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(parent: fdccc6e) | patch
x86: debugctlmsr kprobes
authorRoland McGrath <roland@redhat.com>
Wed, 30 Jan 2008 12:30:54 +0000 (13:30 +0100)
committerIngo Molnar <mingo@elte.hu>
Wed, 30 Jan 2008 12:30:54 +0000 (13:30 +0100)
commite173b5c859ef08e6418c7a20eb29b03ddedba04a
treea0456da7328d9b07212b5845003e67c88185f1f3tree | snapshot
parentfdccc6e4728e6685a345166a29f7c1a35163cfaccommit | diff
x86: debugctlmsr kprobes

This adjusts the x86 kprobes implementation to cope with per-thread
MSR_IA32_DEBUGCTLMSR being set for user mode.  I haven't delved deep
enough into the kprobes code to be really sure this covers all the
cases where the user-mode BTF setting needs to be cleared or restored.
It looks about right to me.

Signed-off-by: Roland McGrath <roland@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
arch/x86/kernel/kprobes_32.c diff | blob | history
arch/x86/kernel/kprobes_64.c diff | blob | history
Linux Kernel Source Tree.