- 17 5月, 2011 15 次提交
-
-
由 Martin Schwidefsky 提交于
Do the mcount offset adjustment in the recordmcount.pl/recordmcount.[ch] at compile time and not in ftrace_call_adjust at run time. Signed-off-by: NMartin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: NSteven Rostedt <rostedt@goodmis.org>
-
由 Martin Schwidefsky 提交于
Do the mcount offset adjustment in the recordmcount.pl/recordmcount.[ch] at compile time and not in ftrace_call_adjust at run time. Signed-off-by: NMartin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: NSteven Rostedt <rostedt@goodmis.org>
-
由 Martin Schwidefsky 提交于
Introduce mcount_adjust{,_32,_64} to the C implementation of recordmcount analog to $mcount_adjust in the perl script. The adjustment is added to the address of the relocations against the mcount symbol. If this adjustment is done by recordmcount at compile time the ftrace_call_adjust function can be turned into a nop. Cc: John Reiser <jreiser@bitwagon.com> Signed-off-by: NMartin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: NSteven Rostedt <rostedt@goodmis.org>
-
由 Steven Rostedt 提交于
The code to get the symbol, string, and relp pointers in the two functions sift_rel_mcount() and nop_mcount() are identical and also non-trivial. Moving this duplicate code into a single helper function makes the code easier to read and more maintainable. Cc: John Reiser <jreiser@bitwagon.com> Link: http://lkml.kernel.org/r/20110421023739.723658553@goodmis.orgSigned-off-by: NSteven Rostedt <rostedt@goodmis.org>
-
由 Steven Rostedt 提交于
The code in sift_rel_mcount() and nop_mcount() to get the mcount symbol number is identical. Replace the two locations with a call to a function that does the work. Cc: John Reiser <jreiser@bitwagon.com> Link: http://lkml.kernel.org/r/20110421023739.488093407@goodmis.orgSigned-off-by: NSteven Rostedt <rostedt@goodmis.org>
-
由 Steven Rostedt 提交于
The section called .discard.text has tracing attached to it and is currently ignored by ftrace. But it does include a call to the mcount stub. Adding a notrace to the code keeps gcc from adding the useless mcount caller to it. Link: http://lkml.kernel.org/r/20110421023739.243651696@goodmis.orgSigned-off-by: NSteven Rostedt <rostedt@goodmis.org>
-
由 Steven Rostedt 提交于
The init and exit sections should not be traced and adding a call to mcount to them is a waste of text and instruction cache. Have the macro section attributes include notrace to ignore these functions for tracing from the build. Link: http://lkml.kernel.org/r/20110421023738.953028219@goodmis.orgSigned-off-by: NSteven Rostedt <rostedt@goodmis.org>
-
由 Steven Rostedt 提交于
When mcount is called in a section that ftrace will not modify it into a nop, we want to warn about this. But not warn about this always. Now if the user builds the kernel with the option RECORDMCOUNT_WARN=1 then the build will warn about mcount callers that are ignored and will just waste execution time. Acked-by: NMichal Marek <mmarek@suse.cz> Cc: linux-kbuild@vger.kernel.org Link: http://lkml.kernel.org/r/20110421023738.714956282@goodmis.orgSigned-off-by: NSteven Rostedt <rostedt@goodmis.org>
-
由 Steven Rostedt 提交于
There's some sections that should not have mcount recorded and should not have modifications to the that code. But currently they waste some time by calling mcount anyway (which simply returns). As the real answer should be to either whitelist the section or have gcc ignore it fully. This change adds a option to recordmcount to warn when it finds a section that is ignored by ftrace but still contains mcount callers. This is not on by default as developers may not know if the section should be completely ignored or added to the whitelist. Cc: John Reiser <jreiser@bitwagon.com> Link: http://lkml.kernel.org/r/20110421023738.476989377@goodmis.orgSigned-off-by: NSteven Rostedt <rostedt@goodmis.org>
-
由 Steven Rostedt 提交于
