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-rw-r--r--common/recipes-kernel/linux/linux-yocto-4.9.21/0023-x86-bugs-Concentrate-bug-detection-into-a-separate-f.patch75
1 files changed, 0 insertions, 75 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.9.21/0023-x86-bugs-Concentrate-bug-detection-into-a-separate-f.patch b/common/recipes-kernel/linux/linux-yocto-4.9.21/0023-x86-bugs-Concentrate-bug-detection-into-a-separate-f.patch
deleted file mode 100644
index 6d18a50c..00000000
--- a/common/recipes-kernel/linux/linux-yocto-4.9.21/0023-x86-bugs-Concentrate-bug-detection-into-a-separate-f.patch
+++ /dev/null
@@ -1,75 +0,0 @@
-From c3a018c5b5ae383b51700cd636995916fc8c1f61 Mon Sep 17 00:00:00 2001
-From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
-Date: Wed, 25 Apr 2018 22:04:16 -0400
-Subject: [PATCH 23/93] x86/bugs: Concentrate bug detection into a separate
- function
-
-commit 4a28bfe3267b68e22c663ac26185aa16c9b879ef upstream
-
-Combine the various logic which goes through all those
-x86_cpu_id matching structures in one function.
-
-Suggested-by: Borislav Petkov <bp@suse.de>
-Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
-Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
-Reviewed-by: Borislav Petkov <bp@suse.de>
-Reviewed-by: Ingo Molnar <mingo@kernel.org>
-Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
-Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
----
- arch/x86/kernel/cpu/common.c | 21 +++++++++++----------
- 1 file changed, 11 insertions(+), 10 deletions(-)
-
-diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
-index 301bbd1..357c589 100644
---- a/arch/x86/kernel/cpu/common.c
-+++ b/arch/x86/kernel/cpu/common.c
-@@ -879,21 +879,27 @@ static const __initconst struct x86_cpu_id cpu_no_meltdown[] = {
- {}
- };
-
--static bool __init cpu_vulnerable_to_meltdown(struct cpuinfo_x86 *c)
-+static void __init cpu_set_bug_bits(struct cpuinfo_x86 *c)
- {
- u64 ia32_cap = 0;
-
-+ if (x86_match_cpu(cpu_no_speculation))
-+ return;
-+
-+ setup_force_cpu_bug(X86_BUG_SPECTRE_V1);
-+ setup_force_cpu_bug(X86_BUG_SPECTRE_V2);
-+
- if (x86_match_cpu(cpu_no_meltdown))
-- return false;
-+ return;
-
- if (cpu_has(c, X86_FEATURE_ARCH_CAPABILITIES))
- rdmsrl(MSR_IA32_ARCH_CAPABILITIES, ia32_cap);
-
- /* Rogue Data Cache Load? No! */
- if (ia32_cap & ARCH_CAP_RDCL_NO)
-- return false;
-+ return;
-
-- return true;
-+ setup_force_cpu_bug(X86_BUG_CPU_MELTDOWN);
- }
-
- /*
-@@ -942,12 +948,7 @@ static void __init early_identify_cpu(struct cpuinfo_x86 *c)
-
- setup_force_cpu_cap(X86_FEATURE_ALWAYS);
-
-- if (!x86_match_cpu(cpu_no_speculation)) {
-- if (cpu_vulnerable_to_meltdown(c))
-- setup_force_cpu_bug(X86_BUG_CPU_MELTDOWN);
-- setup_force_cpu_bug(X86_BUG_SPECTRE_V1);
-- setup_force_cpu_bug(X86_BUG_SPECTRE_V2);
-- }
-+ cpu_set_bug_bits(c);
-
- fpu__init_system(c);
-
---
-2.7.4
-