From: Felix Fietkau Date: Sat, 13 Oct 2007 10:02:27 +0000 (+0000) Subject: Finally fix the annoying BCM4704 segfault issues (#2035) - tested with WL-500gP Thank... X-Git-Tag: 8.09_rc1~2433 X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=465ae7a4472410f4a87ebee160890b4d0f678e3f;p=openwrt%2Fsvn-archive%2Fopenwrt.git Finally fix the annoying BCM4704 segfault issues (#2035) - tested with WL-500gP Thanks to jhansen and Wolfram Joost for the fixes and to ryd for the test hardware. Seems like the user space segfaults actually came from this patch: lkml.org/lkml/2006/12/12/158 SVN-Revision: 9285 --- diff --git a/target/linux/brcm47xx/Makefile b/target/linux/brcm47xx/Makefile index b00d5d7401..5e0fe3d339 100644 --- a/target/linux/brcm47xx/Makefile +++ b/target/linux/brcm47xx/Makefile @@ -11,7 +11,7 @@ BOARD:=brcm47xx BOARDNAME:=Broadcom BCM947xx/953xx FEATURES:=squashfs usb -LINUX_VERSION:=2.6.22.4 +LINUX_VERSION:=2.6.23 include $(INCLUDE_DIR)/target.mk DEFAULT_PACKAGES += kmod-switch kmod-diag diff --git a/target/linux/brcm47xx/patches-2.6.23/120-b44_ssb_support.patch b/target/linux/brcm47xx/patches-2.6.23/120-b44_ssb_support.patch index e8114c6bbe..06865cff3c 100644 --- a/target/linux/brcm47xx/patches-2.6.23/120-b44_ssb_support.patch +++ b/target/linux/brcm47xx/patches-2.6.23/120-b44_ssb_support.patch @@ -1,7 +1,7 @@ Index: linux-2.6.23/drivers/net/b44.c =================================================================== ---- linux-2.6.23.orig/drivers/net/b44.c 2007-10-09 22:31:38.000000000 +0200 -+++ linux-2.6.23/drivers/net/b44.c 2007-10-13 02:46:38.946989430 +0200 +--- linux-2.6.23.orig/drivers/net/b44.c 2007-10-13 10:58:27.872607266 +0200 ++++ linux-2.6.23/drivers/net/b44.c 2007-10-13 11:00:46.916530927 +0200 @@ -1,7 +1,9 @@ -/* b44.c: Broadcom 4400 device driver. +/* b44.c: Broadcom 4400/47xx device driver. @@ -107,7 +107,7 @@ Index: linux-2.6.23/drivers/net/b44.c + unsigned long offset, + enum dma_data_direction dir) +{ -+ dma_sync_single_range_for_device(&sdev->dev, dma_base, ++ dma_sync_single_range_for_device(sdev->dev, dma_base, + offset & dma_desc_align_mask, + dma_desc_sync_size, dir); +} @@ -117,7 +117,7 @@ Index: linux-2.6.23/drivers/net/b44.c + unsigned long offset, + enum dma_data_direction dir) +{ -+ dma_sync_single_range_for_cpu(&sdev->dev, dma_base, ++ dma_sync_single_range_for_cpu(sdev->dev, dma_base, + offset & dma_desc_align_mask, + dma_desc_sync_size, dir); } @@ -370,7 +370,7 @@ Index: linux-2.6.23/drivers/net/b44.c BUG_ON(skb == NULL); - pci_unmap_single(bp->pdev, -+ dma_unmap_single(&bp->sdev->dev, ++ dma_unmap_single(bp->sdev->dev, pci_unmap_addr(rp, mapping), skb->len, - PCI_DMA_TODEVICE); @@ -383,7 +383,7 @@ Index: linux-2.6.23/drivers/net/b44.c return -ENOMEM; - mapping = pci_map_single(bp->pdev, skb->data, -+ mapping = dma_map_single(&bp->sdev->dev, skb->data, ++ mapping = dma_map_single(bp->sdev->dev, skb->data, RX_PKT_BUF_SZ, - PCI_DMA_FROMDEVICE); + DMA_FROM_DEVICE); @@ -395,13 +395,13 @@ Index: linux-2.6.23/drivers/net/b44.c /* Sigh... */ if (!dma_mapping_error(mapping)) - pci_unmap_single(bp->pdev, mapping, RX_PKT_BUF_SZ,PCI_DMA_FROMDEVICE); -+ dma_unmap_single(&bp->sdev->dev, mapping, RX_PKT_BUF_SZ,DMA_FROM_DEVICE); ++ dma_unmap_single(bp->sdev->dev, mapping, RX_PKT_BUF_SZ,DMA_FROM_DEVICE); dev_kfree_skb_any(skb); skb = __netdev_alloc_skb(bp->dev, RX_PKT_BUF_SZ, GFP_ATOMIC|GFP_DMA); if (skb == NULL) return -ENOMEM; - mapping = pci_map_single(bp->pdev, skb->data, -+ mapping = dma_map_single(&bp->sdev->dev, skb->data, ++ mapping = dma_map_single(bp->sdev->dev, skb->data, RX_PKT_BUF_SZ, - PCI_DMA_FROMDEVICE); + DMA_FROM_DEVICE); @@ -409,7 +409,7 @@ Index: linux-2.6.23/drivers/net/b44.c mapping + RX_PKT_BUF_SZ > DMA_30BIT_MASK) { if (!dma_mapping_error(mapping)) - pci_unmap_single(bp->pdev, mapping, RX_PKT_BUF_SZ,PCI_DMA_FROMDEVICE); -+ dma_unmap_single(&bp->sdev->dev, mapping, RX_PKT_BUF_SZ,DMA_FROM_DEVICE); ++ dma_unmap_single(bp->sdev->dev, mapping, RX_PKT_BUF_SZ,DMA_FROM_DEVICE); dev_kfree_skb_any(skb); return -ENOMEM; } @@ -451,7 +451,7 @@ Index: linux-2.6.23/drivers/net/b44.c + DMA_BIDIRECTIONAL); - pci_dma_sync_single_for_device(bp->pdev, le32_to_cpu(src_desc->addr), -+ dma_sync_single_for_device(&bp->sdev->dev, le32_to_cpu(src_desc->addr), ++ dma_sync_single_for_device(bp->sdev->dev, le32_to_cpu(src_desc->addr), RX_PKT_BUF_SZ, - PCI_DMA_FROMDEVICE); + DMA_FROM_DEVICE); @@ -463,7 +463,7 @@ Index: linux-2.6.23/drivers/net/b44.c u16 len; - pci_dma_sync_single_for_cpu(bp->pdev, map, -+ dma_sync_single_for_cpu(&bp->sdev->dev, map, ++ dma_sync_single_for_cpu(bp->sdev->dev, map, RX_PKT_BUF_SZ, - PCI_DMA_FROMDEVICE); + DMA_FROM_DEVICE); @@ -476,7 +476,7 @@ Index: linux-2.6.23/drivers/net/b44.c goto drop_it; - pci_unmap_single(bp->pdev, map, - skb_size, PCI_DMA_FROMDEVICE); -+ dma_unmap_single(&bp->sdev->dev, map, ++ dma_unmap_single(bp->sdev->dev, map, + skb_size, DMA_FROM_DEVICE); /* Leave out rx_header */ skb_put(skb, len + RX_PKT_OFFSET); @@ -486,14 +486,14 @@ Index: linux-2.6.23/drivers/net/b44.c } - mapping = pci_map_single(bp->pdev, skb->data, len, PCI_DMA_TODEVICE); -+ mapping = dma_map_single(&bp->sdev->dev, skb->data, len, DMA_TO_DEVICE); ++ mapping = dma_map_single(bp->sdev->dev, skb->data, len, DMA_TO_DEVICE); if (dma_mapping_error(mapping) || mapping + len > DMA_30BIT_MASK) { struct sk_buff *bounce_skb; /* Chip can't handle DMA to/from >1GB, use bounce buffer */ if (!dma_mapping_error(mapping)) - pci_unmap_single(bp->pdev, mapping, len, PCI_DMA_TODEVICE); -+ dma_unmap_single(&bp->sdev->dev, mapping, len, DMA_TO_DEVICE); ++ dma_unmap_single(bp->sdev->dev, mapping, len, DMA_TO_DEVICE); bounce_skb = __dev_alloc_skb(len, GFP_ATOMIC | GFP_DMA); if (!bounce_skb) @@ -501,13 +501,13 @@ Index: linux-2.6.23/drivers/net/b44.c - mapping = pci_map_single(bp->pdev, bounce_skb->data, - len, PCI_DMA_TODEVICE); -+ mapping = dma_map_single(&bp->sdev->dev, bounce_skb->data, ++ mapping = dma_map_single(bp->sdev->dev, bounce_skb->data, + len, DMA_TO_DEVICE); if (dma_mapping_error(mapping) || mapping + len > DMA_30BIT_MASK) { if (!dma_mapping_error(mapping)) - pci_unmap_single(bp->pdev, mapping, - len, PCI_DMA_TODEVICE); -+ dma_unmap_single(&bp->sdev->dev, mapping, ++ dma_unmap_single(bp->sdev->dev, mapping, + len, DMA_TO_DEVICE); dev_kfree_skb_any(bounce_skb); goto err_out; @@ -530,7 +530,7 @@ Index: linux-2.6.23/drivers/net/b44.c if (rp->skb == NULL) continue; - pci_unmap_single(bp->pdev, -+ dma_unmap_single(&bp->sdev->dev, ++ dma_unmap_single(bp->sdev->dev, pci_unmap_addr(rp, mapping), RX_PKT_BUF_SZ, - PCI_DMA_FROMDEVICE); @@ -543,7 +543,7 @@ Index: linux-2.6.23/drivers/net/b44.c if (rp->skb == NULL) continue; - pci_unmap_single(bp->pdev, -+ dma_unmap_single(&bp->sdev->dev, ++ dma_unmap_single(bp->sdev->dev, pci_unmap_addr(rp, mapping), rp->skb->len, - PCI_DMA_TODEVICE); @@ -558,7 +558,7 @@ Index: linux-2.6.23/drivers/net/b44.c - dma_sync_single_for_device(&bp->pdev->dev, bp->rx_ring_dma, - DMA_TABLE_BYTES, - PCI_DMA_BIDIRECTIONAL); -+ dma_sync_single_for_device(&bp->sdev->dev, bp->rx_ring_dma, ++ dma_sync_single_for_device(bp->sdev->dev, bp->rx_ring_dma, + DMA_TABLE_BYTES, + DMA_BIDIRECTIONAL); @@ -566,7 +566,7 @@ Index: linux-2.6.23/drivers/net/b44.c - dma_sync_single_for_device(&bp->pdev->dev, bp->tx_ring_dma, - DMA_TABLE_BYTES, - PCI_DMA_TODEVICE); -+ dma_sync_single_for_device(&bp->sdev->dev, bp->tx_ring_dma, ++ dma_sync_single_for_device(bp->sdev->dev, bp->tx_ring_dma, + DMA_TABLE_BYTES, + DMA_TO_DEVICE); @@ -579,13 +579,13 @@ Index: linux-2.6.23/drivers/net/b44.c - dma_unmap_single(&bp->pdev->dev, bp->rx_ring_dma, - DMA_TABLE_BYTES, - DMA_BIDIRECTIONAL); -+ dma_unmap_single(&bp->sdev->dev, bp->rx_ring_dma, ++ dma_unmap_single(bp->sdev->dev, bp->rx_ring_dma, + DMA_TABLE_BYTES, + DMA_BIDIRECTIONAL); kfree(bp->rx_ring); } else - pci_free_consistent(bp->pdev, DMA_TABLE_BYTES, -+ dma_free_coherent(&bp->sdev->dev, DMA_TABLE_BYTES, ++ dma_free_coherent(bp->sdev->dev, DMA_TABLE_BYTES, bp->rx_ring, bp->rx_ring_dma); bp->rx_ring = NULL; bp->flags &= ~B44_FLAG_RX_RING_HACK; @@ -595,13 +595,13 @@ Index: linux-2.6.23/drivers/net/b44.c - dma_unmap_single(&bp->pdev->dev, bp->tx_ring_dma, - DMA_TABLE_BYTES, - DMA_TO_DEVICE); -+ dma_unmap_single(&bp->sdev->dev, bp->tx_ring_dma, ++ dma_unmap_single(bp->sdev->dev, bp->tx_ring_dma, + DMA_TABLE_BYTES, + DMA_TO_DEVICE); kfree(bp->tx_ring); } else - pci_free_consistent(bp->pdev, DMA_TABLE_BYTES, -+ dma_free_coherent(&bp->sdev->dev, DMA_TABLE_BYTES, ++ dma_free_coherent(bp->sdev->dev, DMA_TABLE_BYTES, bp->tx_ring, bp->tx_ring_dma); bp->tx_ring = NULL; bp->flags &= ~B44_FLAG_TX_RING_HACK; @@ -610,7 +610,7 @@ Index: linux-2.6.23/drivers/net/b44.c size = DMA_TABLE_BYTES; - bp->rx_ring = pci_alloc_consistent(bp->pdev, size, &bp->rx_ring_dma); -+ bp->rx_ring = dma_alloc_coherent(&bp->sdev->dev, size, &bp->rx_ring_dma, GFP_ATOMIC); ++ bp->rx_ring = dma_alloc_coherent(bp->sdev->dev, size, &bp->rx_ring_dma, GFP_ATOMIC); if (!bp->rx_ring) { /* Allocation may have failed due to pci_alloc_consistent insisting on use of GFP_DMA, which is more restrictive @@ -621,7 +621,7 @@ Index: linux-2.6.23/drivers/net/b44.c - rx_ring_dma = dma_map_single(&bp->pdev->dev, rx_ring, - DMA_TABLE_BYTES, - DMA_BIDIRECTIONAL); -+ rx_ring_dma = dma_map_single(&bp->sdev->dev, rx_ring, ++ rx_ring_dma = dma_map_single(bp->sdev->dev, rx_ring, + DMA_TABLE_BYTES, + DMA_BIDIRECTIONAL); @@ -632,7 +632,7 @@ Index: linux-2.6.23/drivers/net/b44.c } - bp->tx_ring = pci_alloc_consistent(bp->pdev, size, &bp->tx_ring_dma); -+ bp->tx_ring = dma_alloc_coherent(&bp->sdev->dev, size, &bp->tx_ring_dma, GFP_ATOMIC); ++ bp->tx_ring = dma_alloc_coherent(bp->sdev->dev, size, &bp->tx_ring_dma, GFP_ATOMIC); if (!bp->tx_ring) { - /* Allocation may have failed due to pci_alloc_consistent + /* Allocation may have failed due to dma_alloc_coherent @@ -646,7 +646,7 @@ Index: linux-2.6.23/drivers/net/b44.c - tx_ring_dma = dma_map_single(&bp->pdev->dev, tx_ring, - DMA_TABLE_BYTES, - DMA_TO_DEVICE); -+ tx_ring_dma = dma_map_single(&bp->sdev->dev, tx_ring, ++ tx_ring_dma = dma_map_single(bp->sdev->dev, tx_ring, + DMA_TABLE_BYTES, + DMA_TO_DEVICE); @@ -1115,7 +1115,7 @@ Index: linux-2.6.23/drivers/net/b44.c if (!is_valid_ether_addr(&bp->dev->dev_addr[0])){ printk(KERN_ERR PFX "Invalid MAC address found in EEPROM\n"); -@@ -2086,26 +2282,20 @@ +@@ -2086,103 +2282,52 @@ memcpy(bp->dev->perm_addr, bp->dev->dev_addr, bp->dev->addr_len); @@ -1131,7 +1131,7 @@ Index: linux-2.6.23/drivers/net/b44.c */ - if (ssb_get_core_rev(bp) >= 7) -+ if (bp->sdev->dev->id.revision >= 7) ++ if (bp->sdev->id.revision >= 7) bp->flags |= B44_FLAG_B0_ANDLATER; -out: @@ -1144,8 +1144,8 @@ Index: linux-2.6.23/drivers/net/b44.c + const struct ssb_device_id *ent) { static int b44_version_printed = 0; - unsigned long b44reg_base, b44reg_len; -@@ -2113,76 +2303,32 @@ +- unsigned long b44reg_base, b44reg_len; + struct net_device *dev; struct b44 *bp; int err, i; @@ -1195,7 +1195,8 @@ Index: linux-2.6.23/drivers/net/b44.c - dev = alloc_etherdev(sizeof(*bp)); if (!dev) { - dev_err(&pdev->dev, "Etherdev alloc failed, aborting.\n"); +- dev_err(&pdev->dev, "Etherdev alloc failed, aborting.\n"); ++ dev_err(sdev->dev, "Etherdev alloc failed, aborting.\n"); err = -ENOMEM; - goto err_out_free_res; + goto out; @@ -1203,7 +1204,7 @@ Index: linux-2.6.23/drivers/net/b44.c SET_MODULE_OWNER(dev); - SET_NETDEV_DEV(dev,&pdev->dev); -+ SET_NETDEV_DEV(dev,&sdev->dev); ++ SET_NETDEV_DEV(dev,sdev->dev); /* No interesting netdevice features in this card... */ dev->features |= 0; @@ -1227,7 +1228,7 @@ Index: linux-2.6.23/drivers/net/b44.c bp->rx_pending = B44_DEF_RX_RING_PENDING; bp->tx_pending = B44_DEF_TX_RING_PENDING; -@@ -2201,16 +2347,16 @@ +@@ -2201,16 +2346,16 @@ dev->poll_controller = b44_poll_controller; #endif dev->change_mtu = b44_change_mtu; @@ -1240,20 +1241,20 @@ Index: linux-2.6.23/drivers/net/b44.c err = b44_get_invariants(bp); if (err) { - dev_err(&pdev->dev, -+ dev_err(&sdev->dev, ++ dev_err(sdev->dev, "Problem fetching invariants of chip, aborting.\n"); - goto err_out_iounmap; + goto err_out_free_dev; } bp->mii_if.dev = dev; -@@ -2229,61 +2375,52 @@ +@@ -2229,61 +2374,52 @@ err = register_netdev(dev); if (err) { - dev_err(&pdev->dev, "Cannot register net device, aborting.\n"); - goto err_out_iounmap; -+ dev_err(&sdev->dev, "Cannot register net device, aborting.\n"); ++ dev_err(sdev->dev, "Cannot register net device, aborting.\n"); + goto out; } @@ -1325,7 +1326,7 @@ Index: linux-2.6.23/drivers/net/b44.c del_timer_sync(&bp->timer); -@@ -2301,26 +2438,16 @@ +@@ -2301,33 +2437,22 @@ b44_init_hw(bp, B44_PARTIAL_RESET); b44_setup_wol(bp); } @@ -1355,7 +1356,14 @@ Index: linux-2.6.23/drivers/net/b44.c if (!netif_running(dev)) return 0; -@@ -2346,29 +2473,31 @@ + rc = request_irq(dev->irq, b44_interrupt, IRQF_SHARED, dev->name, dev); + if (rc) { + printk(KERN_ERR PFX "%s: request_irq failed\n", dev->name); +- pci_disable_device(pdev); + return rc; + } + +@@ -2346,29 +2471,31 @@ return 0; } @@ -1395,8 +1403,8 @@ Index: linux-2.6.23/drivers/net/b44.c module_init(b44_init); Index: linux-2.6.23/drivers/net/b44.h =================================================================== ---- linux-2.6.23.orig/drivers/net/b44.h 2007-10-09 22:31:38.000000000 +0200 -+++ linux-2.6.23/drivers/net/b44.h 2007-10-13 02:28:25.848697310 +0200 +--- linux-2.6.23.orig/drivers/net/b44.h 2007-10-13 10:58:27.880607722 +0200 ++++ linux-2.6.23/drivers/net/b44.h 2007-10-13 11:00:46.904530245 +0200 @@ -129,6 +129,7 @@ #define RXCONFIG_FLOW 0x00000020 /* Flow Control Enable */ #define RXCONFIG_FLOW_ACCEPT 0x00000040 /* Accept Unicast Flow Control Frame */ @@ -1522,8 +1530,8 @@ Index: linux-2.6.23/drivers/net/b44.h dma_addr_t rx_ring_dma, tx_ring_dma; Index: linux-2.6.23/drivers/net/Kconfig =================================================================== ---- linux-2.6.23.orig/drivers/net/Kconfig 2007-10-13 02:19:47.919182188 +0200 -+++ linux-2.6.23/drivers/net/Kconfig 2007-10-13 02:28:25.860697993 +0200 +--- linux-2.6.23.orig/drivers/net/Kconfig 2007-10-13 10:58:27.888608180 +0200 ++++ linux-2.6.23/drivers/net/Kconfig 2007-10-13 11:00:46.912530699 +0200 @@ -1577,7 +1577,7 @@ config B44 diff --git a/target/linux/brcm47xx/patches-2.6.23/150-cpu_fixes.patch b/target/linux/brcm47xx/patches-2.6.23/150-cpu_fixes.patch index fe759dc62b..d19ba81fad 100644 --- a/target/linux/brcm47xx/patches-2.6.23/150-cpu_fixes.patch +++ b/target/linux/brcm47xx/patches-2.6.23/150-cpu_fixes.patch @@ -1,7 +1,7 @@ Index: