From: Thomas Gleixner <tglx@linutronix.de>
To: LKML <linux-kernel@vger.kernel.org>
Cc: x86@kernel.org, Joerg Roedel <joro@8bytes.org>,
Will Deacon <will@kernel.org>,
linux-pci@vger.kernel.org, Bjorn Helgaas <bhelgaas@google.com>,
Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
Marc Zyngier <maz@kernel.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Jason Gunthorpe <jgg@mellanox.com>,
Dave Jiang <dave.jiang@intel.com>,
Alex Williamson <alex.williamson@redhat.com>,
Kevin Tian <kevin.tian@intel.com>,
Dan Williams <dan.j.williams@intel.com>,
Logan Gunthorpe <logang@deltatee.com>,
Ashok Raj <ashok.raj@intel.com>, Jon Mason <jdmason@kudzu.us>,
Allen Hubbe <allenbh@gmail.com>,
"Ahmed S. Darwish" <darwi@linutronix.de>,
Reinette Chatre <reinette.chatre@intel.com>,
Michael Ellerman <mpe@ellerman.id.au>,
Christophe Leroy <christophe.leroy@csgroup.eu>,
linuxppc-dev@lists.ozlabs.org
Subject: [patch 18/39] PCI/MSI: Move mask and unmask helpers to msi.h
Date: Fri, 11 Nov 2022 14:54:43 +0100 (CET) [thread overview]
Message-ID: <20221111122014.640052354@linutronix.de> (raw)
In-Reply-To: 20221111120501.026511281@linutronix.de
From: Ahmed S. Darwish <darwi@linutronix.de>
The upcoming support for per device MSI interrupt domains needs to share
some of the inline helpers with the MSI implementation.
Move them to the header file.
Signed-off-by: Ahmed S. Darwish <darwi@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
drivers/pci/msi/msi.c | 61 +--------------------------------------
drivers/pci/msi/msi.h | 83 +++++++++++++++++++++++++++++++++++++++++++++-------
2 files changed, 74 insertions(+), 70 deletions(-)
---
diff --git a/drivers/pci/msi/msi.c b/drivers/pci/msi/msi.c
index 160af9f01669..5c310df55d0d 100644
--- a/drivers/pci/msi/msi.c
+++ b/drivers/pci/msi/msi.c
@@ -16,7 +16,7 @@
static int pci_msi_enable = 1;
int pci_msi_ignore_mask;
-static noinline void pci_msi_update_mask(struct msi_desc *desc, u32 clear, u32 set)
+void pci_msi_update_mask(struct msi_desc *desc, u32 clear, u32 set)
{
raw_spinlock_t *lock = &to_pci_dev(desc->dev)->msi_lock;
unsigned long flags;
@@ -32,65 +32,6 @@ static noinline void pci_msi_update_mask(struct msi_desc *desc, u32 clear, u32 s
raw_spin_unlock_irqrestore(lock, flags);
}
-static inline void pci_msi_mask(struct msi_desc *desc, u32 mask)
-{
- pci_msi_update_mask(desc, 0, mask);
-}
-
-static inline void pci_msi_unmask(struct msi_desc *desc, u32 mask)
-{
- pci_msi_update_mask(desc, mask, 0);
-}
-
-static inline void __iomem *pci_msix_desc_addr(struct msi_desc *desc)
-{
- return desc->pci.mask_base + desc->msi_index * PCI_MSIX_ENTRY_SIZE;
-}
-
-/*
- * This internal function does not flush PCI writes to the device. All
- * users must ensure that they read from the device before either assuming
- * that the device state is up to date, or returning out of this file.
- * It does not affect the msi_desc::msix_ctrl cache either. Use with care!
