Linux v4.15-rc1-24-g43570f0383d6
This commit is contained in:
Laura Abbott
parent
aa10bc0225
commit
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From patchwork Thu Nov 23 02:41:54 2017
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Content-Type: text/plain; charset="utf-8"
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MIME-Version: 1.0
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Content-Transfer-Encoding: 7bit
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Subject: drm/ttm: don't attempt to use hugepages if dma32 requested (v2)
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From: Dave Airlie <airlied@gmail.com>
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X-Patchwork-Id: 189812
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Message-Id: <20171123024154.10023-1-airlied@gmail.com>
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To: dri-devel@lists.freedesktop.org
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Date: Thu, 23 Nov 2017 12:41:54 +1000
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From: Dave Airlie <airlied@redhat.com>
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The commit below introduced thp support for ttm allocations, however it didn't
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take into account the case where dma32 was requested. Some drivers always request
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dma32, and the bochs driver is one of those.
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This fixes an oops:
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[ 30.108507] ------------[ cut here ]------------
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[ 30.108920] kernel BUG at ./include/linux/gfp.h:408!
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[ 30.109356] invalid opcode: 0000 [#1] SMP
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[ 30.109700] Modules linked in: fuse nf_conntrack_netbios_ns nf_conntrack_broadcast xt_CT ip6t_rpfilter ip6t_REJECT nf_reject_ipv6 xt_conntrack devlink ip_set nfnetlink ebtable_nat ebtable_broute bridge ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_mangle ip6table_raw ip6table_security iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack libcrc32c iptable_mangle iptable_raw iptable_security ebtable_filter ebtables ip6table_filter ip6_tables snd_hda_codec_generic kvm_intel kvm snd_hda_intel snd_hda_codec irqbypass ppdev snd_hda_core snd_hwdep snd_seq snd_seq_device snd_pcm bochs_drm ttm joydev drm_kms_helper virtio_balloon snd_timer snd parport_pc drm soundcore parport i2c_piix4 nls_utf8 isofs squashfs zstd_decompress xxhash 8021q garp mrp stp llc virtio_net
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[ 30.115605] virtio_console virtio_scsi crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw virtio_pci virtio_ring virtio ata_generic pata_acpi qemu_fw_cfg sunrpc scsi_transport_iscsi loop
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[ 30.117425] CPU: 0 PID: 1347 Comm: gnome-shell Not tainted 4.15.0-0.rc0.git6.1.fc28.x86_64 #1
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[ 30.118141] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-2.fc27 04/01/2014
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[ 30.118866] task: ffff923a77e03380 task.stack: ffffa78182228000
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[ 30.119366] RIP: 0010:__alloc_pages_nodemask+0x35e/0x430
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[ 30.119810] RSP: 0000:ffffa7818222bba8 EFLAGS: 00010202
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[ 30.120250] RAX: 0000000000000001 RBX: 00000000014382c6 RCX: 0000000000000006
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[ 30.120840] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 0000000000000000
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[ 30.121443] RBP: ffff923a760d6000 R08: 0000000000000000 R09: 0000000000000006
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[ 30.122039] R10: 0000000000000040 R11: 0000000000000300 R12: ffff923a729273c0
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[ 30.122629] R13: 0000000000000000 R14: 0000000000000000 R15: ffff923a7483d400
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[ 30.123223] FS: 00007fe48da7dac0(0000) GS:ffff923a7cc00000(0000) knlGS:0000000000000000
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[ 30.123896] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
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[ 30.124373] CR2: 00007fe457b73000 CR3: 0000000078313000 CR4: 00000000000006f0
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[ 30.124968] Call Trace:
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[ 30.125186] ttm_pool_populate+0x19b/0x400 [ttm]
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[ 30.125578] ttm_bo_vm_fault+0x325/0x570 [ttm]
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[ 30.125964] __do_fault+0x19/0x11e
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[ 30.126255] __handle_mm_fault+0xcd3/0x1260
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[ 30.126609] handle_mm_fault+0x14c/0x310
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[ 30.126947] __do_page_fault+0x28c/0x530
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[ 30.127282] do_page_fault+0x32/0x270
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[ 30.127593] async_page_fault+0x22/0x30
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[ 30.127922] RIP: 0033:0x7fe48aae39a8
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[ 30.128225] RSP: 002b:00007ffc21c4d928 EFLAGS: 00010206
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[ 30.128664] RAX: 00007fe457b73000 RBX: 000055cd4c1041a0 RCX: 00007fe457b73040
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[ 30.129259] RDX: 0000000000300000 RSI: 0000000000000000 RDI: 00007fe457b73000
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[ 30.129855] RBP: 0000000000000300 R08: 000000000000000c R09: 0000000100000000
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[ 30.130457] R10: 0000000000000001 R11: 0000000000000246 R12: 000055cd4c1041a0
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[ 30.131054] R13: 000055cd4bdfe990 R14: 000055cd4c104110 R15: 0000000000000400
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[ 30.131648] Code: 11 01 00 0f 84 a9 00 00 00 65 ff 0d 6d cc dd 44 e9 0f ff ff ff 40 80 cd 80 e9 99 fe ff ff 48 89 c7 e8 e7 f6 01 00 e9 b7 fe ff ff <0f> 0b 0f ff e9 40 fd ff ff 65 48 8b 04 25 80 d5 00 00 8b 40 4c
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[ 30.133245] RIP: __alloc_pages_nodemask+0x35e/0x430 RSP: ffffa7818222bba8
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[ 30.133836] ---[ end trace d4f1deb60784f40a ]---
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v2: handle free path as well.