linux-2.6.23/arch/mips/kernel/genex.S =================================================================== ---- linux-2.6.23.orig/arch/mips/kernel/genex.S 2007-10-09 22:31:38.000000000 +0200 -+++ linux-2.6.23/arch/mips/kernel/genex.S 2007-10-13 02:47:32.546043867 +0200 +--- linux-2.6.23.orig/arch/mips/kernel/genex.S 2007-10-13 11:29:46.219648163 +0200 ++++ linux-2.6.23/arch/mips/kernel/genex.S 2007-10-13 11:29:49.619841933 +0200 @@ -51,6 +51,10 @@ NESTED(except_vec3_generic, 0, sp) .set push @@ -15,8 +15,8 @@ Index: linux-2.6.23/arch/mips/kernel/genex.S #endif Index: linux-2.6.23/arch/mips/mm/c-r4k.c =================================================================== ---- linux-2.6.23.orig/arch/mips/mm/c-r4k.c 2007-10-13 02:47:02.792348301 +0200 -+++ linux-2.6.23/arch/mips/mm/c-r4k.c 2007-10-13 02:55:35.877587360 +0200 +--- linux-2.6.23.orig/arch/mips/mm/c-r4k.c 2007-10-13 11:29:46.227648623 +0200 ++++ linux-2.6.23/arch/mips/mm/c-r4k.c 2007-10-13 11:29:49.619841933 +0200 @@ -30,6 +30,9 @@ #include /* for run_uncached() */ @@ -27,19 +27,7 @@ Index: linux-2.6.23/arch/mips/mm/c-r4k.c /* * Special Variant of smp_call_function for use by cache functions: * -@@ -86,14 +89,21 @@ - - static inline void r4k_blast_dcache_page_dc32(unsigned long addr) - { -+ unsigned long flags; -+ -+ local_irq_save(flags); - R4600_HIT_CACHEOP_WAR_IMPL; - blast_dcache32_page(addr); -+ local_irq_restore(flags); - } - - static void __init r4k_blast_dcache_page_setup(void) +@@ -94,6 +97,9 @@ { unsigned long dc_lsize = cpu_dcache_line_size(); @@ -49,7 +37,7 @@ Index: linux-2.6.23/arch/mips/mm/c-r4k.c if (dc_lsize == 0) r4k_blast_dcache_page = (void *)cache_noop; else if (dc_lsize == 16) -@@ -108,6 +118,9 @@ +@@ -108,6 +114,9 @@ { unsigned long dc_lsize = cpu_dcache_line_size(); @@ -59,7 +47,7 @@ Index: linux-2.6.23/arch/mips/mm/c-r4k.c if (dc_lsize == 0) r4k_blast_dcache_page_indexed = (void *)cache_noop; else if (dc_lsize == 16) -@@ -122,6 +135,9 @@ +@@ -122,6 +131,9 @@ { unsigned long dc_lsize = cpu_dcache_line_size(); @@ -69,274 +57,16 @@ Index: linux-2.6.23/arch/mips/mm/c-r4k.c if (dc_lsize == 0) r4k_blast_dcache = (void *)cache_noop; else if (dc_lsize == 16) -@@ -203,8 +219,12 @@ - - static void (* r4k_blast_icache_page)(unsigned long addr); - -+static void r4k_flush_cache_all(void); - static void __init r4k_blast_icache_page_setup(void) - { -+#ifdef CONFIG_BCM947XX -+ r4k_blast_icache_page = (void *)r4k_flush_cache_all; -+#else - unsigned long ic_lsize = cpu_icache_line_size(); - - if (ic_lsize == 0) -@@ -215,6 +235,7 @@ - r4k_blast_icache_page = blast_icache32_page; - else if (ic_lsize == 64) - r4k_blast_icache_page = blast_icache64_page; -+#endif - } - - -@@ -222,6 +243,9 @@ - - static void __init r4k_blast_icache_page_indexed_setup(void) - { -+#ifdef CONFIG_BCM947XX -+ r4k_blast_icache_page_indexed = (void *)r4k_flush_cache_all; -+#else - unsigned long ic_lsize = cpu_icache_line_size(); - - if (ic_lsize == 0) -@@ -240,6 +264,7 @@ - blast_icache32_page_indexed; - } else if (ic_lsize == 64) - r4k_blast_icache_page_indexed = blast_icache64_page_indexed; -+#endif - } - - static void (* r4k_blast_icache)(void); -@@ -323,12 +348,17 @@ - */ - static inline void local_r4k_flush_cache_all(void * args) - { -+ unsigned long flags; -+ -+ local_irq_save(flags); - r4k_blast_dcache(); -+ r4k_blast_icache(); -+ local_irq_restore(flags); - } - - static void r4k_flush_cache_all(void) - { -- if (!cpu_has_dc_aliases) -+ if (!cpu_has_dc_aliases && cpu_use_kmap_coherent) - return; - - r4k_on_each_cpu(local_r4k_flush_cache_all, NULL, 1, 1); -@@ -336,6 +366,9 @@ - - static inline void local_r4k___flush_cache_all(void * args) - { -+ unsigned long flags; -+ -+ local_irq_save(flags); - #if defined(CONFIG_CPU_LOONGSON2) - r4k_blast_scache(); - return; -@@ -353,6 +386,7 @@ - case CPU_R14000: - r4k_blast_scache(); - } -+ local_irq_restore(flags); - } - - static void r4k___flush_cache_all(void) -@@ -363,17 +397,21 @@ - static inline void local_r4k_flush_cache_range(void * args) - { - struct vm_area_struct *vma = args; -+ unsigned long flags; - - if (!(cpu_context(smp_processor_id(), vma->vm_mm))) - return; - -+ local_irq_save(flags); - r4k_blast_dcache(); -+ r4k_blast_icache(); -+ local_irq_restore(flags); - } - - static void r4k_flush_cache_range(struct vm_area_struct *vma, - unsigned long start, unsigned long end) - { -- if (!cpu_has_dc_aliases) -+ if (!cpu_has_dc_aliases && cpu_use_kmap_coherent) - return; - - r4k_on_each_cpu(local_r4k_flush_cache_range, vma, 1, 1); -@@ -382,6 +420,7 @@ - static inline void local_r4k_flush_cache_mm(void * args) - { - struct mm_struct *mm = args; -+ unsigned long flags; - - if (!cpu_context(smp_processor_id(), mm)) - return; -@@ -400,12 +439,15 @@ - return; - } - -+ local_irq_save(flags); - r4k_blast_dcache(); -+ r4k_blast_icache(); -+ local_irq_restore(flags); - } - - static void r4k_flush_cache_mm(struct mm_struct *mm) - { -- if (!cpu_has_dc_aliases) -+ if (!cpu_has_dc_aliases && cpu_use_kmap_coherent) - return; - - r4k_on_each_cpu(local_r4k_flush_cache_mm, mm, 1, 1); -@@ -425,6 +467,7 @@ - unsigned long paddr = fcp_args->pfn << PAGE_SHIFT; - int exec = vma->vm_flags & VM_EXEC; - struct mm_struct *mm = vma->vm_mm; -+ unsigned long flags; - pgd_t *pgdp; - pud_t *pudp; - pmd_t *pmdp; -@@ -456,8 +499,9 @@ - * for every cache flush operation. So we do indexed flushes - * in that case, which doesn't overly flush the cache too much. - */ -+ local_irq_save(flags); - if ((mm == current->active_mm) && (pte_val(*ptep) & _PAGE_VALID)) { -- if (cpu_has_dc_aliases || (exec && !cpu_has_ic_fills_f_dc)) { -+ if (!cpu_use_kmap_coherent || cpu_has_dc_aliases || (exec && !cpu_has_ic_fills_f_dc)) { - r4k_blast_dcache_page(addr); - if (exec && !cpu_icache_snoops_remote_store) - r4k_blast_scache_page(addr); -@@ -465,14 +509,14 @@ - if (exec) - r4k_blast_icache_page(addr); - -- return; -+ goto done; - } - - /* - * Do indexed flush, too much work to get the (possible) TLB refills - * to work correctly. - */ -- if (cpu_has_dc_aliases || (exec && !cpu_has_ic_fills_f_dc)) { -+ if (!cpu_use_kmap_coherent || cpu_has_dc_aliases || (exec && !cpu_has_ic_fills_f_dc)) { - r4k_blast_dcache_page_indexed(cpu_has_pindexed_dcache ? - paddr : addr); - if (exec && !cpu_icache_snoops_remote_store) { -@@ -488,6 +532,8 @@ - } else - r4k_blast_icache_page_indexed(addr); - } -+done: -+ local_irq_restore(flags); - } - - static void r4k_flush_cache_page(struct vm_area_struct *vma, -@@ -504,7 +550,11 @@ - - static inline void local_r4k_flush_data_cache_page(void * addr) - { -+ unsigned long flags; -+ -+ local_irq_save(flags); - r4k_blast_dcache_page((unsigned long) addr); -+ local_irq_restore(flags); - } - - static void r4k_flush_data_cache_page(unsigned long addr) -@@ -547,6 +597,9 @@ - - static void r4k_flush_icache_range(unsigned long start, unsigned long end) - { -+#ifdef CONFIG_BCM947XX -+ r4k_flush_cache_all(); -+#else - struct flush_icache_range_args args; - - args.start = start; -@@ -554,12 +607,15 @@ - - r4k_on_each_cpu(local_r4k_flush_icache_range, &args, 1, 1); - instruction_hazard(); -+#endif - } - - #ifdef CONFIG_DMA_NONCOHERENT - - static void r4k_dma_cache_wback_inv(unsigned long addr, unsigned long size) - { -+ unsigned long flags; -+ - /* Catch bad driver code */ - BUG_ON(size == 0); - -@@ -576,18 +632,21 @@ - * subset property so we have to flush the primary caches - * explicitly - */ -+ local_irq_save(flags); - if (size >= dcache_size) { - r4k_blast_dcache(); - } else { - R4600_HIT_CACHEOP_WAR_IMPL; - blast_dcache_range(addr, addr + size); - } -- - bc_wback_inv(addr, size); -+ local_irq_restore(flags); - } - - static void r4k_dma_cache_inv(unsigned long addr, unsigned long size) - { -+ unsigned long flags; -+ - /* Catch bad driver code */ - BUG_ON(size == 0); - -@@ -599,6 +658,7 @@ - return; - } - -+ local_irq_save(flags); - if (size >= dcache_size) { - r4k_blast_dcache(); - } else { -@@ -607,6 +667,7 @@ - } - - bc_inv(addr, size); -+ local_irq_restore(flags); - } - #endif /* CONFIG_DMA_NONCOHERENT */ - -@@ -621,8 +682,12 @@ - unsigned long dc_lsize = cpu_dcache_line_size(); - unsigned long sc_lsize = cpu_scache_line_size(); +@@ -623,6 +635,8 @@ unsigned long addr = (unsigned long) arg; -+ unsigned long flags; -+ local_irq_save(flags); R4600_HIT_CACHEOP_WAR_IMPL; + BCM4710_PROTECTED_FILL_TLB(addr); + BCM4710_PROTECTED_FILL_TLB(addr + 4); if (dc_lsize) protected_writeback_dcache_line(addr & ~(dc_lsize - 1)); if (!cpu_icache_snoops_remote_store && scache_size) -@@ -649,6 +714,7 @@ - } - if (MIPS_CACHE_SYNC_WAR) - __asm__ __volatile__ ("sync"); -+ local_irq_restore(flags); - } - - static void r4k_flush_cache_sigtramp(unsigned long addr) -@@ -1198,6 +1264,17 @@ +@@ -1198,6 +1212,17 @@ * silly idea of putting something else there ... */ switch (current_cpu_data.cputype) { @@ -354,7 +84,7 @@ Index: linux-2.6.23/arch/mips/mm/c-r4k.c case CPU_R4000PC: case CPU_R4000SC: case CPU_R4000MC: -@@ -1228,6 +1305,15 @@ +@@ -1228,6 +1253,15 @@ /* Default cache error handler for R4000 and R5000 family */ set_uncached_handler (0x100, &except_vec2_generic, 0x80); @@ -370,7 +100,7 @@ Index: linux-2.6.23/arch/mips/mm/c-r4k.c probe_pcache(); setup_scache(); -@@ -1273,5 +1359,13 @@ +@@ -1273,5 +1307,13 @@ build_clear_page(); build_copy_page(); local_r4k___flush_cache_all(NULL); @@ -386,44 +116,32 @@ Index: linux-2.6.23/arch/mips/mm/c-r4k.c } Index: linux-2.6.23/arch/mips/mm/tlbex.c =================================================================== ---- linux-2.6.23.orig/arch/mips/mm/tlbex.c 2007-10-13 02:26:00.272401391 +0200 -+++ linux-2.6.23/arch/mips/mm/tlbex.c 2007-10-13 02:47:32.550044103 +0200 -@@ -1247,6 +1247,10 @@ - #endif - } - -+#ifdef