- */
-static void pci_msix_write_vector_ctrl(struct msi_desc *desc, u32 ctrl)
-{
- void __iomem *desc_addr = pci_msix_desc_addr(desc);
-
- if (desc->pci.msi_attrib.can_mask)
- writel(ctrl, desc_addr + PCI_MSIX_ENTRY_VECTOR_CTRL);
-}
-
-static inline void pci_msix_mask(struct msi_desc *desc)
-{
- desc->pci.msix_ctrl |= PCI_MSIX_ENTRY_CTRL_MASKBIT;
- pci_msix_write_vector_ctrl(desc, desc->pci.msix_ctrl);
- /* Flush write to device */
- readl(desc->pci.mask_base);
-}
-
-static inline void pci_msix_unmask(struct msi_desc *desc)
-{
- desc->pci.msix_ctrl &= ~PCI_MSIX_ENTRY_CTRL_MASKBIT;
- pci_msix_write_vector_ctrl(desc, desc->pci.msix_ctrl);
-}
-
-static void __pci_msi_mask_desc(struct msi_desc *desc, u32 mask)
-{
- if (desc->pci.msi_attrib.is_msix)
- pci_msix_mask(desc);
- else
- pci_msi_mask(desc, mask);
-}
-
-static void __pci_msi_unmask_desc(struct msi_desc *desc, u32 mask)
-{
- if (desc->pci.msi_attrib.is_msix)
- pci_msix_unmask(desc);
- else
- pci_msi_unmask(desc, mask);
-}
-
/**
* pci_msi_mask_irq - Generic IRQ chip callback to mask PCI/MSI interrupts
* @data: pointer to irqdata associated to that interrupt
diff --git a/drivers/pci/msi/msi.h b/drivers/pci/msi/msi.h
index fc92603b33e1..d8f62d911f08 100644
--- a/drivers/pci/msi/msi.h
+++ b/drivers/pci/msi/msi.h
@@ -8,21 +8,67 @@
int pci_msi_setup_msi_irqs(struct pci_dev *dev, int nvec, int type);
void pci_msi_teardown_msi_irqs(struct pci_dev *dev);
-#ifdef CONFIG_PCI_MSI_ARCH_FALLBACKS
-int pci_msi_legacy_setup_msi_irqs(struct pci_dev *dev, int nvec, int type);
-void pci_msi_legacy_teardown_msi_irqs(struct pci_dev *dev);
-#else
-static inline int pci_msi_legacy_setup_msi_irqs(struct pci_dev *dev, int nvec, int type)
+/* Mask/unmask helpers */
+void pci_msi_update_mask(struct msi_desc *desc, u32 clear, u32 set);
+
+static inline void pci_msi_mask(struct msi_desc *desc, u32 mask)
{
- WARN_ON_ONCE(1);
- return -ENODEV;
+ pci_msi_update_mask(desc, 0, mask);
}
-static inline void pci_msi_legacy_teardown_msi_irqs(struct pci_dev *dev)
+static inline void pci_msi_unmask(struct msi_desc *desc, u32 mask)
{
- WARN_ON_ONCE(1);
+ pci_msi_update_mask(desc, mask, 0);
+}
+
+static inline void __iomem *pci_msix_desc_addr(struct msi_desc *desc)
+{
+ return desc->pci.mask_base + desc->msi_index * PCI_MSIX_ENTRY_SIZE;
+}
+
+/*
+ * This internal function does not flush PCI writes to the device. All
+ * users must ensure that they read from the device before either assuming
+ * that the device state is up to date, or returning out of this file.
+ * It does not affect the msi_desc::msix_ctrl cache either. Use with care!
