4.15.5-1
This commit is contained in:
Jan Alexander Steffens
parent
3ac6ae819e
commit
e180e6ba02
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@ -1,8 +1,8 @@
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From 05a43fb8b36cdaf6a3580f46cab334f2c2796544 Mon Sep 17 00:00:00 2001
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Message-Id: <05a43fb8b36cdaf6a3580f46cab334f2c2796544.1518828081.git.jan.steffens@gmail.com>
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From 16305718ac69980301a803f32373cd0d80473a1c Mon Sep 17 00:00:00 2001
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Message-Id: <16305718ac69980301a803f32373cd0d80473a1c.1519311274.git.jan.steffens@gmail.com>
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From: Serge Hallyn <serge.hallyn@canonical.com>
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Date: Fri, 31 May 2013 19:12:12 +0100
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Subject: [PATCH 1/3] add sysctl to disallow unprivileged CLONE_NEWUSER by
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Subject: [PATCH 1/2] add sysctl to disallow unprivileged CLONE_NEWUSER by
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default
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Signed-off-by: Serge Hallyn <serge.hallyn@ubuntu.com>
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@ -99,5 +99,5 @@ index 246d4d4ce5c7..f64432b45cec 100644
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static DEFINE_MUTEX(userns_state_mutex);
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--
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2.16.1
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2.16.2
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@ -1,10 +1,10 @@
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From 9ae12d036a480aa5352118c982ba76f2fb1640a3 Mon Sep 17 00:00:00 2001
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Message-Id: <9ae12d036a480aa5352118c982ba76f2fb1640a3.1518828081.git.jan.steffens@gmail.com>
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In-Reply-To: <05a43fb8b36cdaf6a3580f46cab334f2c2796544.1518828081.git.jan.steffens@gmail.com>
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References: <05a43fb8b36cdaf6a3580f46cab334f2c2796544.1518828081.git.jan.steffens@gmail.com>
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From caccd577f10e4618e87c8b21bb14ab867208df04 Mon Sep 17 00:00:00 2001
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Message-Id: <caccd577f10e4618e87c8b21bb14ab867208df04.1519311274.git.jan.steffens@gmail.com>
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In-Reply-To: <16305718ac69980301a803f32373cd0d80473a1c.1519311274.git.jan.steffens@gmail.com>
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References: <16305718ac69980301a803f32373cd0d80473a1c.1519311274.git.jan.steffens@gmail.com>
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From: Jim Bride <jim.bride@linux.intel.com>
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Date: Mon, 6 Nov 2017 13:38:57 -0800
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Subject: [PATCH 2/3] drm/i915/edp: Only use the alternate fixed mode if it's
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Subject: [PATCH 2/2] drm/i915/edp: Only use the alternate fixed mode if it's
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asked for
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In commit dc911f5bd8aa ("drm/i915/edp: Allow alternate fixed mode for
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@ -38,5 +38,5 @@ index add4b2434aa3..14a8bef9fdfe 100644
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}
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--
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2.16.1
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2.16.2
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@ -1,80 +0,0 @@
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From cd0c80aa02dbfe649c743fa98fcc0d9f427e0827 Mon Sep 17 00:00:00 2001
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Message-Id: <cd0c80aa02dbfe649c743fa98fcc0d9f427e0827.1518828081.git.jan.steffens@gmail.com>
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In-Reply-To: <05a43fb8b36cdaf6a3580f46cab334f2c2796544.1518828081.git.jan.steffens@gmail.com>
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References: <05a43fb8b36cdaf6a3580f46cab334f2c2796544.1518828081.git.jan.steffens@gmail.com>
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From: Juergen Gross <jgross@suse.com>
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Date: Thu, 1 Feb 2018 13:40:19 +0100
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Subject: [PATCH 3/3] x86/xen: init %gs very early to avoid page faults with
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stack protector
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When running as Xen pv guest %gs is initialized some time after
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C code is started. Depending on stack protector usage this might be
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too late, resulting in page faults.
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So setup %gs and MSR_GS_BASE in assembly code already.
