay can cause the messages to get out
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to userspace in different order.
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To fix this, have wext register a netdevice notifier and flush out
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any pending messages when netdevice state changes. This fixes any
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ordering whenever the original message wasn't sent by a notifier
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itself.
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Cc: stable@vger.kernel.org
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Reported-by: Beniamino Galvani <bgalvani@redhat.com>
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Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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---
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net/wireless/wext-core.c | 51 +++++++++++++++++++++++++++++++++++++-----------
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1 file changed, 40 insertions(+), 11 deletions(-)
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diff --git a/net/wireless/wext-core.c b/net/wireless/wext-core.c
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index c8717c1..87dd619 100644
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--- a/net/wireless/wext-core.c
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+++ b/net/wireless/wext-core.c
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@@ -342,6 +342,39 @@ static const int compat_event_type_size[] = {
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/* IW event code */
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+static void wireless_nlevent_flush(void)
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+{
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+ struct sk_buff *skb;
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+ struct net *net;
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+
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+ ASSERT_RTNL();
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+
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+ for_each_net(net) {
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+ while ((skb = skb_dequeue(&net->wext_nlevents)))
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+ rtnl_notify(skb, net, 0, RTNLGRP_LINK, NULL,
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+ GFP_KERNEL);
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+ }
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+}
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+
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+static int wext_netdev_notifier_call(struct notifier_block *nb,
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+ unsigned long state, void *ptr)
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+{
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+ /*
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+ * When a netdev changes state in any way, flush all pending messages
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+ * to avoid them going out in a strange order, e.g. RTM_NEWLINK after
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+ * RTM_DELLINK, or with IFF_UP after without IFF_UP during dev_close()
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+ * or similar - all of which could otherwise happen due to delays from
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+ * schedule_work().
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+ */
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+ wireless_nlevent_flush();
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+
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+ return NOTIFY_OK;
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+}
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+
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+static struct notifier_block wext_netdev_notifier = {
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+ .notifier_call = wext_netdev_notifier_call,
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+};
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+
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static int __net_init wext_pernet_init(struct net *net)
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{
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skb_queue_head_init(&net->wext_nlevents);
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@@ -360,7 +393,12 @@ static struct pernet_operations wext_pernet_ops = {
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static int __init wireless_nlevent_init(void)
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{
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- return register_pernet_subsys(&wext_pernet_ops);
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+ int err = register_pernet_subsys(&wext_pernet_ops);
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+
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+ if (err)
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+ return err;
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+
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+ return register_netdevice_notifier(&wext_netdev_notifier);
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}
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subsys_initcall(wireless_nlevent_init);
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@@ -368,17 +406,8 @@ subsys_initcall(wireless_nlevent_init);
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/* Process events generated by the wireless layer or the driver. */
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static void wireless_nlevent_process(struct work_struct *work)
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{
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- struct sk_buff *skb;
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- struct net *net;
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-
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rtnl_lock();
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-
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- for_each_net(net) {
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- while ((skb = skb_dequeue(&net->wext_nlevents)))
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- rtnl_notify(skb, net, 0, RTNLGRP_LINK, NULL,
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- GFP_KERNEL);
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- }
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-
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+ wireless_nlevent_flush();
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rtnl_unlock();
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}
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--
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cgit v0.12
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