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2013-06-22ARC: stop using pt_regs->orig_r8Vineet Gupta
Historically, pt_regs have had orig_r8, an overloaded container for (1) backup copy of r8 (syscall number Trap Exceptions) (2) additional system state: (syscall/Exception/Interrupt) There is no point in keeping (1) since syscall number is never clobbered in-place, in pt_regs, unlike r0 which duals as first syscall arg as well as syscall return value and in case of syscall restart, the orig arg0 needs restoring (from orig_r0) after having been updated in-place with syscall ret value. This further paves way to convert (2) to contain ECR itself (rather than current madeup values) Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2013-06-22ARC: pt_regs update #4: r25 saved/restored unconditionallyVineet Gupta
(This is a VERY IMP change for low level interrupt/exception handling) ----------------------------------------------------------------------- WHAT ----------------------------------------------------------------------- * User 25 now saved in pt_regs->user_r25 (vs. tsk->thread_info.user_r25) * This allows Low level interrupt code to unconditionally save r25 (vs. the prev version which would only do it for U->K transition). Ofcourse for nested interrupts, only the pt_regs->user_r25 of bottom-most frame is useful. * simplifies the interrupt prologue/epilogue * Needed for ARCv2 ISA code and done here to keep design similar with ARCompact event handling ----------------------------------------------------------------------- WHY ------------------------------------------------------------------------- With CONFIG_ARC_CURR_IN_REG, r25 is used to cache "current" task pointer in kernel mode. So when entering kernel mode from User Mode - user r25 is specially safe-kept (it being a callee reg is NOT part of pt_regs which are saved by default on each interrupt/trap/exception) - r25 loaded with current task pointer. Further, if interrupt was taken in kernel mode, this is skipped since we know that r25 already has valid "current" pointer. With 2 level of interrupts in ARCompact ISA, detecting this is difficult but still possible, since we could be in kernel mode but r25 not already saved (in fact the stack itself might not have been switched). A. User mode B. L1 IRQ taken C. L2 IRQ taken (while on 1st line of L1 ISR) So in #C, although in kernel mode, r25 not saved (infact SP not switched at all) Given that ARcompact has manual stack switching, we could use a bit of trickey - The low level code would make sure that SP is only set to kernel mode value at the very end (after saving r25). So a non kernel mode SP, even if in kernel mode, meant r25 was NOT saved. The same paradigm won't work in ARCv2 ISA since SP is auto-switched so it's setting can't be delayed/constrained. Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2013-06-22ARC: K/U SP saved from one location in stack switching macroVineet Gupta
This paves way for further simplifications. There's an overhead of 1 insn for the non-common case of interrupt taken from kernel mode. Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2013-06-22ARC: Entry Handler tweaks: Simplify branch for in-kernel preemptionVineet Gupta
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2013-06-22ARC: Entry Handler tweaks: Avoid hardcoded LIMMS for ECR valuesVineet Gupta
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2013-06-22ARC: Increase readability of entry handlersVineet Gupta
* use artificial PUSH/POP contructs for CORE Reg save/restore to stack * use artificial PUSHAX/POPAX contructs for Auxiliary Space regs * macro'ize multiple copies of callee-reg-save/restore (SAVE_R13_TO_R24) * use BIC insn for inverse-and operation Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2013-06-22ARC: pt_regs update #3: Remove unused gutter at start of callee_regsVineet Gupta
This is trickier than prev two: * context switching code saves kernel mode callee regs in the format of struct callee_regs thus needs adjustment. This also reduces the height of topmost kernel stack frame by 1 word. * Since kernel stack unwinder is sensitive to height of topmost kernel stack frame, that needs a word of adjustment too. ptrace needs a bit of updating since pt_regs now diverges from user_regs_struct. Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2013-06-22ARC: pt_regs update #2: Remove unused gutter at start of pt_regsVineet Gupta
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2013-06-22ARC: pt_regs update #1: Align pt_regs end with end of kernel stack pageVineet Gupta
Historically, pt_regs would end at offset of 1 word from end of stack page. ----------------- -> START of page (task->stack) | | | thread_info | ----------------- | | ^ ~ ~ | ~ ~ | | | | | | <---- pt_regs used to END here ----------------- | 1 word GUTTER | ----------------- -> End of page (START of kernel stack) This required special "one-off" considerations in low level code. The root cause is very likely assumption of "empty" SP by the original ARC kernel hackers, despite ARC700 always been "full" SP. So finally RIP one word gutter ! Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2013-06-22ARC: pt_regs update #0: remove kernel stack canaryVineet Gupta
This stack slot is going to be used in subsequent commits Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2013-06-22ARC: [mm] Remove @write argument to do_page_fault()Vineet Gupta
