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-rw-r--r--arch/x86/kernel/cpu/mcheck/mce_amd.c9
-rw-r--r--arch/x86/kernel/early-quirks.c1
-rw-r--r--arch/x86/kernel/kprobes/opt.c9
-rw-r--r--arch/x86/kernel/unwind_frame.c2
4 files changed, 9 insertions, 12 deletions
diff --git a/arch/x86/kernel/cpu/mcheck/mce_amd.c b/arch/x86/kernel/cpu/mcheck/mce_amd.c
index 9e314bcf67cc..5ce1a5689162 100644
--- a/arch/x86/kernel/cpu/mcheck/mce_amd.c
+++ b/arch/x86/kernel/cpu/mcheck/mce_amd.c
@@ -201,8 +201,8 @@ static void smca_configure(unsigned int bank, unsigned int cpu)
wrmsr(smca_config, low, high);
}
- /* Collect bank_info using CPU 0 for now. */
- if (cpu)
+ /* Return early if this bank was already initialized. */
+ if (smca_banks[bank].hwid)
return;
if (rdmsr_safe_on_cpu(cpu, MSR_AMD64_SMCA_MCx_IPID(bank), &low, &high)) {
@@ -216,11 +216,6 @@ static void smca_configure(unsigned int bank, unsigned int cpu)
for (i = 0; i < ARRAY_SIZE(smca_hwid_mcatypes); i++) {
s_hwid = &smca_hwid_mcatypes[i];
if (hwid_mcatype == s_hwid->hwid_mcatype) {
-
- WARN(smca_banks[bank].hwid,
- "Bank %s already initialized!\n",
- smca_get_name(s_hwid->bank_type));
-
smca_banks[bank].hwid = s_hwid;
smca_banks[bank].id = low;
smca_banks[bank].sysfs_id = s_hwid->count++;
diff --git a/arch/x86/kernel/early-quirks.c b/arch/x86/kernel/early-quirks.c
index d907c3d8633f..a4516ca4c4f3 100644
--- a/arch/x86/kernel/early-quirks.c
+++ b/arch/x86/kernel/early-quirks.c
@@ -527,6 +527,7 @@ static const struct pci_device_id intel_early_ids[] __initconst = {
INTEL_BXT_IDS(&gen9_early_ops),
INTEL_KBL_IDS(&gen9_early_ops),
INTEL_GLK_IDS(&gen9_early_ops),
+ INTEL_CNL_IDS(&gen9_early_ops),
};
static void __init
diff --git a/arch/x86/kernel/kprobes/opt.c b/arch/x86/kernel/kprobes/opt.c
index 69ea0bc1cfa3..4f98aad38237 100644
--- a/arch/x86/kernel/kprobes/opt.c
+++ b/arch/x86/kernel/kprobes/opt.c
@@ -39,6 +39,7 @@
#include <asm/insn.h>
#include <asm/debugreg.h>
#include <asm/set_memory.h>
+#include <asm/sections.h>
#include "common.h"
@@ -251,10 +252,12 @@ static int can_optimize(unsigned long paddr)
/*
* Do not optimize in the entry code due to the unstable
- * stack handling.
+ * stack handling and registers setup.
*/
- if ((paddr >= (unsigned long)__entry_text_start) &&
- (paddr < (unsigned long)__entry_text_end))
+ if (((paddr >= (unsigned long)__entry_text_start) &&
+ (paddr < (unsigned long)__entry_text_end)) ||
+ ((paddr >= (unsigned long)__irqentry_text_start) &&
+ (paddr < (unsigned long)__irqentry_text_end)))
return 0;
/* Check there is enough space for a relative jump. */
diff --git a/arch/x86/kernel/unwind_frame.c b/arch/x86/kernel/unwind_frame.c
index b9389d72b2f7..c29e5bc7e9c9 100644
--- a/arch/x86/kernel/unwind_frame.c
+++ b/arch/x86/kernel/unwind_frame.c
@@ -91,10 +91,8 @@ static bool in_entry_code(unsigned long ip)
if (addr >= __entry_text_start && addr < __entry_text_end)
return true;
-#if defined(CONFIG_FUNCTION_GRAPH_TRACER) || defined(CONFIG_KASAN)
if (addr >= __irqentry_text_start && addr < __irqentry_text_end)
return true;
-#endif
return false;
}
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