x86, ptrace: support for branch trace store(BTS)

Resend using different mail client Changes to the last version: - split implementation into two layers: ds/bts and ptrace - renamed TIF's - save/restore ds save area msr in __switch_to_xtra() - make block-stepping only look at BTF bit Signed-off-by: Markus Metzger <markus.t.metzger@intel.com> Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2026-09-26 18:16:26 +00:00 · 2008-01-30 13:31:09 +01:00 · 2008-01-30 13:31:09 +01:00 · eee3af4a2c
commit eee3af4a2c
parent 7796931f54
16 changed files with 859 additions and 12 deletions
--- a/arch/x86/kernel/Makefile_32
+++ b/arch/x86/kernel/Makefile_32
--- a/arch/x86/kernel/Makefile_64
+++ b/arch/x86/kernel/Makefile_64
--- a/arch/x86/kernel/cpu/intel.c
+++ b/arch/x86/kernel/cpu/intel.c
--- a/arch/x86/kernel/ds.c
+++ b/arch/x86/kernel/ds.c
--- a/arch/x86/kernel/process_32.c
+++ b/arch/x86/kernel/process_32.c
--- a/arch/x86/kernel/process_64.c
+++ b/arch/x86/kernel/process_64.c
--- a/arch/x86/kernel/ptrace.c
+++ b/arch/x86/kernel/ptrace.c
--- a/arch/x86/kernel/setup_64.c
+++ b/arch/x86/kernel/setup_64.c
--- a/arch/x86/kernel/step.c
+++ b/arch/x86/kernel/step.c