+ */
+static inline void pci_msix_write_vector_ctrl(struct msi_desc *desc, u32 ctrl)
+{
+ void __iomem *desc_addr = pci_msix_desc_addr(desc);
+
+ if (desc->pci.msi_attrib.can_mask)
+ writel(ctrl, desc_addr + PCI_MSIX_ENTRY_VECTOR_CTRL);
+}
+
+static inline void pci_msix_mask(struct msi_desc *desc)
+{
+ desc->pci.msix_ctrl |= PCI_MSIX_ENTRY_CTRL_MASKBIT;
+ pci_msix_write_vector_ctrl(desc, desc->pci.msix_ctrl);
+ /* Flush write to device */
+ readl(desc->pci.mask_base);
+}
+
+static inline void pci_msix_unmask(struct msi_desc *desc)
+{
+ desc->pci.msix_ctrl &= ~PCI_MSIX_ENTRY_CTRL_MASKBIT;
+ pci_msix_write_vector_ctrl(desc, desc->pci.msix_ctrl);
+}
+
+static inline void __pci_msi_mask_desc(struct msi_desc *desc, u32 mask)
+{
+ if (desc->pci.msi_attrib.is_msix)
+ pci_msix_mask(desc);
+ else
+ pci_msi_mask(desc, mask);
+}
+
+static inline void __pci_msi_unmask_desc(struct msi_desc *desc, u32 mask)
+{
+ if (desc->pci.msi_attrib.is_msix)
+ pci_msix_unmask(desc);
+ else
+ pci_msi_unmask(desc, mask);
}
-#endif
/*
* PCI 2.3 does not specify mask bits for each MSI interrupt. Attempting to
@@ -37,3 +83,20 @@ static inline __attribute_const__ u32 msi_multi_mask(struct msi_desc *desc)
return 0xffffffff;
return (1 << (1 << desc->pci.msi_attrib.multi_cap)) - 1;
}
+
+/* Legacy (!IRQDOMAIN) fallbacks */
+#ifdef CONFIG_PCI_MSI_ARCH_FALLBACKS
+int pci_msi_legacy_setup_msi_irqs(struct pci_dev *dev, int nvec, int type);
+void pci_msi_legacy_teardown_msi_irqs(struct pci_dev *dev);
+#else
+static inline int pci_msi_legacy_setup_msi_irqs(struct pci_dev *dev, int nvec, int type)
+{
+ WARN_ON_ONCE(1);
+ return -ENODEV;
+}
+
+static inline void pci_msi_legacy_teardown_msi_irqs(struct pci_dev *dev)
+{
+ WARN_ON_ONCE(1);
+}
+#endif
next prev parent reply other threads:[~2022-11-11 13:56 UTC|newest]
Thread overview: 163+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-11-11 13:54 [patch 00/39] genirq, PCI/MSI: Support for per device MSI and PCI/IMS - Part 1 cleanups Thomas Gleixner
2022-11-11 13:54 ` [patch 01/39] PCI/MSI: Check for MSI enabled in __pci_msix_enable() Thomas Gleixner
2022-11-16 15:39 ` Ashok Raj
2022-11-17 13:07 ` Thomas Gleixner
2022-11-17 14:00 ` Ashok Raj
2022-11-16 16:35 ` Bjorn Helgaas
2022-11-16 17:43 ` Jason Gunthorpe
2022-11-17 15:08 ` [tip: irq/core] " tip-bot2 for Thomas Gleixner
2022-11-18 7:35 ` [patch 01/39] " Tian, Kevin
2022-11-11 13:54 ` [patch 02/39] iommu/vt-d: Remove bogus check for multi MSI-X Thomas Gleixner
2022-11-16 15:52 ` Ashok Raj
2022-11-16 17:02 ` Thomas Gleixner
2022-11-16 17:39 ` Ashok Raj
2022-11-17 15:08 ` [tip: irq/core] " tip-bot2 for Thomas Gleixner
2022-11-11 13:54 ` [patch 03/39] iommu/amd: " Thomas Gleixner
2022-11-16 16:02 ` Ashok Raj
2022-11-16 17:03 ` Thomas Gleixner
2022-11-17 15:08 ` [tip: irq/core] " tip-bot2 for Thomas Gleixner
2022-11-11 13:54 ` [patch 04/39] genirq/msi: Use MSI_DESC_ALL in msi_add_simple_msi_descs() Thomas Gleixner