There are sections that are ignored by ftrace for the function tracing because the text is in a section that can be removed without notice. The mcount calls in these sections are ignored and ftrace never sees them. The downside of this is that the functions in these sections still call mcount. Although the mcount function is defined in assembly simply as a return, this added overhead is unnecessary. The solution is to convert these callers into nops at compile time. A better solution is to add 'notrace' to the section markers, but as new sections come up all the time, it would be nice that they are delt with when they are created. Later patches will deal with finding these sections and doing the proper solution. Thanks to H. Peter Anvin for giving me the right nops to use for x86. Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: John Reiser <jreiser@bitwagon.com> Link: http://lkml.kernel.org/r/20110421023738.237101176@goodmis.orgSigned-off-by: NSteven Rostedt <rostedt@goodmis.org>
-
由 Steven Rostedt 提交于
PROGBITS is not enough to determine if the section should be modified or not. Only process sections that are marked as executable. Cc: John Reiser <jreiser@bitwagon.com> Link: http://lkml.kernel.org/r/20110421023737.991485123@goodmis.orgSigned-off-by: NSteven Rostedt <rostedt@goodmis.org>
-
由 Steven Rostedt 提交于
The .kprobe.text section is safe to modify mcount to nop and tracing. Add it to the whitelist in recordmcount.c and recordmcount.pl. Cc: John Reiser <jreiser@bitwagon.com> Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> Link: http://lkml.kernel.org/r/20110421023737.743350547@goodmis.orgSigned-off-by: NSteven Rostedt <rostedt@goodmis.org>
-
由 Steven Rostedt 提交于
The Linux style for switch statements is: switch (var) { case x: [...] break; } Not: switch (var) { case x: { [...] } break; Cc: John Reiser <jreiser@bitwagon.com> Link: http://lkml.kernel.org/r/20110421023737.523968644@goodmis.orgSigned-off-by: NSteven Rostedt <rostedt@goodmis.org>
-
由 Steven Rostedt 提交于
The Linux ftrace subsystem style for comparing is: var == 1 var > 0 and not: 1 == var 0 < var It is considered that Linux developers are smart enough not to do the if (var = 1) mistake. Cc: John Reiser <jreiser@bitwagon.com> Link: http://lkml.kernel.org/r/20110421023737.290712238@goodmis.orgSigned-off-by: NSteven Rostedt <rostedt@goodmis.org>
-
由 Michal Marek 提交于
Modifications to recordmcount must be performed on all object files to stay consistent with what the kernel code may expect. Add the recordmcount files to the main dependencies to make sure any change to them causes a full recompile. Signed-off-by: NMichal Marek <mmarek@suse.cz> Link: http://lkml.kernel.org/r/20110517133646.GP13293@sepie.suse.czSigned-off-by: NSteven Rostedt <rostedt@goodmis.org>
-
- 12 5月, 2011 1 次提交
-
-
由 Richard Weinberger 提交于
Both warning and warning_symbol are nowhere used. Let's get rid of them. Signed-off-by: NRichard Weinberger <richard@nod.at> Cc: Oleg Nesterov <oleg@redhat.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Huang Ying <ying.huang@intel.com> Cc: Soeren Sandmann Pedersen <ssp@redhat.com> Cc: Namhyung Kim <namhyung@gmail.com> Cc: x86 <x86@kernel.org> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Robert Richter <robert.richter@amd.com> Cc: Paul Mundt <lethal@linux-sh.org> Link: http://lkml.kernel.org/r/1305205872-10321-2-git-send-email-richard@nod.atSigned-off-by: NFrederic Weisbecker <fweisbec@gmail.com>
-
- 10 5月, 2011 24 次提交
-
-
由 Lin Ming 提交于
pubname_callback_param::found should be initialized to 0 in fastpath lookup, the structure is on the stack and uninitialized otherwise. Signed-off-by: NLin Ming <ming.m.lin@intel.com> Cc: Arnaldo Carvalho de Melo <acme@infradead.org> Link: http://lkml.kernel.org/r/1304066518-30420-2-git-send-email-ming.m.lin@intel.comSigned-off-by: NIngo Molnar <mingo@elte.hu>
-
由 Ingo Molnar 提交于
