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*-----. Merge branches 'x86/xen', 'x86/build', 'x86/microcode', 'x86/mm-debug-v2', ↵Ingo Molnar2008-10-121-3/+41
|\ \ \ \ | | | | | | | | | | | | | | | 'x86/memory-corruption-check', 'x86/early-printk', 'x86/xsave', 'x86/ptrace-v2', 'x86/quirks', 'x86/setup', 'x86/spinlocks' and 'x86/signal' into x86/core-v2
| | | | * x86: ioperm user_regsetRoland McGrath2008-10-121-0/+37
| |_|_|/ |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This adds a user_regset type for the x86 io permissions bitmap. This makes it appear in core dumps (when ioperm has been used). It will also make it visible to debuggers in the future. Signed-off-by: Roland McGrath <roland@redhat.com> Signed-off-by: H. Peter Anvin <hpa@zytor.com> [conflict resolutions: Signed-off-by: Ingo Molnar <mingo@elte.hu> ]
| * | | Merge branch 'x86/urgent' into core/signalIngo Molnar2008-10-121-175/+269
| |\ \ \ | |/ / / |/| | | | | | | | | | | Conflicts: arch/x86/kernel/signal_64.c
| * | | signals: demultiplexing SIGTRAP signalSrinivasa Ds2008-09-231-3/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently a SIGTRAP can denote any one of below reasons. - Breakpoint hit - H/W debug register hit - Single step - Signal sent through kill() or rasie() Architectures like powerpc/parisc provides infrastructure to demultiplex SIGTRAP signal by passing down the information for receiving SIGTRAP through si_code of siginfot_t structure. Here is an attempt is generalise this infrastructure by extending it to x86 and x86_64 archs. Signed-off-by: Srinivasa DS <srinivasa@in.ibm.com> Cc: Roland McGrath <roland@redhat.com> Cc: akpm@linux-foundation.org Cc: paulus@samba.org Cc: linuxppc-dev@ozlabs.org Signed-off-by: Ingo Molnar <mingo@elte.hu>
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| *-. \ \ Merge branches 'x86/tracehook', 'x86/xsave' and 'x86/prototypes' into x86/signalIngo Molnar2008-09-061-29/+7
| |\ \ \ \ | | |_|/ / | |/| | | | | | | | | | | | | | | | | | | | | | | Conflicts: arch/x86/kernel/signal_64.c Signed-off-by: Ingo Molnar <mingo@elte.hu>
* | | | | Merge branch 'x86/tracehook' into x86-v28-for-linus-phase1Ingo Molnar2008-10-061-28/+6
|\ \ \ \ \ | | |/ / / | |/| | | | | | | | | | | | | | | | | | | | | | | Conflicts: arch/x86/kernel/signal_64.c Signed-off-by: Ingo Molnar <mingo@elte.hu>
| * | | | x86: tracehook syscallRoland McGrath2008-07-261-28/+6
| |/ / / | | | | | | | | | | | | | | | | | | | | | | | | This changes x86 syscall tracing to use the new tracehook.h entry points. There is no change, only cleanup. Signed-off-by: Roland McGrath <roland@redhat.com>
* | | | Merge branch 'x86/prototypes' into x86-v28-for-linus-phase1Ingo Molnar2008-10-061-1/+1
|\ \ \ \ | | |/ / | |/| | | | | | | | | | | | | | | | | | Conflicts: arch/x86/kernel/process_32.c Signed-off-by: Ingo Molnar <mingo@elte.hu>
| * | | X86_32: declare pt_regs_access as unsigned longJaswinder Singh2008-07-251-1/+1
| |/ / | | | | | | | | | | | | | | | Fixed pt_regs_access to unsigned long as per X86_64 Signed-off-by: Jaswinder Singh <jaswinder@infradead.org>
* | | x86: ds.c ptrace.c integer as NULL pointer sparse fixesHarvey Harrison2008-09-241-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | fix: arch/x86/kernel/ptrace.c:763:29: warning: Using plain integer as NULL pointer arch/x86/kernel/ptrace.c:777:46: warning: Using plain integer as NULL pointer arch/x86/kernel/ptrace.c:1115:45: warning: Using plain integer as NULL pointer arch/x86/kernel/ds.c:482:26: warning: Using plain integer as NULL pointer arch/x86/kernel/ds.c:487:25: warning: Using plain integer as NULL pointer Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Acked-by: Cyrill Gorcunov <gorcunov@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* | | Merge branch 'linus' into x86/pebsIngo Molnar2008-07-251-97/+58
|\| | | | | | | | | | | | | | | | | | | | | | | | | | | | | Conflicts: arch/x86/Kconfig.cpu arch/x86/kernel/cpu/intel.c arch/x86/kernel/setup_64.c Signed-off-by: Ingo Molnar <mingo@elte.hu>
