diff options
-rw-r--r-- | .SRCINFO | 8 | ||||
-rw-r--r-- | 0001-ZEN-Add-sysctl-and-CONFIG-to-disallow-unprivileged-C.patch | 10 | ||||
-rw-r--r-- | 0002-iommu-amd-Don-t-initialise-remapping-irqdomain-if-IO.patch | 71 | ||||
-rw-r--r-- | PKGBUILD | 8 | ||||
-rw-r--r-- | config | 4 |
5 files changed, 88 insertions, 13 deletions
@@ -1,6 +1,6 @@ pkgbase = linux-ck pkgver = 5.11.8 - pkgrel = 1 + pkgrel = 2 url = https://wiki.archlinux.org/index.php/Linux-ck arch = x86_64 license = GPL2 @@ -18,14 +18,16 @@ pkgbase = linux-ck source = more-uarches-20210309.tar.gz::https://github.com/graysky2/kernel_gcc_patch/archive/20210309.tar.gz source = http://ck.kolivas.org/patches/5.0/5.11/5.11-ck1/patch-5.11-ck1.xz source = 0001-ZEN-Add-sysctl-and-CONFIG-to-disallow-unprivileged-C.patch + source = 0002-iommu-amd-Don-t-initialise-remapping-irqdomain-if-IO.patch validpgpkeys = ABAF11C65A2970B130ABE3C479BE3E4300411886 validpgpkeys = 647F28654894E3BD457199BE38DBBDC86092693E b2sums = 48028845215ba4514735575b2cf0f9bd67c224168074c406d01188ab28483ab139d6fab42dda6be10b04c9716e7be91fc6f5e4bbd58984bea40b7e7cff60e477 b2sums = SKIP - b2sums = 20042a049ca6f95782c0e6a05e67871f6f5a290098b051b87d4f8ddbb965e78e3ecdd20fad38bde6efb462cb21a65b8aac19455396ba0aef83e73a55bc7b3fb6 + b2sums = fb0f93e5373ba40e8b019195faf56480d0e2e4216124c3b30293ff6abf0885e867e17b3a613da9ed0ba3fe7fd1cb539f08fa1f7370d875e3cb6bbd1ada78f0eb b2sums = 04351f264bf9ec12b5acdc13546531f38b6fee9f2eca55eb7aec28dbff6a45a5e29a0603d52b4a7dc89ed86e401fb18625ef8d91073ff4732e1d03a135339413 b2sums = 81d948aef4423255ebb4fa9b12c96207af8d14e225cf95d631dfbb1c0e88d31f60f81c2aff63046a78d8daf2601270ebb1d9cfaeccc3e3fdb08dbc430b53aff5 - b2sums = 59c8f4d66eeeb5b3f84b17ab81431804ac9334e97cdbf99ff3dd77803ee3af55908d3d3ba0e957093418a7c5805e423ac78dd398ffb64ba6577aa69bfb9cfbe1 + b2sums = c22463da6e78830e104f728c00cf43573a7e1a59c17234f49844b9295eab953f4e119d34a0621feb816b9f1f0469dd769884f9ed1740c73176625435ea0a8624 + b2sums = 917b32c49ed6d96fcbcbe661e0232ff720f9e317e5e1e884152e937f46a00877f9b44584ef3cd8804bcf6d1626886f3a2edc1eb84f605c71a0f0cdfa6c3d4e32 pkgname = linux-ck pkgdesc = The Linux-ck kernel and modules with the ck1 patchset featuring MuQSS CPU scheduler diff --git a/0001-ZEN-Add-sysctl-and-CONFIG-to-disallow-unprivileged-C.patch b/0001-ZEN-Add-sysctl-and-CONFIG-to-disallow-unprivileged-C.patch index ab38fb134382..11567cef166e 100644 --- a/0001-ZEN-Add-sysctl-and-CONFIG-to-disallow-unprivileged-C.patch +++ b/0001-ZEN-Add-sysctl-and-CONFIG-to-disallow-unprivileged-C.patch @@ -1,7 +1,7 @@ -From 2aef6c5fe88b92e9f611ec0b04ab8e023e943cd8 Mon Sep 17 00:00:00 2001 +From 831eecdabcef05828987209749a3db5242e3ce29 Mon Sep 17 00:00:00 2001 From: "Jan Alexander Steffens (heftig)" <jan.steffens@gmail.com> Date: Mon, 16 Sep 2019 04:53:20 +0200 -Subject: [PATCH 1/4] ZEN: Add sysctl and CONFIG to disallow unprivileged +Subject: [PATCH 1/3] ZEN: Add sysctl and CONFIG to disallow unprivileged CLONE_NEWUSER Our default behavior continues to match the vanilla kernel. @@ -36,7 +36,7 @@ index 64cf8ebdc4ec..bd29529ac188 100644 { return &init_user_ns; diff --git a/init/Kconfig b/init/Kconfig -index 29ad68325028..96b79cfb2845 100644 +index b7d3c6a12196..9e8a5351063e 