CONFIG_BCM947XX -+extern int bcm4710; -+#endif -+ - static void __init build_r4000_tlb_refill_handler(void) - { - u32 *p = tlb_handler; -@@ -1261,6 +1265,10 @@ - memset(relocs, 0, sizeof(relocs)); - memset(final_handler, 0, sizeof(final_handler)); +--- linux-2.6.23.orig/arch/mips/mm/tlbex.c 2007-10-13 11:29:46.235649074 +0200 ++++ linux-2.6.23/arch/mips/mm/tlbex.c 2007-10-13 11:35:46.076155216 +0200 +@@ -1273,6 +1273,9 @@ + /* No need for i_nop */ + } +#ifdef CONFIG_BCM947XX + i_nop(&p); +#endif -+ - /* - * create the plain linear handler - */ -@@ -1756,6 +1764,9 @@ - memset(labels, 0, sizeof(labels)); - memset(relocs, 0, sizeof(relocs)); - + #ifdef CONFIG_64BIT + build_get_pmde64(&p, &l, &r, K0, K1); /* get pmd in K1 */ + #else +@@ -1708,6 +1711,9 @@ + struct reloc **r, unsigned int pte, + unsigned int ptr) + { +#ifdef CONFIG_BCM947XX -+ i_nop(&p); ++ i_nop(p); +#endif - if (bcm1250_m3_war()) { - i_MFC0(&p, K0, C0_BADVADDR); - i_MFC0(&p, K1, C0_ENTRYHI); + #ifdef CONFIG_64BIT + build_get_pmde64(p, l, r, pte, ptr); /* get pmd in ptr */ + #else Index: linux-2.6.23/include/asm-mips/r4kcache.h =================================================================== ---- linux-2.6.23.orig/include/asm-mips/r4kcache.h 2007-10-09 22:31:38.000000000 +0200 -+++ linux-2.6.23/include/asm-mips/r4kcache.h 2007-10-13 02:47:32.554044332 +0200 +--- linux-2.6.23.orig/include/asm-mips/r4kcache.h 2007-10-13 11:29:46.255650214 +0200 ++++ linux-2.6.23/include/asm-mips/r4kcache.h 2007-10-13 11:29:49.631842613 +0200 @@ -17,6 +17,20 @@ #include #include @@ -628,8 +346,8 @@ Index: linux-2.6.23/include/asm-mips/r4kcache.h #endif /* _ASM_R4KCACHE_H */ Index: linux-2.6.23/include/asm-mips/stackframe.h =================================================================== ---- linux-2.6.23.orig/include/asm-mips/stackframe.h 2007-10-09 22:31:38.000000000 +0200 -+++ linux-2.6.23/include/asm-mips/stackframe.h 2007-10-13 02:47:32.554044332 +0200 +--- linux-2.6.23.orig/include/asm-mips/stackframe.h 2007-10-13 11:29:46.263650671 +0200 ++++ linux-2.6.23/include/asm-mips/stackframe.h 2007-10-13 11:33:38.504885346 +0200 @@ -350,6 +350,10 @@ .macro RESTORE_SP_AND_RET LONG_L sp, PT_R29(sp) diff --git a/target/linux/brcm47xx/patches-2.6.23/200-b44_ssb_fixup.patch b/target/linux/brcm47xx/patches-2.6.23/200-b44_ssb_fixup.patch deleted file mode 100644 index e0456c6d8a..0000000000 --- a/target/linux/brcm47xx/patches-2.6.23/200-b44_ssb_fixup.patch +++ /dev/null @@ -1,274 +0,0 @@ -Index: linux-2.6.23/drivers/net/b44.c -=================================================================== ---- linux-2.6.23.orig/drivers/net/b44.c 2007-10-13 02:46:38.946989430 +0200 -+++ linux-2.6.23/drivers/net/b44.c 2007-10-13 03:15:34.889915180 +0200 -@@ -129,7 +129,7 @@ - unsigned long offset, - enum dma_data_direction dir) - { -- dma_sync_single_range_for_device(&sdev->dev, dma_base, -+ dma_sync_single_range_for_device(sdev->dev, dma_base, - offset & dma_desc_align_mask, - dma_desc_sync_size, dir); - } -@@ -139,7 +139,7 @@ - unsigned long offset, - enum dma_data_direction dir) - { -- dma_sync_single_range_for_cpu(&sdev->dev, dma_base, -+ dma_sync_single_range_for_cpu(sdev->dev, dma_base, - offset & dma_desc_align_mask, - dma_desc_sync_size, dir); - } -@@ -563,7 +563,7 @@ - - BUG_ON(skb == NULL); - -- dma_unmap_single(&bp->sdev->dev, -+ dma_unmap_single(bp->sdev->dev, - pci_unmap_addr(rp, mapping), - skb->len, - DMA_TO_DEVICE); -@@ -603,7 +603,7 @@ - if (skb == NULL) - return -ENOMEM; - -- mapping = dma_map_single(&bp->sdev->dev, skb->data, -+ mapping = dma_map_single(bp->sdev->dev, skb->data, - RX_PKT_BUF_SZ, - DMA_FROM_DEVICE); - -@@ -613,18 +613,18 @@ - mapping + RX_PKT_BUF_SZ > DMA_30BIT_MASK) { - /* Sigh... */ - if (!dma_mapping_error(mapping)) -- dma_unmap_single(&bp->sdev->dev, mapping, RX_PKT_BUF_SZ,DMA_FROM_DEVICE); -+ dma_unmap_single(bp->sdev->dev, mapping, RX_PKT_BUF_SZ,DMA_FROM_DEVICE); - dev_kfree_skb_any(skb); - skb = __netdev_alloc_skb(bp->dev, RX_PKT_BUF_SZ, GFP_ATOMIC|GFP_DMA); - if (skb == NULL) - return -ENOMEM; -- mapping = dma_map_single(&bp->sdev->dev, skb->data, -+ mapping = dma_map_single(bp->sdev->dev, skb->data, - RX_PKT_BUF_SZ, - DMA_FROM_DEVICE); - if (dma_mapping_error(mapping) || - mapping + RX_PKT_BUF_SZ > DMA_30BIT_MASK) { - if (!dma_mapping_error(mapping)) -- dma_unmap_single(&bp->sdev->dev, mapping, RX_PKT_BUF_SZ,DMA_FROM_DEVICE); -+ dma_unmap_single(bp->sdev->dev, mapping, RX_PKT_BUF_SZ,DMA_FROM_DEVICE); - dev_kfree_skb_any(skb); - return -ENOMEM; - } -@@ -700,7 +700,7 @@ - dest_idx * sizeof(dest_desc), - DMA_BIDIRECTIONAL); - -- dma_sync_single_for_device(&bp->sdev->dev, le32_to_cpu(src_desc->addr), -+ dma_sync_single_for_device(bp->sdev->dev, le32_to_cpu(src_desc->addr), - RX_PKT_BUF_SZ, - DMA_FROM_DEVICE); - } -@@ -722,7 +722,7 @@ - struct rx_header *rh; - u16 