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Cc: stable@vger.kernel.org
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Signed-off-by: Juergen Gross <jgross@suse.com>
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Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
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Tested-by: Chris Patterson <cjp256@gmail.com>
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Signed-off-by: Juergen Gross <jgross@suse.com>
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---
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arch/x86/xen/xen-head.S | 16 ++++++++++++++++
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1 file changed, 16 insertions(+)
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diff --git a/arch/x86/xen/xen-head.S b/arch/x86/xen/xen-head.S
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index 497cc55a0c16..96f26e026783 100644
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--- a/arch/x86/xen/xen-head.S
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+++ b/arch/x86/xen/xen-head.S
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@@ -9,32 +9,48 @@
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#include <asm/boot.h>
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#include <asm/asm.h>
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+#include <asm/msr.h>
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#include <asm/page_types.h>
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+#include <asm/percpu.h>
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#include <asm/unwind_hints.h>
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#include <xen/interface/elfnote.h>
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#include <xen/interface/features.h>
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#include <xen/interface/xen.h>
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#include <xen/interface/xen-mca.h>
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#include <asm/xen/interface.h>
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#ifdef CONFIG_XEN_PV
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__INIT
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ENTRY(startup_xen)
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UNWIND_HINT_EMPTY
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cld
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/* Clear .bss */
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xor %eax,%eax
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mov $__bss_start, %_ASM_DI
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mov $__bss_stop, %_ASM_CX
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sub %_ASM_DI, %_ASM_CX
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shr $__ASM_SEL(2, 3), %_ASM_CX
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rep __ASM_SIZE(stos)
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mov %_ASM_SI, xen_start_info
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mov $init_thread_union+THREAD_SIZE, %_ASM_SP
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+#ifdef CONFIG_X86_64
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+ /* Set up %gs.
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+ *
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+ * The base of %gs always points to the bottom of the irqstack
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+ * union. If the stack protector canary is enabled, it is
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+ * located at %gs:40. Note that, on SMP, the boot cpu uses
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+ * init data section till per cpu areas are set up.
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+ */
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+ movl $MSR_GS_BASE,%ecx
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+ movq $INIT_PER_CPU_VAR(irq_stack_union),%rax
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+ cdq
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+ wrmsr
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+#endif
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+
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jmp xen_start_kernel
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END(startup_xen)
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__FINIT
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--
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2.16.1
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15
PKGBUILD
15
PKGBUILD
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@ -4,7 +4,7 @@
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pkgbase=linux # Build stock -ARCH kernel
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#pkgbase=linux-custom # Build kernel with a different name
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_srcname=linux-4.15
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pkgver=4.15.4
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pkgver=4.15.5
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pkgrel=1
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arch=('x86_64')
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url="https://www.kernel.org/"
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@ -20,7 +20,6 @@ source=(
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linux.preset # standard config files for mkinitcpio ramdisk
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0001-add-sysctl-to-disallow-unprivileged-CLONE_NEWUSER-by.patch
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0002-drm-i915-edp-Only-use-the-alternate-fixed-mode-if-it.patch
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0003-x86-xen-init-gs-very-early-to-avoid-page-faults-with.patch
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)
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validpgpkeys=(
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'ABAF11C65A2970B130ABE3C479BE3E4300411886' # Linus Torvalds
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@ -28,15 +27,14 @@ validpgpkeys=(
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)
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sha256sums=('5a26478906d5005f4f809402e981518d2b8844949199f60c4b6e1f986ca2a769'
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'SKIP'
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'5f8344fcc6b15be5f53001bb18df342bf5877563239f03271c236e3a40db89e8'
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'b5dc7021bd0c08e4a58b59035f9b757ce6909b46067950ac56d2ad68c1b69dd1'
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'SKIP'
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'0919ad90c07fb651f9e8b30e4911a9c300940301d7323070186851b4280c571b'
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'f38927db126ec7141ea2dd70cabb2ef378552672b31db4ab621493928497abd7'
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'ae2e95db94ef7176207c690224169594d49445e04249d2499e9d2fbc117a0b21'
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'75f99f5239e03238f88d1a834c50043ec32b1dc568f2cc291b07d04718483919'
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'ad6344badc91ad0630caacde83f7f9b97276f80d26a20619a87952be65492c65'
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'c7951a3dfa6dcfd6f7c56d8d5c7c89cceb0e612ce3e6134d3fe23d1202b69863'
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'b1485882a9d26fe49b9fb2530259c2c39e03a3346ff63edcbc746f47ef693676'
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'54380eafa1dfb42f7860a5eee9f521c14aa5fd2c9f5bfaa6e0537d75800225b7')
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'19b17156ea5aec86e4eb87fc855789375a5184faf564b4ac2cd0f279de7b3bf9'
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'f49e23e2a00357f8a5f6cc5caadd56a4df2b0a3e2b53d76a514ca508f25a62a7')
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_kernelname=${pkgbase#linux}
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: ${_kernelname:=-ARCH}
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@ -56,9 +54,6 @@ prepare() {
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# https://bugs.archlinux.org/task/56711
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patch -Np1 -i ../0002-drm-i915-edp-Only-use-the-alternate-fixed-mode-if-it.patch
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# https://bugs.archlinux.org/task/57500
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patch -Np1 -i ../0003-x86-xen-init-gs-very-early-to-avoid-page-faults-with.patch
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cat ../config - >.config <<END
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CONFIG_LOCALVERSION="${_kernelname}"
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CONFIG_LOCALVERSION_AUTO=n
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