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -1172,6 +1172,22 @@ config USER_NS @@ -102,7 +102,7 @@ index d66cd1014211..231a94ffd302 100644 if (err) goto bad_unshare_out; diff --git a/kernel/sysctl.c b/kernel/sysctl.c -index c9fbdd848138..1fbf5d551fa0 100644 +index 62fbd09b5dc1..01192edd25f3 100644 --- a/kernel/sysctl.c +++ b/kernel/sysctl.c @@ -103,6 +103,9 @@ @@ -150,5 +150,5 @@ index af612945a4d0..95c54dae4aa1 100644 static DEFINE_MUTEX(userns_state_mutex); -- -2.30.1 +2.31.0 diff --git a/0002-iommu-amd-Don-t-initialise-remapping-irqdomain-if-IO.patch b/0002-iommu-amd-Don-t-initialise-remapping-irqdomain-if-IO.patch new file mode 100644 index 000000000000..10f06e0d4034 --- /dev/null +++ b/0002-iommu-amd-Don-t-initialise-remapping-irqdomain-if-IO.patch @@ -0,0 +1,71 @@ +From fa6692f3c77252a239725dab4352cecf34e12098 Mon Sep 17 00:00:00 2001 +From: David Woodhouse <dwmw@amazon.co.uk> +Date: Mon, 15 Mar 2021 11:15:02 +0000 +Subject: [PATCH 2/3] iommu/amd: Don't initialise remapping irqdomain if IOMMU + is disabled + +When the IOMMU is disabled, the driver still enumerates and initialises +the hardware in order to turn it off. Because IRQ remapping setup is +done early, the irqdomain is set up opportunistically. + +In commit b34f10c2dc59 ("iommu/amd: Stop irq_remapping_select() matching +when remapping is disabled") I already make the irq_remapping_select() +function check the amd_iommu_irq_setup flag because that might get +cleared only after the irqdomain setup is done, when the IVRS is parsed. + +However, in the case where 'amd_iommu=off' is passed on the command line, +the IRQ remapping setup isn't done but the amd_iommu_irq_setup flag is +still set by the early IRQ remap init code. Stop it doing that, by +bailing out of amd_iommu_prepare() early when it's disabled. + +This avoids the crash in irq_remapping_select() as it dereferences the +NULL amd_iommu_rlookup_table[]: + +[ 0.243659] Switched APIC routing to physical x2apic. +[ 0.262206] BUG: kernel NULL pointer dereference, address: 0000000000000500 +[ 0.262927] #PF: supervisor read access in kernel mode +[ 0.263390] #PF: error_code(0x0000) - not-present page +[ 0.263844] PGD 0 P4D 0 +[ 0.264135] Oops: 0000 [#1] SMP PTI +[ 0.264460] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.12.0-rc3 #831 +[ 0.265069] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-1.fc33 04/01/2014 +[ 0.265825] RIP: 0010:irq_remapping_select+0x57/0xb0 +[ 0.266327] Code: 4b 0c 48 3d 30 e0 a7 9e 75 0d eb 35 48 8b 00 48 3d 30 e0 a7 9e 74 2a 0f b6 50 10 39 d1 75 ed 0f b7 40 12 48 8b 15 69 e3 d2 01 <48> 8b 14 c2 48 85 d2 74 0e b8 01 00 00 00 48 3b aa 90 04 00 00 74 +[ 0.268412] RSP: 0000:ffffffff9e803db0 EFLAGS: 00010246 +[ 0.268919] RAX: 00000000000000a0 RBX: ffffffff9e803df8 RCX: 0000000000000000 +[ 0.269550] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff98120112fe79 +[ 0.270245] RBP: ffff9812011c8218 R08: 0000000000000001 R09: 000000000000000a +[ 0.270922] R10: 000000000000000a R11: f000000000000000 R12: ffff9812011c8218 +[ 0.271549] R13: ffff98120181ed88 R14: 0000000000000000 R15: 0000000000000000 +[ 0.272221] FS: 0000000000000000(0000) GS:ffff98127dc00000(0000) knlGS:0000000000000000 +[ 