Linux v3.5-rc3
This commit is contained in:
Josh Boyer
parent
71b8cf042f
commit
8a9cf5c503
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From d012d04e4d6312ea157b6cf19e9689af934f5aa7 Mon Sep 17 00:00:00 2001
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From: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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Date: Wed, 6 Jun 2012 13:55:02 +0200
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Subject: [PATCH] iwlwifi: disable the buggy chain extension feature in HW
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This feature has been reported to be buggy and enabled by
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default. We therefore need to disable it manually.
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Cc: stable@vger.kernel.org
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Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Signed-off-by: John W. Linville <linville@tuxdriver.com>
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---
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drivers/net/wireless/iwlwifi/iwl-prph.h | 1 +
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drivers/net/wireless/iwlwifi/iwl-trans-pcie.c | 5 +++++
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2 files changed, 6 insertions(+), 0 deletions(-)
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diff --git a/drivers/net/wireless/iwlwifi/iwl-prph.h b/drivers/net/wireless/iwlwifi/iwl-prph.h
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index 3b10692..dfd5466 100644
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--- a/drivers/net/wireless/iwlwifi/iwl-prph.h
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+++ b/drivers/net/wireless/iwlwifi/iwl-prph.h
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@@ -224,6 +224,7 @@
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#define SCD_TXFACT (SCD_BASE + 0x10)
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#define SCD_ACTIVE (SCD_BASE + 0x14)
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#define SCD_QUEUECHAIN_SEL (SCD_BASE + 0xe8)
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+#define SCD_CHAINEXT_EN (SCD_BASE + 0x244)
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#define SCD_AGGR_SEL (SCD_BASE + 0x248)
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#define SCD_INTERRUPT_MASK (SCD_BASE + 0x108)
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diff --git a/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c b/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c
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index ec6fb39..79c6b91 100644
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--- a/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c
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+++ b/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c
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@@ -1058,6 +1058,11 @@ static void iwl_tx_start(struct iwl_trans *trans)
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iwl_write_prph(trans, SCD_DRAM_BASE_ADDR,
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trans_pcie->scd_bc_tbls.dma >> 10);
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+ /* The chain extension of the SCD doesn't work well. This feature is
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+ * enabled by default by the HW, so we need to disable it manually.
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+ */
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+ iwl_write_prph(trans, SCD_CHAINEXT_EN, 0);
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+
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/* Enable DMA channel */
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for (chan = 0; chan < FH_TCSR_CHNL_NUM ; chan++)
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iwl_write_direct32(trans, FH_TCSR_CHNL_TX_CONFIG_REG(chan),
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--
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1.7.7.6
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@ -1,45 +0,0 @@
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From d6ee27eb13beab94056e0de52d81220058ca2297 Mon Sep 17 00:00:00 2001
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From: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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Date: Wed, 6 Jun 2012 09:13:36 +0200
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Subject: [PATCH] iwlwifi: don't mess up the SCD when removing a key
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When we remove a key, we put a key index which was supposed
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to tell the fw that we are actually removing the key. But
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instead the fw took that index as a valid index and messed
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up the SRAM of the device.
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This memory corruption on the device mangled the data of
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the SCD. The impact on the user is that SCD queue 2 got
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stuck after having removed keys.
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The message is the log that was printed is:
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Queue 2 stuck for 10000ms
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This doesn't seem to fix the higher queues that get stuck
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from time to time.
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Cc: stable@vger.kernel.org [2.6.27+]
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Reviewed-by: Meenakshi Venkataraman <meenakshi.venkataraman@intel.com>
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Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Signed-off-by: John W. Linville <linville@tuxdriver.com>
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---
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drivers/net/wireless/iwlwifi/iwl-agn-sta.c | 2 +-
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1 files changed, 1 insertions(+), 1 deletions(-)
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diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-sta.c b/drivers/net/wireless/iwlwifi/iwl-agn-sta.c
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index aea07aa..eb6a8ea 100644
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--- a/drivers/net/wireless/iwlwifi/iwl-agn-sta.c
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+++ b/drivers/net/wireless/iwlwifi/iwl-agn-sta.c
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@@ -1267,7 +1267,7 @@ int iwl_remove_dynamic_key(struct iwl_priv *priv,
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key_flags |= STA_KEY_MULTICAST_MSK;
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sta_cmd.key.key_flags = key_flags;
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- sta_cmd.key.key_offset = WEP_INVALID_OFFSET;
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+ sta_cmd.key.key_offset = keyconf->hw_key_idx;
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sta_cmd.sta.modify_mask = STA_MODIFY_KEY_MASK;
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sta_cmd.mode = STA_CONTROL_MODIFY_MSK;
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--
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1.7.6.5
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15
kernel.spec
15
kernel.spec
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@ -62,7 +62,7 @@ Summary: The Linux kernel
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# For non-released -rc kernels, this will be appended after the rcX and
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# gitX tags, so a 3 here would become part of release "0.rcX.gitX.3"
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#
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%global baserelease 4
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%global baserelease 1
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%global fedora_build %{baserelease}
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# base_sublevel is the kernel version we're starting with and patching
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@ -93,7 +93,7 @@ Summary: The Linux kernel
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# The next upstream release sublevel (base_sublevel+1)
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%define upstream_sublevel %(echo $((%{base_sublevel} + 1)))
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# The rc snapshot level
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%define rcrev 2
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%define rcrev 3
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# The git snapshot level
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%define gitrev 0
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# Set rpm version accordingly
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@ -743,10 +743,6 @@ Patch22001: selinux-apply-different-permission-to-ptrace-child.patch
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#rhbz 829016
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Patch22022: thp-avoid-atomic64_read-in-pmd_read_atomic-for-32bit-PAE.patch
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#rhbz 825491
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Patch22023: iwlwifi-disable-the-buggy-chain-extension-feature-in-HW.patch
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Patch22024: iwlwifi-dont-mess-up-the-SCD-when-removing-a-key.patch
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# END OF PATCH DEFINITIONS
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%endif
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@ -1436,10 +1432,6 @@ ApplyPatch highbank-export-clock-functions.patch
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ApplyPatch thp-avoid-atomic64_read-in-pmd_read_atomic-for-32bit-PAE.patch
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#rhbz 825491
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ApplyPatch iwlwifi-disable-the-buggy-chain-extension-feature-in-HW.patch
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ApplyPatch iwlwifi-dont-mess-up-the-SCD-when-removing-a-key.patch
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# END OF PATCH APPLICATIONS
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%endif
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@ -2290,6 +2282,9 @@ fi
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# ||----w |
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# || ||
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%changelog
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* Mon Jun 18 2012 Josh Boyer <jwboyer@redhat.com> - -3.5.0-0.rc3.git0.1
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- Linux v3.5-rc3
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* Tue Jun 12 2012 Peter Robinson <pbrobinson@fedoraproject.org>
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- ARM: build in rtc modules so time gets set right on boot
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