2022-11-16 16:12 ` Ashok Raj
2022-11-16 17:43 ` Jason Gunthorpe
2022-11-17 15:08 ` [tip: irq/core] " tip-bot2 for Thomas Gleixner
2022-11-11 13:54 ` [patch 05/39] genirq/msi: Remove filter from msi_free_descs_free_range() Thomas Gleixner
2022-11-16 17:43 ` Jason Gunthorpe
2022-11-17 15:08 ` [tip: irq/core] " tip-bot2 for Thomas Gleixner
2023-03-01 10:55 ` [patch 05/39] " Miquel Raynal
2023-03-01 21:07 ` Thomas Gleixner
2023-03-02 14:43 ` Miquel Raynal
2023-03-02 17:22 ` [tip: irq/urgent] genirq/msi, platform-msi: Ensure that MSI descriptors are unreferenced tip-bot2 for Thomas Gleixner
2022-11-11 13:54 ` [patch 06/39] genirq/msi: Add missing kernel doc to msi_next_desc() Thomas Gleixner
2022-11-16 17:44 ` Jason Gunthorpe
2022-11-17 15:08 ` [tip: irq/core] " tip-bot2 for Thomas Gleixner
2022-11-11 13:54 ` [patch 07/39] genirq/msi: Make __msi_domain_alloc_irqs() static Thomas Gleixner
2022-11-16 17:44 ` Jason Gunthorpe
2022-11-17 15:08 ` [tip: irq/core] " tip-bot2 for Thomas Gleixner
2022-11-11 13:54 ` [patch 08/39] genirq/msi: Provide msi_domain_ops::post_free() Thomas Gleixner
2022-11-16 17:44 ` Jason Gunthorpe
2022-11-16 22:48 ` Thomas Gleixner
2022-11-17 15:08 ` [tip: irq/core] genirq/msi: Provide msi_domain_ops:: Post_free() tip-bot2 for Thomas Gleixner
2022-11-11 13:54 ` [patch 09/39] powerpc/pseries/msi: Use msi_domain_ops::msi_post_free() Thomas Gleixner
2022-11-16 17:45 ` Jason Gunthorpe
2022-11-17 15:08 ` [tip: irq/core] powerpc/pseries/msi: Use msi_domain_ops:: Msi_post_free() tip-bot2 for Thomas Gleixner
2022-11-11 13:54 ` [patch 10/39] genirq/msi: Make __msi_domain_free_irqs() static Thomas Gleixner
2022-11-16 17:46 ` Jason Gunthorpe
2022-11-17 15:08 ` [tip: irq/core] " tip-bot2 for Thomas Gleixner
2022-11-11 13:54 ` [patch 11/39] genirq/irqdomain: Move bus token enum into a seperate header Thomas Gleixner
2022-11-16 17:02 ` Ashok Raj
2022-11-16 17:48 ` Jason Gunthorpe
2022-11-17 15:08 ` [tip: irq/core] " tip-bot2 for Thomas Gleixner
2022-11-11 13:54 ` [patch 12/39] genirq/msi: Add bus token to struct msi_domain_info Thomas Gleixner
2022-11-16 17:49 ` Jason Gunthorpe
2022-11-16 22:50 ` Thomas Gleixner
2022-11-17 15:08 ` [tip: irq/core] " tip-bot2 for Ahmed S. Darwish
2022-11-11 13:54 ` [patch 13/39] PCI/MSI: Use msi_domain_info::bus_token Thomas Gleixner
2022-11-16 16:14 ` Bjorn Helgaas
2022-11-16 17:51 ` Jason Gunthorpe
2022-11-16 22:51 ` Thomas Gleixner
2022-11-17 15:08 ` [tip: irq/core] PCI/MSI: Use msi_domain_info:: Bus_token tip-bot2 for Ahmed S. Darwish
2022-11-11 13:54 ` [patch 14/39] PCI/MSI: Let the MSI core free descriptors Thomas Gleixner
2022-11-16 16:15 ` Bjorn Helgaas
2022-11-16 17:53 ` Jason Gunthorpe
2022-11-17 15:08 ` [tip: irq/core] " tip-bot2 for Ahmed S. Darwish
2022-11-11 13:54 ` [patch 15/39] PCI/MSI: Get rid of PCI_MSI_IRQ_DOMAIN Thomas Gleixner
2022-11-16 16:12 ` Bjorn Helgaas
2022-11-16 17:04 ` Thomas Gleixner
2022-11-16 17:53 ` Jason Gunthorpe