0.272997] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 +[ 0.273508] CR2: 0000000000000500 CR3: 0000000030810000 CR4: 00000000000006b0 +[ 0.274178] Call Trace: +[ 0.274416] irq_find_matching_fwspec+0x41/0xc0 +[ 0.274812] mp_irqdomain_create+0x65/0x150 +[ 0.275251] setup_IO_APIC+0x70/0x811 + +Fixes: a1a785b57242 ("iommu/amd: Implement select() method on remapping irqdomain") +Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=212017 +Signed-off-by: David Woodhouse <dwmw@amazon.co.uk> +--- + drivers/iommu/amd/init.c | 3 +++ + 1 file changed, 3 insertions(+) + +diff --git a/drivers/iommu/amd/init.c b/drivers/iommu/amd/init.c +index 01da76dc1caa..3ea395ef4929 100644 +--- a/drivers/iommu/amd/init.c ++++ b/drivers/iommu/amd/init.c +@@ -2997,6 +2997,9 @@ int __init amd_iommu_prepare(void) + { + int ret; + ++ if (amd_iommu_disabled) ++ return -ENODEV; ++ + amd_iommu_irq_remap = true; + + ret = iommu_go_to_state(IOMMU_ACPI_FINISHED); +-- +2.31.0 + @@ -65,7 +65,7 @@ _localmodcfg= pkgbase=linux-ck pkgver=5.11.8 -pkgrel=1 +pkgrel=2 _ckpatchversion=1 arch=(x86_64) url="https://wiki.archlinux.org/index.php/Linux-ck" @@ -82,6 +82,7 @@ source=( "more-uarches-$_gcc_more_v.tar.gz::https://github.com/graysky2/kernel_gcc_patch/archive/$_gcc_more_v.tar.gz" "http://ck.kolivas.org/patches/5.0/5.11/5.11-ck${_ckpatchversion}/$_ckpatch.xz" 0001-ZEN-Add-sysctl-and-CONFIG-to-disallow-unprivileged-C.patch + 0002-iommu-amd-Don-t-initialise-remapping-irqdomain-if-IO.patch ) validpgpkeys=( 'ABAF11C65A2970B130ABE3C479BE3E4300411886' # Linus Torvalds @@ -89,10 +90,11 @@ validpgpkeys=( ) b2sums=('48028845215ba4514735575b2cf0f9bd67c224168074c406d01188ab28483ab139d6fab42dda6be10b04c9716e7be91fc6f5e4bbd58984bea40b7e7cff60e477' 'SKIP' - '20042a049ca6f95782c0e6a05e67871f6f5a290098b051b87d4f8ddbb965e78e3ecdd20fad38bde6efb462cb21a65b8aac19455396ba0aef83e73a55bc7b3fb6' + 'fb0f93e5373ba40e8b019195faf56480d0e2e4216124c3b30293ff6abf0885e867e17b3a613da9ed0ba3fe7fd1cb539f08fa1f7370d875e3cb6bbd1ada78f0eb' '04351f264bf9ec12b5acdc13546531f38b6fee9f2eca55eb7aec28dbff6a45a5e29a0603d52b4a7dc89ed86e401fb18625ef8d91073ff4732e1d03a135339413' '81d948aef4423255ebb4fa9b12c96207af8d14e225cf95d631dfbb1c0e88d31f60f81c2aff63046a78d8daf2601270ebb1d9cfaeccc3e3fdb08dbc430b53aff5' - '59c8f4d66eeeb5b3f84b17ab81431804ac9334e97cdbf99ff3dd77803ee3af55908d3d3ba0e957093418a7c5805e423ac78dd398ffb64ba6577aa69bfb9cfbe1') + 'c22463da6e78830e104f728c00cf43573a7e1a59c17234f49844b9295eab953f4e119d34a0621feb816b9f1f0469dd769884f9ed1740c73176625435ea0a8624' + '917b32c49ed6d96fcbcbe661e0232ff720f9e317e5e1e884152e937f46a00877f9b44584ef3cd8804bcf6d1626886f3a2edc1eb84f605c71a0f0cdfa6c3d4e32') export KBUILD_BUILD_HOST=archlinux export KBUILD_BUILD_USER=$pkgbase @@ -1,6 +1,6 @@ # # Automatically generated file; DO NOT EDIT. -# Linux/x86 5.11.7-arch1 Kernel Configuration +# Linux/x86 5.11.8-arch1 Kernel Configuration # CONFIG_CC_VERSION_TEXT="gcc (GCC) 10.2.0" CONFIG_CC_IS_GCC=y @@ -6523,7 +6523,7 @@ CONFIG_SND_HDA_DSP_LOADER=y CONFIG_SND_HDA_COMPONENT=y CONFIG_SND_HDA_I915=y CONFIG_SND_HDA_EXT_CORE=m -CONFIG_SND_HDA_PREALLOC_SIZE=4096 +CONFIG_SND_HDA_PREALLOC_SIZE=0 CONFIG_SND_INTEL_NHLT=y CONFIG_SND_INTEL_DSP_CONFIG=m CONFIG_SND_SPI=y |