| * | x86 ptrace: user-sets-TF nitsRoland McGrath2008-07-161-0/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This closes some arcane holes in single-step handling that can arise only when user programs set TF directly (via popf or sigreturn) and then use vDSO (syscall/sysenter) system call entry. In those entry paths, the clear_TF_reenable case hits and we must check TIF_SINGLESTEP to be sure our bookkeeping stays correct wrt the user's view of TF. Signed-off-by: Roland McGrath <roland@redhat.com>
| * | x86 ptrace: unify syscall tracingRoland McGrath2008-07-161-95/+46
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This unifies and cleans up the syscall tracing code on i386 and x86_64. Using a single function for entry and exit tracing on 32-bit made the do_syscall_trace() into some terrible spaghetti. The logic is clear and simple using separate syscall_trace_enter() and syscall_trace_leave() functions as on 64-bit. The unification adds PTRACE_SYSEMU and PTRACE_SYSEMU_SINGLESTEP support on x86_64, for 32-bit ptrace() callers and for 64-bit ptrace() callers tracing either 32-bit or 64-bit tasks. It behaves just like 32-bit. Changing syscall_trace_enter() to return the syscall number shortens all the assembly paths, while adding the SYSEMU feature in a simple way. Signed-off-by: Roland McGrath <roland@redhat.com>
| * | x86 ptrace: fix PTRACE_GETFPXREGS errorRoland McGrath2008-07-011-2/+2
| |/ | | | | | | | | | | | | | | | | | | | | | | ptrace has always returned only -EIO for all failures to access registers. The user_regset calls are allowed to return a more meaningful variety of errors. The REGSET_XFP calls use -ENODEV for !cpu_has_fxsr hardware. Make ptrace return the traditional -EIO instead of the error code from the user_regset call. Signed-off-by: Roland McGrath <roland@redhat.com> Cc: stable@kernel.org Signed-off-by: Ingo Molnar <mingo@elte.hu>
* | Merge branch 'linus' into x86/pebsThomas Gleixner2008-05-171-2/+5
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| * x86: user_regset_view table fix for ia32 on 64-bitRoland McGrath2008-05-131-2/+5
| | | | | | | | | | | | | | | | | | | | The user_regset_view table for the 32-bit regsets on the 64-bit build had the wrong sizes for the FP regsets. This bug had no user-visible effect (just on kernel modules using the user_regset interfaces and the like). But the fix is trivial and risk-free. Signed-off-by: Roland McGrath <roland@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* | x86, ptrace: PEBS supportMarkus Metzger2008-05-121-175/+269
|/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Polish the ds.h interface and add support for PEBS. Ds.c is meant to be the resource allocator for per-thread and per-cpu BTS and PEBS recording. It is used by ptrace/utrace to provide execution tracing of debugged tasks. It will be used by profilers (e.g. perfmon2). It may be used by kernel debuggers to provide a kernel execution trace. Changes in detail: - guard DS and ptrace by CONFIG macros - separate DS and BTS more clearly - simplify field accesses - add functions to manage PEBS buffers - add simple protection/allocation mechanism - added support for Atom Opens: - buffer overflow handling Currently, only circular buffers are supported. This is all we need for debugging. Profilers would want an overflow notification. This is planned to be added when perfmon2 is made to use the ds.h interface. - utrace intermediate layer Signed-off-by: Markus Metzger <markus.t.metzger@intel.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* x86_64 ia32 ptrace: convert to compat_arch_ptraceRoland McGrath2008-04-261-59/+8
| | | | | | | | | Now that there are no more special cases in sys32_ptrace, we can convert to using the generic compat_sys_ptrace entry point. The sys32_ptrace function gets simpler and becomes compat_arch_ptrace. Signed-off-by: Roland McGrath <roland@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86_64 ia32 ptrace: use compat_ptrace_request for siginfoRoland McGrath2008-04-261-29/+1
| | | | | | | | | This removes the special-case handling for PTRACE_GETSIGINFO and PTRACE_SETSIGINFO from x86_64's sys32_ptrace. The generic compat_ptrace_request code handles these. Signed-off-by: Roland McGrath <roland@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86: regparm(3) is mandatory, no need to annotateHarvey Harrison2008-04-171-1/+0
| | | | | | | Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Cc: Roland McGrath <roland@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* x86: ptrace.c: fix defined-but-unused warningsAndrew Morton2008-03-271-84/+85
| | | | | | | | | | | | | | arch/x86/kernel/ptrace.c:548: warning: 'ptrace_bts_get_size' defined but not used arch/x86/kernel/ptrace.c:558: warning: 'ptrace_bts_read_record' defined but not used arch/x86/kernel/ptrace.c:607: warning: 'ptrace_bts_clear' defined but not used arch/x86/kernel/ptrace.c:617: warning: 'ptrace_bts_drain' defined but not used arch/x86/kernel/ptrace.c:720: warning: 'ptrace_bts_config' defined but not used arch/x86/kernel/ptrace.c:788: warning: 'ptrace_bts_status' defined but not used Cc: Roland McGrath <roland@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* x86: ia32 syscall restart fixRoland McGrath2008-03-111-1/+8
| | | | | | | | | | | | | | | | | | | | | | | | | The code to restart syscalls after signals depends on checking for a negative orig_ax, and for particular negative -ERESTART* values in ax. These fields are 64 bits and for a 32-bit task they get zero-extended. The syscall restart behavior is lost, a regression from a native 32-bit kernel and from 64-bit tasks' behavior. This patch fixes the problem by doing sign-extension where it matters. For orig_ax, the only time the value should be -1 but winds up as 0x0ffffffff is via a 32-bit ptrace call. So the patch changes ptrace to sign-extend the 32-bit orig_eax value when it's stored; it doesn't change the checks on orig_ax, though it uses the new current_syscall() inline to better document the subtle importance of the used of signedness there. The ax value is stored a lot of ways and it seems hard to get them all sign-extended at their origins. So for that, we use the current_syscall_ret() to sign-extend it only for 32-bit tasks at the time of the -ERESTART* comparisons. Signed-off-by: Roland McGrath <roland@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86_64: make ptrace always sign-extend orig_ax to 64 bitsRoland McGrath2008-03-081-0/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | This makes 64-bit ptrace calls setting the 64-bit orig_ax field for a 32-bit task sign-extend the low 32 bits up to 64. This matches what a 64-bit debugger expects when tracing a 32-bit task. This follows on my "x86_64 ia32 syscall restart fix". This didn't matter until that was fixed. The debugger ignores or zeros the high half of every register slot it sets (including the orig_rax pseudo-register) uniformly. It expects that the setting of the low 32 bits always has the same meaning as a 32-bit debugger setting those same 32 bits with native 32-bit facilities. This never arose before because the syscall restart check never matched any -ERESTART* values due to lack of sign extension. Before that fix, even 32-bit ptrace setting orig_eax to -1 failed to trigger the restart check anyway. So this was never noticed as a regression of 64-bit debuggers vs 32-bit debuggers on the same 64-bit kernel. Signed-off-by: Roland McGrath <roland@redhat.com> [ Changed to just do the sign-extension unconditionally on x86-64, since orig_ax is always just a small integer and doesn't need the full 64-bit range ] Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* x86: disable BTS ptrace extensions for nowIngo Molnar2008-02-291-0/+12
| | | | | | | | | | | | | | | | revert the BTS ptrace extension for now. based on general objections from Roland McGrath: http://lkml.org/lkml/2008/2/21/323 we'll let the BTS functionality cook some more and re-enable it in v2.6.26. We'll leave the dead code around to help the development of this code. (X86_BTS is not defined at the moment) Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86 ptrace: fix compat PTRACE_SETREGSRoland McGrath2008-02-221-2/+2
