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-rw-r--r--arch/x86/Kconfig.cpu24
1 files changed, 4 insertions, 20 deletions
diff --git a/arch/x86/Kconfig.cpu b/arch/x86/Kconfig.cpu
index a19829374e6a..2ac9069890cd 100644
--- a/arch/x86/Kconfig.cpu
+++ b/arch/x86/Kconfig.cpu
@@ -338,6 +338,10 @@ config X86_F00F_BUG
338 def_bool y 338 def_bool y
339 depends on M586MMX || M586TSC || M586 || M486 || M386 339 depends on M586MMX || M586TSC || M586 || M486 || M386
340 340
341config X86_INVD_BUG
342 def_bool y
343 depends on M486 || M386
344
341config X86_WP_WORKS_OK 345config X86_WP_WORKS_OK
342 def_bool y 346 def_bool y
343 depends on !M386 347 depends on !M386
@@ -502,23 +506,3 @@ config CPU_SUP_UMC_32
502 CPU might render the kernel unbootable. 506 CPU might render the kernel unbootable.
503 507
504 If unsure, say N. 508 If unsure, say N.
505
506config X86_DS
507 def_bool X86_PTRACE_BTS
508 depends on X86_DEBUGCTLMSR
509 select HAVE_HW_BRANCH_TRACER
510
511config X86_PTRACE_BTS
512 bool "Branch Trace Store"
513 default y
514 depends on X86_DEBUGCTLMSR
515 depends on BROKEN
516 ---help---
517 This adds a ptrace interface to the hardware's branch trace store.
518
519 Debuggers may use it to collect an execution trace of the debugged
520 application in order to answer the question 'how did I get here?'.
521 Debuggers may trace user mode as well as kernel mode.
522
523 Say Y unless there is no application development on this machine
524 and you want to save a small amount of code size.