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Reported-by: Laura Abbott <labbott@redhat.com>
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Reported-by: Adam Williamson <awilliam@redhat.com>
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Fixes: 0284f1ead87463bc17cf5e81a24fc65c052486f3 (drm/ttm: add transparent huge page support for cached allocations v2)
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Signed-off-by: Dave Airlie <airlied@redhat.com>
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---
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drivers/gpu/drm/ttm/ttm_page_alloc.c | 36 ++++++++++++++++++++----------------
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1 file changed, 20 insertions(+), 16 deletions(-)
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diff --git a/drivers/gpu/drm/ttm/ttm_page_alloc.c b/drivers/gpu/drm/ttm/ttm_page_alloc.c
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index 316f831..b0551aa 100644
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--- a/drivers/gpu/drm/ttm/ttm_page_alloc.c
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+++ b/drivers/gpu/drm/ttm/ttm_page_alloc.c
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@@ -744,12 +744,14 @@ static void ttm_put_pages(struct page **pages, unsigned npages, int flags,
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}
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#ifdef CONFIG_TRANSPARENT_HUGEPAGE
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- for (j = 0; j < HPAGE_PMD_NR; ++j)
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- if (p++ != pages[i + j])
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- break;
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+ if (!(flags & TTM_PAGE_FLAG_DMA32)) {
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+ for (j = 0; j < HPAGE_PMD_NR; ++j)
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+ if (p++ != pages[i + j])
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+ break;
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- if (j == HPAGE_PMD_NR)
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- order = HPAGE_PMD_ORDER;
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+ if (j == HPAGE_PMD_NR)
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+ order = HPAGE_PMD_ORDER;
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+ }
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#endif
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if (page_count(pages[i]) != 1)
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@@ -865,20 +867,22 @@ static int ttm_get_pages(struct page **pages, unsigned npages, int flags,
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i = 0;
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#ifdef CONFIG_TRANSPARENT_HUGEPAGE
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- while (npages >= HPAGE_PMD_NR) {
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- gfp_t huge_flags = gfp_flags;
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+ if (!(gfp_flags & GFP_DMA32)) {
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+ while (npages >= HPAGE_PMD_NR) {
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+ gfp_t huge_flags = gfp_flags;
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- huge_flags |= GFP_TRANSHUGE;
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- huge_flags &= ~__GFP_MOVABLE;
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- huge_flags &= ~__GFP_COMP;
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- p = alloc_pages(huge_flags, HPAGE_PMD_ORDER);
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- if (!p)
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- break;
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+ huge_flags |= GFP_TRANSHUGE;
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+ huge_flags &= ~__GFP_MOVABLE;
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+ huge_flags &= ~__GFP_COMP;
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+ p = alloc_pages(huge_flags, HPAGE_PMD_ORDER);
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+ if (!p)
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+ break;
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- for (j = 0; j < HPAGE_PMD_NR; ++j)
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- pages[i++] = p++;
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+ for (j = 0; j < HPAGE_PMD_NR; ++j)
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+ pages[i++] = p++;
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- npages -= HPAGE_PMD_NR;
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+ npages -= HPAGE_PMD_NR;
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+ }
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}
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#endif
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2
gitrev
2
gitrev
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@ -1 +1 @@
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0c86a6bd85ff0629cd2c5141027fc1c8bb6cde9c
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43570f0383d6d5879ae585e6c3cf027ba321546f
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11
kernel.spec
11
kernel.spec
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@ -69,7 +69,7 @@ Summary: The Linux kernel
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# The rc snapshot level
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%global rcrev 1
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# The git snapshot level
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%define gitrev 0
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%define gitrev 1
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# Set rpm version accordingly
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%define rpmversion 4.%{upstream_sublevel}.0
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%endif
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@ -626,16 +626,10 @@ Patch619: input-rmi4-remove-the-need-for-artifical-IRQ.patch
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# rhbz 1509461
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Patch625: v3-2-2-Input-synaptics---Lenovo-X1-Carbon-5-should-use-SMBUS-RMI.patch
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# Pointed to by Eric Anholt
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Patch627: rpi-graphics-fix.patch
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# For https://fedoraproject.org/wiki/Changes/ImprovedLaptopBatteryLife
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# Queued in bluetooth-next for merging into 4.16
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Patch628: 0001-Bluetooth-btusb-Add-a-Kconfig-option-to-enable-USB-a.patch
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# rhbz 1516584
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Patch629: drm-ttm-don-t-attempt-to-use-hugepages-if-dma32-requested.mbox
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# Fix left-button not working with some hid-multitouch touchpads
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# Adding these suggested by Benjamin Tissoires
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# Queued in hid.git/for-4.16/hid-quirks-cleanup/multitouch for merging into 4.16
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@ -2193,6 +2187,9 @@ fi
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#
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#
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%changelog
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* Wed Nov 29 2017 Laura Abbott <labbott@redhat.com> - 4.15.0-0.rc1.git1.1
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- Linux v4.15-rc1-24-g43570f0383d6
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* Wed Nov 29 2017 Laura Abbott <labbott@redhat.com>
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- Reenable debugging options.