len; - -- dma_sync_single_for_cpu(&bp->sdev->dev, map, -+ dma_sync_single_for_cpu(bp->sdev->dev, map, - RX_PKT_BUF_SZ, - DMA_FROM_DEVICE); - rh = (struct rx_header *) skb->data; -@@ -756,7 +756,7 @@ - skb_size = b44_alloc_rx_skb(bp, cons, bp->rx_prod); - if (skb_size < 0) - goto drop_it; -- dma_unmap_single(&bp->sdev->dev, map, -+ dma_unmap_single(bp->sdev->dev, map, - skb_size, DMA_FROM_DEVICE); - /* Leave out rx_header */ - skb_put(skb, len + RX_PKT_OFFSET); -@@ -928,23 +928,23 @@ - goto err_out; - } - -- mapping = dma_map_single(&bp->sdev->dev, skb->data, len, DMA_TO_DEVICE); -+ mapping = dma_map_single(bp->sdev->dev, skb->data, len, DMA_TO_DEVICE); - if (dma_mapping_error(mapping) || mapping + len > DMA_30BIT_MASK) { - struct sk_buff *bounce_skb; - - /* Chip can't handle DMA to/from >1GB, use bounce buffer */ - if (!dma_mapping_error(mapping)) -- dma_unmap_single(&bp->sdev->dev, mapping, len, DMA_TO_DEVICE); -+ dma_unmap_single(bp->sdev->dev, mapping, len, DMA_TO_DEVICE); - - bounce_skb = __dev_alloc_skb(len, GFP_ATOMIC | GFP_DMA); - if (!bounce_skb) - goto err_out; - -- mapping = dma_map_single(&bp->sdev->dev, bounce_skb->data, -+ mapping = dma_map_single(bp->sdev->dev, bounce_skb->data, - len, DMA_TO_DEVICE); - if (dma_mapping_error(mapping) || mapping + len > DMA_30BIT_MASK) { - if (!dma_mapping_error(mapping)) -- dma_unmap_single(&bp->sdev->dev, mapping, -+ dma_unmap_single(bp->sdev->dev, mapping, - len, DMA_TO_DEVICE); - dev_kfree_skb_any(bounce_skb); - goto err_out; -@@ -1043,7 +1043,7 @@ - - if (rp->skb == NULL) - continue; -- dma_unmap_single(&bp->sdev->dev, -+ dma_unmap_single(bp->sdev->dev, - pci_unmap_addr(rp, mapping), - RX_PKT_BUF_SZ, - DMA_FROM_DEVICE); -@@ -1057,7 +1057,7 @@ - - if (rp->skb == NULL) - continue; -- dma_unmap_single(&bp->sdev->dev, -+ dma_unmap_single(bp->sdev->dev, - pci_unmap_addr(rp, mapping), - rp->skb->len, - DMA_TO_DEVICE); -@@ -1082,12 +1082,12 @@ - memset(bp->tx_ring, 0, B44_TX_RING_BYTES); - - if (bp->flags & B44_FLAG_RX_RING_HACK) -- dma_sync_single_for_device(&bp->sdev->dev, bp->rx_ring_dma, -+ dma_sync_single_for_device(bp->sdev->dev, bp->rx_ring_dma, - DMA_TABLE_BYTES, - DMA_BIDIRECTIONAL); - - if (bp->flags & B44_FLAG_TX_RING_HACK) -- dma_sync_single_for_device(&bp->sdev->dev, bp->tx_ring_dma, -+ dma_sync_single_for_device(bp->sdev->dev, bp->tx_ring_dma, - DMA_TABLE_BYTES, - DMA_TO_DEVICE); - -@@ -1109,24 +1109,24 @@ - bp->tx_buffers = NULL; - if (bp->rx_ring) { - if (bp->flags & B44_FLAG_RX_RING_HACK) { -- dma_unmap_single(&bp->sdev->dev, bp->rx_ring_dma, -+ dma_unmap_single(bp->sdev->dev, bp->rx_ring_dma, - DMA_TABLE_BYTES, - DMA_BIDIRECTIONAL); - kfree(bp->rx_ring); - } else -- dma_free_coherent(&bp->sdev->dev, DMA_TABLE_BYTES, -+ dma_free_coherent(bp->sdev->dev, DMA_TABLE_BYTES, - bp->rx_ring, bp->rx_ring_dma); - bp->rx_ring = NULL; - bp->flags &= ~B44_FLAG_RX_RING_HACK; - } - if (bp->tx_ring) { - if (bp->flags & B44_FLAG_TX_RING_HACK) { -- dma_unmap_single(&bp->sdev->dev, bp->tx_ring_dma, -+ dma_unmap_single(bp->sdev->dev, bp->tx_ring_dma, - DMA_TABLE_BYTES, - DMA_TO_DEVICE); - kfree(bp->tx_ring); - } else -- dma_free_coherent(&bp->sdev->dev, DMA_TABLE_BYTES, -+ dma_free_coherent(bp->sdev->dev, DMA_TABLE_BYTES, - bp->tx_ring, bp->tx_ring_dma); - bp->tx_ring = NULL; - bp->flags &= ~B44_FLAG_TX_RING_HACK; -@@ -1152,7 +1152,7 @@ - goto out_err; - - size = DMA_TABLE_BYTES; -- bp->rx_ring = dma_alloc_coherent(&bp->sdev->dev, size, &bp->rx_ring_dma, GFP_ATOMIC); -+ bp->rx_ring = dma_alloc_coherent(bp->sdev->dev, size, &bp->rx_ring_dma, GFP_ATOMIC); - if (!bp->rx_ring) { - /* Allocation may have failed due to pci_alloc_consistent - insisting on use of GFP_DMA, which is more restrictive -@@ -1164,7 +1164,7 @@ - if (!rx_ring) - goto out_err; - -- rx_ring_dma = dma_map_single(&bp->sdev->dev, rx_ring, -+ rx_ring_dma = dma_map_single(bp->sdev->dev, rx_ring, - DMA_TABLE_BYTES, - DMA_BIDIRECTIONAL); - -@@ -1179,7 +1179,7 @@ - bp->flags |= B44_FLAG_RX_RING_HACK; - } - -- bp->tx_ring = dma_alloc_coherent(&bp->sdev->dev, size, &bp->tx_ring_dma, GFP_ATOMIC); -+ bp->tx_ring = dma_alloc_coherent(bp->sdev->dev, size, &bp->tx_ring_dma, GFP_ATOMIC); - if (!bp->tx_ring) { - /* Allocation may have failed due to dma_alloc_coherent - insisting on use of GFP_DMA, which is more restrictive -@@ -1191,7 +1191,7 @@ - if (!tx_ring) - goto out_err; - -- tx_ring_dma = dma_map_single(&bp->sdev->dev, tx_ring, -+ tx_ring_dma = dma_map_single(bp->sdev->dev, tx_ring, - DMA_TABLE_BYTES, - DMA_TO_DEVICE); - -@@ -2288,7 +2288,7 @@ - bp->flags |= B44_FLAG_BUGGY_TXPTR; - */ - -- if (bp->sdev->dev->id.revision >= 7) -+ if (bp->sdev->id.revision >= 7) - bp->flags |= B44_FLAG_B0_ANDLATER; - - return err; -@@ -2298,7 +2298,6 @@ - const struct ssb_device_id *ent) - { - static int b44_version_printed = 0; -- unsigned long b44reg_base, b44reg_len; - struct net_device *dev; - struct b44 *bp; - int err, i; -@@ -2310,13 +2309,13 @@ - - dev = alloc_etherdev(sizeof(*bp)); - if (!dev) { -- dev_err(&pdev->dev, "Etherdev alloc failed, aborting.