2022-11-17 15:08 ` [tip: irq/core] " tip-bot2 for Thomas Gleixner
2022-11-11 13:54 ` [patch 16/39] genirq: Get rid of GENERIC_MSI_IRQ_DOMAIN Thomas Gleixner
2022-11-16 17:54 ` Jason Gunthorpe
2022-11-17 15:08 ` [tip: irq/core] " tip-bot2 for Thomas Gleixner
2023-01-13 12:17 ` [PATCH] irqchip/imx: Do not unconditionally enable GENERIC_MSI_IRQ Ingo Molnar
2023-01-17 9:25 ` Thomas Gleixner
2022-11-11 13:54 ` [patch 17/39] PCI/MSI: Get rid of externs in msi.h Thomas Gleixner
2022-11-16 16:15 ` Bjorn Helgaas
2022-11-16 17:54 ` Jason Gunthorpe
2022-11-17 15:08 ` [tip: irq/core] " tip-bot2 for Ahmed S. Darwish
2022-11-11 13:54 ` Thomas Gleixner [this message]
2022-11-16 16:16 ` [patch 18/39] PCI/MSI: Move mask and unmask helpers to msi.h Bjorn Helgaas
2022-11-16 17:55 ` Jason Gunthorpe
2022-11-17 15:08 ` [tip: irq/core] " tip-bot2 for Ahmed S. Darwish
2022-11-11 13:54 ` [patch 19/39] PCI/MSI: Move pci_disable_msi() to api.c Thomas Gleixner
2022-11-16 16:16 ` Bjorn Helgaas
2022-11-17 15:08 ` [tip: irq/core] " tip-bot2 for Ahmed S. Darwish
2022-11-11 13:54 ` [patch 20/39] PCI/MSI: Move pci_enable_msi() API " Thomas Gleixner
2022-11-16 16:18 ` Bjorn Helgaas
2022-11-16 17:05 ` Thomas Gleixner
2022-11-17 15:08 ` [tip: irq/core] " tip-bot2 for Ahmed S. Darwish
2022-11-11 13:54 ` [patch 21/39] PCI/MSI: Move pci_enable_msix_range() " Thomas Gleixner
2022-11-16 16:20 ` Bjorn Helgaas
2022-11-17 15:08 ` [tip: irq/core] " tip-bot2 for Ahmed S. Darwish
2022-11-11 13:54 ` [patch 22/39] PCI/MSI: Move pci_alloc_irq_vectors() " Thomas Gleixner
2022-11-16 16:22 ` Bjorn Helgaas
2022-11-16 17:06 ` Thomas Gleixner
2022-11-17 15:08 ` [tip: irq/core] " tip-bot2 for Ahmed S. Darwish
2022-11-11 13:54 ` [patch 23/39] PCI/MSI: Move pci_alloc_irq_vectors_affinity() " Thomas Gleixner
2022-11-16 16:23 ` Bjorn Helgaas
2022-11-16 17:07 ` Thomas Gleixner
2022-11-18 12:34 ` Ahmed S. Darwish
2022-11-18 12:58 ` Peter Zijlstra
2022-11-17 15:08 ` [tip: irq/core] " tip-bot2 for Ahmed S. Darwish
2022-11-11 13:54 ` [patch 24/39] PCI/MSI: Move pci_irq_vector() " Thomas Gleixner
2022-11-16 16:23 ` Bjorn Helgaas
2022-11-17 15:08 ` [tip: irq/core] " tip-bot2 for Ahmed S. Darwish
2022-11-11 13:54 ` [patch 25/39] PCI/MSI: Move pci_free_irq_vectors() " Thomas Gleixner
2022-11-16 16:24 ` Bjorn Helgaas
2022-11-17 15:08 ` [tip: irq/core] " tip-bot2 for Ahmed S. Darwish
2022-11-11 13:54 ` [patch 26/39] PCI/MSI: Move pci_msix_vec_count() " Thomas Gleixner
2022-11-16 16:24 ` Bjorn Helgaas
2022-11-17 15:08 ` [tip: irq/core] " tip-bot2 for Ahmed S. Darwish
2022-11-11 13:54 ` [patch 27/39] PCI/MSI: Move pci_disable_msix() " Thomas Gleixner
2022-11-16 16:26 ` Bjorn Helgaas
2022-11-16 17:09 ` Thomas Gleixner
2022-11-17 15:08 ` [tip: irq/core] " tip-bot2 for Ahmed S. Darwish
2022-11-11 13:54 ` [patch 28/39] PCI/MSI: Move pci_irq_get_affinity() " Thomas Gleixner
2022-11-16 16:35 ` Bjorn Helgaas
2022-11-17 15:08 ` [tip: irq/core] " tip-bot2 for Ahmed S. Darwish