Merge reason: pull in the latest fixes. Signed-off-by: NIngo Molnar <mingo@elte.hu>
-
由 Linus Torvalds 提交于
-
由 Hugh Dickins 提交于
Commit a626ca6a ("vm: fix vm_pgoff wrap in stack expansion") fixed the case of an expanding mapping causing vm_pgoff wrapping when you had downward stack expansion. But there was another case where IA64 and PA-RISC expand mappings: upward expansion. This fixes that case too. Signed-off-by: NHugh Dickins <hughd@google.com> Cc: stable@kernel.org Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
-
git://git.kernel.org/pub/scm/linux/kernel/git/keithp/linux-2.6由 Linus Torvalds 提交于
* 'drm-intel-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/keithp/linux-2.6: drm/i915/lvds: Only act on lid notify when the device is on drm/i915: fix intel_crtc_clock_get pipe reads after "cleanup cleanup" drm/i915: Only enable the plane after setting the fb base (pre-ILK) drm/i915/dp: Be paranoid in case we disable a DP before it is attached drm/i915: Release object along create user fb error path
-
由 Mikulas Patocka 提交于
Linux kernel excludes guard page when performing mlock on a VMA with down-growing stack. However, some architectures have up-growing stack and locking the guard page should be excluded in this case too. This patch fixes lvm2 on PA-RISC (and possibly other architectures with up-growing stack). lvm2 calculates number of used pages when locking and when unlocking and reports an internal error if the numbers mismatch. [ Patch changed fairly extensively to also fix /proc/<pid>/maps for the grows-up case, and to move things around a bit to clean it all up and share the infrstructure with the /proc bits. Tested on ia64 that has both grow-up and grow-down segments - Linus ] Signed-off-by: NMikulas Patocka <mikulas@artax.karlin.mff.cuni.cz> Tested-by: NTony Luck <tony.luck@gmail.com> Cc: stable@kernel.org Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
-
由 Linus Torvalds 提交于
Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mjg59/platform-drivers-x86 * 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mjg59/platform-drivers-x86: eeepc-laptop: Use ACPI handle to identify rfkill port [PATCH] sony-laptop: limit brightness range to DSDT provided ones sony-laptop: report failures on setting LCD brightness thinkpad-acpi: module autoloading for newer Lenovo ThinkPads.
-
由 Alex Williamson 提交于
If we're using vga switcheroo, the device may be turned off and poking it can return random state. This provokes an OOPS fixed separately by 8ff887c847 (drm/i915/dp: Be paranoid in case we disable a DP before it is attached). Trying to use and respond to events on a device that has been turned off by the user is in principle a silly thing to do. Signed-off-by: NAlex Williamson <alex.williamson@redhat.com> Signed-off-by: NChris Wilson <chris@chris-wilson.co.uk> Cc: stable@kernel.org Signed-off-by: NKeith Packard <keithp@keithp.com>
-
由 Chris Wilson 提交于
Despite the fixes in 548f245b (drm/i915: fix per-pipe reads after "cleanup"), we missed one neighbouring read that was mistakenly replaced with the reg value in 9db4a9c7 (drm/i915: cleanup per-pipe reg usage). This was preventing us from correctly determining the mode the BIOS left the panel in for machines that neither have an OpRegion nor access to the VBT, (e.g. the EeePC 700). Signed-off-by: NChris Wilson <chris@chris-wilson.co.uk> Cc: Jesse Barnes <jbarnes@virtuousgeek.org> Cc: stable@kernel.org Reviewed-by: NJesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: NKeith Packard <keithp@keithp.com>
-
由 Chris Wilson 提交于
When enabling the plane, it is helpful to have already pointed that plane to valid memory or else we may incur the wrath of a PGTBL_ER. This code preserved the behaviour from the bad old days for unknown reasons... Found by assert_fb_bound_for_plane(). References: https://bugs.freedesktop.org/show_bug.cgi?id=36246Signed-off-by: NChris Wilson <chris@chris-wilson.co.uk> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: NKeith Packard <keithp@keithp.com>