| | | | | | | Simple typo fix for regression introduced by the user_regset changes. Signed-off-by: Roland McGrath <roland@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* x86 ptrace: disallow null cs/ssRoland McGrath2008-02-061-2/+23
| | | | | | | | | | | | In my revamp of the x86 ptrace code for setting register values, I accidentally omitted a check that was there in the old code. Allowing %cs to be 0 causes a bad crash in recovery from iret failure. This patch fixes that regression against 2.6.24, and adds a comment that should help prevent this subtlety from being overlooked again. Signed-off-by: Roland McGrath <roland@redhat.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86, ptrace: add bts_struct size to status commandMarkus Metzger2008-01-301-0/+2
| | | | | | | | | Return the size of bts_struct in the PTRACE_BTS_STATUS command. Change types to u32. Signed-off-by: Markus Metzger <markus.t.metzger@intel.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86, ptrace: add buffer size checksMarkus Metzger2008-01-301-4/+21
| | | | | | | | | Pass the buffer size for (most) ptrace commands that pass user-allocated buffers and check that size before accessing the buffer. Unfortunately, PTRACE_BTS_GET already uses all 4 parameters. Commands that access user buffers return the number of bytes or records read or written. Signed-off-by: Markus Metzger <markus.t.metzger@intel.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* x86, ptrace: support 32bit-cross-64bit BTS recordingMarkus Metzger2008-01-301-1/+1
| | | | | | | | Support BTS recording of 32bit and 64bit tasks from 32bit or 64bit tasks. Signed-off-by: Markus Metzger <markus.t.metzger@intel.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* x86, ptrace: rlimit BTS buffer allocationMarkus Metzger2008-01-301-46/+103
| | | | | | | | Check the rlimit of the tracing task for total and locked memory when allocating the BTS buffer. Signed-off-by: Markus Metzger <markus.t.metzger@intel.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* x86: x86 ptrace generic requestsRoland McGrath2008-01-301-36/+1
| | | | | | | | | This removes duplicated code by calling the generic ptrace_request and compat_ptrace_request functions for the things they already handle. Signed-off-by: Roland McGrath <roland@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* x86: x86 core dump TLSRoland McGrath2008-01-301-0/+1
| | | | | | | | | | | | This makes ELF core dumps of 32-bit processes include a new note type NT_386_TLS (0x200) giving the contents of the TLS slots in struct user_desc format. This lets post mortem examination figure out what the segment registers mean like the debugger does with get_thread_area on a live process. Signed-off-by: Roland McGrath <roland@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* x86: x86 ptrace user_regsetRoland McGrath2008-01-301-159/+77
| | | | | | | | | | This cleans up the PTRACE_*REGS* request code so each one is just a simple call to copy_regset_to_user or copy_regset_from_user. The ptrace layouts already match the user_regset formats (core dump formats). Signed-off-by: Roland McGrath <roland@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* x86: x86 user_regset_viewRoland McGrath2008-01-301-0/+87
| | | | | | | | | This defines task_user_regset_view and the tables describing the x86 user_regset layouts for 32 and 64. Signed-off-by: Roland McGrath <roland@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* x86: x86 user_regset general regsRoland McGrath2008-01-301-0/+109
| | | | | | | | | This adds accessor functions in the user_regset style for the general registers (struct user_regs_struct). Signed-off-by: Roland McGrath <roland@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* x86: x86 i387 user_regsetRoland McGrath2008-01-301-1/+0
| | | | | | | | | | | | | | | This revamps the i387 code to be shared across 32-bit, 64-bit, and 32-on-64. It does so by consolidating the code in one place based on the user_regset accessor interfaces. This switches 32-bit to using the i387_64.h header and 64-bit to using the i387.c that was previously i387_32.c, but that's what took the least cleanup in each file. Here i387.h is stubbed to always include i387_64.h rather than renaming the file, to keep this diff smaller and easier to read. Signed-off-by: Roland McGrath <roland@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* x86, ptrace: new ptrace BTS APIMarkus Metzger2008-01-301-91/+130