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@ -1,46 +0,0 @@
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From 253696ccd613fbdaa5aba1de44c461a058e0a114 Mon Sep 17 00:00:00 2001
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From: Stefan Schake <stschake@gmail.com>
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Date: Fri, 10 Nov 2017 02:05:06 +0100
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Subject: drm/vc4: Account for interrupts in flight
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Synchronously disable the IRQ to make the following cancel_work_sync
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invocation effective.
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An interrupt in flight could enqueue further overflow mem work. As we
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free the binner BO immediately following vc4_irq_uninstall this caused
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a NULL pointer dereference in the work callback vc4_overflow_mem_work.
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Link: https://github.com/anholt/linux/issues/114
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Signed-off-by: Stefan Schake <stschake@gmail.com>
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Fixes: d5b1a78a772f ("drm/vc4: Add support for drawing 3D frames.")
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Signed-off-by: Eric Anholt <eric@anholt.net>
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Reviewed-by: Eric Anholt <eric@anholt.net>
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Link: https://patchwork.freedesktop.org/patch/msgid/1510275907-993-2-git-send-email-stschake@gmail.com
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diff --git a/drivers/gpu/drm/vc4/vc4_irq.c b/drivers/gpu/drm/vc4/vc4_irq.c
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index 7d7af3a..61b2e53 100644
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--- a/drivers/gpu/drm/vc4/vc4_irq.c
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+++ b/drivers/gpu/drm/vc4/vc4_irq.c
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@@ -208,6 +208,9 @@ vc4_irq_postinstall(struct drm_device *dev)
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{
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struct vc4_dev *vc4 = to_vc4_dev(dev);
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+ /* Undo the effects of a previous vc4_irq_uninstall. */
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+ enable_irq(dev->irq);
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+
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/* Enable both the render done and out of memory interrupts. */
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V3D_WRITE(V3D_INTENA, V3D_DRIVER_IRQS);
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@@ -225,6 +228,9 @@ vc4_irq_uninstall(struct drm_device *dev)
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/* Clear any pending interrupts we might have left. */
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V3D_WRITE(V3D_INTCTL, V3D_DRIVER_IRQS);
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+ /* Finish any interrupt handler still in flight. */
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+ disable_irq(dev->irq);
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+
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cancel_work_sync(&vc4->overflow_mem_work);
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}
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--
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cgit v0.10.2
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1
sources
1
sources
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@ -1,3 +1,4 @@
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SHA512 (linux-4.14.tar.xz) = 77e43a02d766c3d73b7e25c4aafb2e931d6b16e870510c22cef0cdb05c3acb7952b8908ebad12b10ef982c6efbe286364b1544586e715cf38390e483927904d8
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SHA512 (perf-man-4.14.tar.gz) = 76a9d8adc284cdffd4b3fbb060e7f9a14109267707ce1d03f4c3239cd70d8d164f697da3a0f90a363fbcac42a61d3c378afbcc2a86f112c501b9cb5ce74ef9f8
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SHA512 (patch-4.15-rc1.xz) = 00cb666d762e46b2a965ce27a06272240e9dc375dc92644ade1a512f27ccea615ae609e3b685a0061614859acbdf28fd3d6bfb137e2208f2acc04114ff9fff46
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SHA512 (patch-4.15-rc1-git1.xz) = be5d998166f0f3dc4b2474e5a6914050f18acc2823a179934fbf651f5f487ee97ab9a5196b20b43bf985121c9c5e44441dab8759cbee31686a39ab79bf5e7a9a
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