-
git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6由 Linus Torvalds 提交于
* 'fix/asoc' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6: ASoC: Fix CODEC DAI names for Goni ASoC: Fix CODEC name in Goni davinci-mcasp: fix _CBM_CFS pin directions davinci-mcasp: fix _CBM_CFS hw_params davinci-mcasp: use bitfield definitions for PDIR ASoC: davinci-mcasp: correct tdm_slots limit
-
git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6由 Linus Torvalds 提交于
* 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6: drm/radeon/kms: add pci id to acer travelmate quirk for 5730 drm/radeon: fix order of doing things in radeon_crtc_cursor_set drm: mm: fix debug output drm/radeon/kms: ATPX switcheroo fixes drm/nouveau: Fix a crash at card takedown for NV40 and older cards
-
由 Linus Torvalds 提交于
* hpfs: HPFS: Remove unused variable HPFS: Move declaration up, so that there are no out-of-scope pointers HPFS: Fix some unaligned accesses HPFS: Fix endianity. Make hpfs work on big-endian machines HPFS: Implement fsync for hpfs HPFS: Fix a bug that filesystem was not marked dirty when remounting it HPFS: Restrict uid and gid to 16-bit values HPFS: When marking or clearing the dirty bit, sync the filesystem HPFS: Use types with defined width HPFS: Remove mark_inode_dirty HPFS: Remove CR/LF conversion option HPFS: Remove remaining locks HPFS: Introduce a global mutex and lock it on every callback from VFS. HPFS: Make HPFS compile on preempt and SMP
-
由 Mikulas Patocka 提交于
Remove unused variable Signed-off-by: NMikulas Patocka <mikulas@artax.karlin.mff.cuni.cz> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
-
由 Mikulas Patocka 提交于
Move declaration up, so that there are no out-of-scope pointers Reported-by: NJesper Juhl <jj@chaosbits.net> Signed-off-by: NMikulas Patocka <mikulas@artax.karlin.mff.cuni.cz> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
-
由 Mikulas Patocka 提交于
Fix some unaligned accesses Signed-off-by: NMikulas Patocka <mikulas@artax.karlin.mff.cuni.cz> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
-
由 Mikulas Patocka 提交于
Fix endianity. Make hpfs work on big-endian machines. Signed-off-by: NMikulas Patocka <mikulas@artax.karlin.mff.cuni.cz> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
-
由 Mikulas Patocka 提交于
Implement fsync for hpfs. Signed-off-by: NMikulas Patocka <mikulas@artax.karlin.mff.cuni.cz> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
-
由 Mikulas Patocka 提交于
Fix a bug that filesystem was not marked dirty when remounting it Signed-off-by: NMikulas Patocka <mikulas@artax.karlin.mff.cuni.cz> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
-
由 Mikulas Patocka 提交于
Restrict uid and gid to 16-bit values. HPFS stores only 2 bytes in the EAs. Signed-off-by: NMikulas Patocka <mikulas@artax.karlin.mff.cuni.cz> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
-
由 Mikulas Patocka 提交于
When marking or clearing the dirty bit, sync the filesystem Signed-off-by: NMikulas Patocka <mikulas@artax.karlin.mff.cuni.cz> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
-
由 Mikulas Patocka 提交于
Use types with defined width Signed-off-by: NMikulas Patocka <mikulas@artax.karlin.mff.cuni.cz> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
-
由 Mikulas Patocka 提交于
Remove mark_inode_dirty HPFS doesn't use kernel's dirty inode indicator anyway because writing an inode requires directory's mutex. Signed-off-by: NMikulas Patocka <mikulas@artax.karlin.mff.cuni.cz> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
-
由 Mikulas Patocka 提交于
Remove CR/LF conversion option It is unused anyway. It was used on 2.2 kernels or so. Signed-off-by: NMikulas Patocka <mikulas@artax.karlin.mff.cuni.cz> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
-