The patch titled
Subject: kexec: Remove obsolete flag 'in_crash_kexec'
has been removed from the -mm tree. Its filename was
kexec-remove-obsolete-flag-in_crash_kexec.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
From: Minfei Huang <mnfhuang@xxxxxxxxx>
Subject: kexec: Remove obsolete flag 'in_crash_kexec'
Previously, UV NMI used 'in_crash_kexec' flag to be sure that we are in
kdump kernel or not in commit 5edd19af18a36a4e ("x86, UV: Make kdump avoid
stack dumps"). But this flags is removed in commit 9c48f1c629ecfa114850c0
("x86, nmi: Wire up NMI handlers to new routines").
Since it isn't used any more, remove it.
Signed-off-by: Minfei Huang <mnfhuang@xxxxxxxxx>
Acked-by: Don Zickus <dzickus@xxxxxxxxxx>
Cc: Eric Biederman <ebiederm@xxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/x86/include/asm/kdebug.h | 6 ------
arch/x86/kernel/crash.c | 3 ---
2 files changed, 9 deletions(-)
diff -puN arch/x86/include/asm/kdebug.h~kexec-remove-obsolete-flag-in_crash_kexec arch/x86/include/asm/kdebug.h
--- a/arch/x86/include/asm/kdebug.h~kexec-remove-obsolete-flag-in_crash_kexec
+++ a/arch/x86/include/asm/kdebug.h
@@ -29,11 +29,5 @@ extern void show_trace(struct task_struc
extern void __show_regs(struct pt_regs *regs, int all);
extern unsigned long oops_begin(void);
extern void oops_end(unsigned long, struct pt_regs *, int signr);
-#ifdef CONFIG_KEXEC_CORE
-extern int in_crash_kexec;
-#else
-/* no crash dump is ever in progress if no crash kernel can be kexec'd */
-#define in_crash_kexec 0
-#endif
#endif /* _ASM_X86_KDEBUG_H */
diff -puN arch/x86/kernel/crash.c~kexec-remove-obsolete-flag-in_crash_kexec arch/x86/kernel/crash.c
--- a/arch/x86/kernel/crash.c~kexec-remove-obsolete-flag-in_crash_kexec
+++ a/arch/x86/kernel/crash.c
@@ -75,8 +75,6 @@ struct crash_memmap_data {
unsigned int type;
};
-int in_crash_kexec;
-
/*
* This is used to VMCLEAR all VMCSs loaded on the
* processor. And when loading kvm_intel module, the
@@ -132,7 +130,6 @@ static void kdump_nmi_callback(int cpu,
static void kdump_nmi_shootdown_cpus(void)
{
- in_crash_kexec = 1;
nmi_shootdown_cpus(kdump_nmi_callback);
disable_local_APIC();
_
Patches currently in -mm which might be from mnfhuang@xxxxxxxxx are
kexec-use-file-name-as-the-output-message-prefix.patch
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