| | | | | | | | | | | | | | | | Here's the new ptrace BTS API that supports two different overflow handling mechanisms (wrap-around and buffer-full-signal) to support two different use cases (debugging and profiling). It further combines buffer allocation and configuration. Opens: - memory rlimit - overflow signal What would be the right signal to use? Signed-off-by: Markus Metzger <markus.t.metzger@intel.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* x86, ptrace: change BTS GET ptrace interfaceMarkus Metzger2008-01-301-14/+16
| | | | | | | | Change the ptrace interface to mimick an array from newst to oldest. Signed-off-by: Markus Metzger <markus.t.metzger@intel.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* x86, ptrace: use jiffies for BTS timestampsMarkus Metzger2008-01-301-1/+1
| | | | | | | | Replace sched_clock() with jiffies for BTS timestamps. Signed-off-by: Markus Metzger <markus.t.metzger@intel.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* x86, ptrace: support for branch trace store(BTS)Markus Metzger2008-01-301-0/+212
| | | | | | | | | | | | | | | 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>
* x86: x86 ia32 ptrace arch mergeRoland McGrath2008-01-301-0/+214
| | | | | | | | | | This moves the sys32_ptrace code into arch/x86/kernel/ptrace.c, verbatim except for a few hard-coded sizes replaced with sizeof. Here this code can use the shared local functions in this file. Signed-off-by: Roland McGrath <roland@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* x86: x86 ia32 ptrace getreg/putreg mergeRoland McGrath2008-01-301-2/+128
| | | | | | | | | | | | | | | This reimplements the 64-bit IA32-emulation register access functions in arch/x86/kernel/ptrace.c, where they can share some guts with the native access functions directly. These functions are not used yet, but this paves the way to move IA32 ptrace support into this file to share its local functions. [akpm@linuxfoundation.org: Build fix] Signed-off-by: Roland McGrath <roland@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* x86: x86 ptrace merge syscall traceRoland McGrath2008-01-301-0/+64
| | | | | | | | | This moves the 64-bit syscall tracing functions into ptrace.c, so that ptrace_64.c becomes entirely obsolete. Signed-off-by: Roland McGrath <roland@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* x86: x86 ptrace arch mergeRoland McGrath2008-01-301-30/+35
| | | | | | | | | This adds 64-bit support to arch_ptrace in arch/x86/kernel/ptrace.c, so this function can be used for native ptrace on both 32 and 64. Signed-off-by: Roland McGrath <roland@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* x86: x86 ptrace getreg/putreg mergeRoland McGrath2008-01-301-4/+213
| | | | | | | | | | This merges 64-bit support into the low-level register access functions in arch/x86/kernel/ptrace.c, paving the way to share this file between 32-bit and 64-bit builds. Signed-off-by: Roland McGrath <roland@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* x86: x86 ptrace getreg/putreg cleanupRoland McGrath2008-01-301-66/+96
| | | | | | | | | This cleans up the getreg/putreg functions to move the special cases (segment registers and eflags) out into their own subroutines. Signed-off-by: Roland McGrath <roland@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* x86: ptrace FLAG_MASK cleanupRoland McGrath2008-01-301-3/+8
| | | | | | | | | This cleans up the FLAG_MASK macro to use symbolic constants instead of a magic number. Signed-off-by: Roland McGrath <roland@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* x86: ptrace_32 renamedRoland McGrath2008-01-301-0/+484
This renames ptrace_32.c back to ptrace.c, in preparation for merging the 32/64 versions of these files. Signed-off-by: Roland McGrath <roland@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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