\n"); -+ dev_err(sdev->dev, "Etherdev alloc failed, aborting.\n"); - err = -ENOMEM; - goto out; - } - - SET_MODULE_OWNER(dev); -- SET_NETDEV_DEV(dev,&sdev->dev); -+ SET_NETDEV_DEV(dev,sdev->dev); - - /* No interesting netdevice features in this card... */ - dev->features |= 0; -@@ -2354,7 +2353,7 @@ - - err = b44_get_invariants(bp); - if (err) { -- dev_err(&sdev->dev, -+ dev_err(sdev->dev, - "Problem fetching invariants of chip, aborting.\n"); - goto err_out_free_dev; - } -@@ -2375,7 +2374,7 @@ - - err = register_netdev(dev); - if (err) { -- dev_err(&sdev->dev, "Cannot register net device, aborting.\n"); -+ dev_err(sdev->dev, "Cannot register net device, aborting.\n"); - goto out; - } - -@@ -2454,7 +2453,6 @@ - rc = request_irq(dev->irq, b44_interrupt, IRQF_SHARED, dev->name, dev); - if (rc) { - printk(KERN_ERR PFX "%s: request_irq failed\n", dev->name); -- pci_disable_device(pdev); - return rc; - } - diff --git a/target/linux/brcm47xx/patches-2.6.23/300-fork_cacheflush.patch b/target/linux/brcm47xx/patches-2.6.23/300-fork_cacheflush.patch new file mode 100644 index 0000000000..1620bf48ad --- /dev/null +++ b/target/linux/brcm47xx/patches-2.6.23/300-fork_cacheflush.patch @@ -0,0 +1,13 @@ +Index: linux-2.6.23/include/asm-mips/cacheflush.h +=================================================================== +--- linux-2.6.23.orig/include/asm-mips/cacheflush.h 2007-10-13 11:01:52.780284289 +0200 ++++ linux-2.6.23/include/asm-mips/cacheflush.h 2007-10-13 11:02:16.289624011 +0200 +@@ -32,7 +32,7 @@ + extern void (*flush_cache_all)(void); + extern void (*__flush_cache_all)(void); + extern void (*flush_cache_mm)(struct mm_struct *mm); +-#define flush_cache_dup_mm(mm) do { (void) (mm); } while (0) ++#define flush_cache_dup_mm(mm) flush_cache_mm(mm) + extern void (*flush_cache_range)(struct vm_area_struct *vma, + unsigned long start, unsigned long end); + extern void (*flush_cache_page)(struct vm_area_struct *vma, unsigned long page, unsigned long pfn); diff --git a/target/linux/brcm47xx/patches-2.6.23/310-no_highpage.patch b/target/linux/brcm47xx/patches-2.6.23/310-no_highpage.patch new file mode 100644 index 0000000000..16e7e3f36c --- /dev/null +++ b/target/linux/brcm47xx/patches-2.6.23/310-no_highpage.patch @@ -0,0 +1,71 @@ +Index: linux-2.6.23/arch/mips/mm/init.c +=================================================================== +--- linux-2.6.23.orig/arch/mips/mm/init.c 2007-10-13 11:46:58.762489429 +0200 ++++ linux-2.6.23/arch/mips/mm/init.c 2007-10-13 11:47:36.092616749 +0200 +@@ -205,31 +205,6 @@ + preempt_check_resched(); + } + +-void copy_user_highpage(struct page *to, struct page *from, +- unsigned long vaddr, struct vm_area_struct *vma) +-{ +- void *vfrom, *vto; +- +- vto = kmap_atomic(to, KM_USER1); +- if (cpu_has_dc_aliases && cpu_use_kmap_coherent && !Page_dcache_dirty(from)) { +- vfrom = kmap_coherent(from, vaddr); +- copy_page(vto, vfrom); +- kunmap_coherent(); +- } else { +- vfrom = kmap_atomic(from, KM_USER0); +- copy_page(vto, vfrom); +- kunmap_atomic(vfrom, KM_USER0); +- } +- if (((vma->vm_flags & VM_EXEC) && !cpu_has_ic_fills_f_dc) || +- pages_do_alias((unsigned long)vto, vaddr & PAGE_MASK)) +- flush_data_cache_page((unsigned long)vto); +- kunmap_atomic(vto, KM_USER1); +- /* Make sure this page is cleared on other CPU's too before using it */ +- smp_wmb(); +-} +- +-EXPORT_SYMBOL(copy_user_highpage); +- + void copy_to_user_page(struct vm_area_struct *vma, + struct page *page, unsigned long vaddr, void *dst, const void *src, + unsigned long len) +Index: linux-2.6.23/include/asm-mips/page.h +=================================================================== +--- linux-2.6.23.orig/include/asm-mips/page.h 2007-10-13 11:45:50.518600430 +0200 ++++ linux-2.6.23/include/asm-mips/page.h 2007-10-13 11:47:26.472068504 +0200 +@@ -35,6 +35,7 @@ + #ifndef __ASSEMBLY__ + + #include ++#include + #include + + /* +@@ -67,13 +68,16 @@ + flush_data_cache_page((unsigned long)addr); + } + +-extern void copy_user_page(void *vto, void *vfrom, unsigned long vaddr, +- struct page *to); +-struct vm_area_struct; +-extern void copy_user_highpage(struct page *to, struct page *from, +- unsigned long vaddr, struct vm_area_struct *vma); ++static inline void copy_user_page(void *vto, void *vfrom, unsigned long vaddr, ++ struct page *to) ++{ ++ extern void (*flush_data_cache_page)(unsigned long addr); + +-#define __HAVE_ARCH_COPY_USER_HIGHPAGE ++ copy_page(vto, vfrom); ++ if (!cpu_has_ic_fills_f_dc || ++ pages_do_alias((unsigned long)vto, vaddr & PAGE_MASK)) ++ flush_data_cache_page((unsigned long)vto); ++} + + /* + * These are used to make use of C type-checking..