2022-11-11 13:55 ` [patch 29/39] PCI/MSI: Move pci_msi_enabled() " Thomas Gleixner
2022-11-16 16:26 ` Bjorn Helgaas
2022-11-17 15:08 ` [tip: irq/core] " tip-bot2 for Ahmed S. Darwish
2022-11-11 13:55 ` [patch 30/39] PCI/MSI: Move pci_msi_restore_state() " Thomas Gleixner
2022-11-16 16:27 ` Bjorn Helgaas
2022-11-16 17:42 ` Jason Gunthorpe
2022-11-17 15:08 ` [tip: irq/core] " tip-bot2 for Ahmed S. Darwish
2022-11-11 13:55 ` [patch 31/39] Documentation: PCI: Add reference to PCI/MSI device driver APIs Thomas Gleixner
2022-11-16 16:27 ` Bjorn Helgaas
2022-11-16 17:31 ` Jason Gunthorpe
2022-11-17 15:07 ` [tip: irq/core] " tip-bot2 for Ahmed S. Darwish
2022-11-11 13:55 ` [patch 32/39] PCI/MSI: Reorder functions in msi.c Thomas Gleixner
2022-11-16 16:28 ` Bjorn Helgaas
2022-11-16 17:10 ` Thomas Gleixner
2022-11-17 15:07 ` [tip: irq/core] " tip-bot2 for Ahmed S. Darwish
2022-11-11 13:55 ` [patch 33/39] PCI/MSI: Sanitize MSI-X checks Thomas Gleixner
2022-11-16 16:29 ` Bjorn Helgaas
2022-11-16 17:57 ` Jason Gunthorpe
2022-11-17 15:07 ` [tip: irq/core] " tip-bot2 for Thomas Gleixner
2022-11-18 7:38 ` [patch 33/39] " Tian, Kevin
2022-11-11 13:55 ` [patch 34/39] PCI/MSI: Reject multi-MSI early Thomas Gleixner
2022-11-16 16:31 ` Bjorn Helgaas
2022-11-17 8:22 ` Thomas Gleixner
2022-11-16 17:59 ` Jason Gunthorpe
2022-11-17 15:07 ` [tip: irq/core] " tip-bot2 for Thomas Gleixner
2022-11-11 13:55 ` [patch 35/39] PCI/MSI: Reject MSI-X early Thomas Gleixner
2022-11-16 16:31 ` Bjorn Helgaas
2022-11-16 18:00 ` Jason Gunthorpe
2022-11-17 15:07 ` [tip: irq/core] " tip-bot2 for Thomas Gleixner
2023-01-15 22:14 ` [PATCH] x86/xen: Set MSI_FLAG_PCI_MSIX support in Xen MSI domain David Woodhouse
2023-01-16 19:43 ` [tip: x86/urgent] x86/pci/xen: " tip-bot2 for David Woodhouse
2022-11-11 13:55 ` [patch 36/39] PCI/MSI: Validate MSIX contiguous restriction early Thomas Gleixner
2022-11-16 16:33 ` Bjorn Helgaas
2022-11-16 18:00 ` Jason Gunthorpe
2022-11-17 15:07 ` [tip: irq/core] PCI/MSI: Validate MSI-X " tip-bot2 for Thomas Gleixner
2022-11-11 13:55 ` [patch 37/39] PCI/MSI: Remove redundant msi_check() callback Thomas Gleixner
2022-11-16 16:34 ` Bjorn Helgaas
2022-11-16 18:01 ` Jason Gunthorpe
2022-11-17 15:07 ` [tip: irq/core] " tip-bot2 for Thomas Gleixner
2022-11-11 13:55 ` [patch 38/39] genirq/msi: Remove msi_domain_ops::msi_check() Thomas Gleixner
2022-11-16 18:01 ` Jason Gunthorpe
2022-11-17 15:07 ` [tip: irq/core] genirq/msi: Remove msi_domain_ops:: Msi_check() tip-bot2 for Thomas Gleixner
2022-11-11 13:55 ` [patch 39/39] x86/apic: Remove X86_IRQ_ALLOC_CONTIGUOUS_VECTORS Thomas Gleixner
2022-11-16 18:05 ` Jason Gunthorpe
2022-11-17 15:00 ` Thomas Gleixner
2022-11-17 15:07 ` [tip: irq/core] " tip-bot2 for Thomas Gleixner
2022-11-18 7:40 ` [patch 00/39] genirq, PCI/MSI: Support for per device MSI and PCI/IMS - Part 1 cleanups Tian, Kevin
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