This can be ascertained within do_page_fault() since it gets the full ECR (Exception Cause Register). Further, for both the callers of do_page_fault(): Prot-V / D-TLB-Miss, the cause sub-fields in ECR are same for same type of access, making the code much more simpler. D-TLB-Miss [LD] 0x00_21_01_00 Prot-V [LD] 0x00_23_01_00 ^^ D-TLB-Miss [ST] 0x00_21_02_00 Prot-V [ST] 0x00_23_02_00 ^^ D-TLB-Miss [EX] 0x00_21_03_00 Prot-V [EX] 0x00_23_03_00 ^^ This helps code consolidation, which is even better when moving code from assembler to "C". Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2013-06-22ARC: [mm] Make stack/heap Non-executable by defaultVineet Gupta
1. For VM_EXEC based delayed dcache/icache flush, reduces the number of flushes. 2. Makes this security feature ON by default rather than OFF before. 3. Applications can use mprotect() to selectively override this. 4. ELF binaries have a GNU_STACK segment which can easily override the kernel default permissions. For nested-functions/trampolines, gcc already auto-enables executable stack in elf. Others needing this can use -Wl,-z,execstack option. Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2013-06-22ARC: [mm] Assume pagecache page dirty by defaultVineet Gupta
Similar to ARM/SH Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2013-06-22ARC: [mm] optimise VIPT dcache aliasing 2/xVineet Gupta
Non-congruent SRC page in copy_user_page() is dcache clean in the end - so record that fact, to avoid a subsequent extraneous flush. Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2013-06-22ARC: [mm] optimise VIPT dcache aliasing 1/xVineet Gupta
flush_cache_page() - kills icache only if page is executable Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2013-06-22ARC: [mm] Zero page optimizationVineet Gupta
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2013-06-22ARC: make dcache VIPT aliasing support dependant on dcacheAlexey Brodkin
Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com> Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2013-06-22ARC: No-op full icache flush if !CONFIG_ARC_HAS_ICACHEVineet Gupta
Also remove extraneous irq disabling in flush_cache_all() callstack Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2013-06-22ARC: cache detection code bitrotVineet Gupta
* Number of (i|d)cache ways can be retrieved from BCRs and hence no need to cross check with with built-in constants * Use of IS_ENABLED() to check for a Kconfig option * is_not_cache_aligned() not used anymore Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2013-06-22ARC: Reduce Code for ECR printingVineet Gupta
Cause codes are same for D-TLB-Miss and Prot-V Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2013-06-22ARC: Disintegrate arcregs.hVineet Gupta
* Move the various sub-system defines/types into relevant files/functions (reduces compilation time) * move CPU specific stuff out of asm/tlb.h into asm/mmu.h Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2013-06-22ARC: More code beautification with IS_ENABLED()Vineet Gupta
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2013-06-22ARC: Use kconfig helper IS_ENABLED() to get rid of defines.hVineet Gupta
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2013-06-22ARC: [plat-arcfpga] Fix build breakage when !CONFIG_ARC_SERIALMischa Jonker
This fixes the following: - CONFIG_ARC_SERIAL_BAUD is only defined when CONFIG_SERIAL_ARC is defined. Make sure that it isn't referenced otherwise. - There is no use for initializing arc_uart_info[] when CONFIG_SERIAL_ARC is not defined. [vgupta: tweaked changelog title, used IS_ENABLED() kconfig helper] Signed-off-by: Mischa Jonker <mjonker@synopsys.com> Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2013-06-22aout32 coredump compat fixAl Viro
dump_seek() does SEEK_CUR, not SEEK_SET; native binfmt_aout handles it correctly (seeks by PAGE_SIZE - sizeof(struct user), getting the current position to PAGE_SIZE), compat one seeks by PAGE_SIZE and ends up at PAGE_SIZE + already written... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-06-21firmware loader: fix compile warning with PM_SLEEP setMing Lei
This patch fixes the below compile warning: drivers/base/firmware_class.c:1254:12: warning: 'cache_firmware' defined but not used [-Wunused-function] static int cache_firmware(const char *fw_name) ^ drivers/base/firmware_class.c:1281:12: warning: 'uncache_firmware' defined but not used [-Wunused-function] static int uncache_firmware(const char *fw_name) ^ Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Ming Lei <ming.lei@canonical.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-06-21ahci: AHCI-mode SATA patch for Intel Coleto Creek DeviceIDsSeth Heasley
This patch adds the AHCI-mode SATA DeviceIDs for the Intel Coleto Creek PCH. Signed-off-by: Seth Heasley <seth.heasley@intel.com> Signed-off-by: Tejun Heo <tj@kernel.org> Cc: stable@vger.kernel.org
2013-06-21ata_piix: IDE-mode SATA patch for Intel Coleto Creek DeviceIDsSeth Heasley
This patch adds the IDE-mode SATA DeviceIDs for the Intel Coleto Creek PCH. Signed-off-by: Seth Heasley <seth.heasley@intel.com> Signed-off-by: Tejun Heo <tj@kernel.org> Cc: stable@vger.kernel.org
2013-06-21arm: Add Initial TI-Nspire supportDaniel Tang
This patch adds support for the TI-Nspire platform. Changes between v1 and v2: * Added GENERIC_IRQ_CHIP to platform Kconfig Signed-off-by: Daniel Tang <dt.tangr@gmail.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2013-06-21arm: Add device trees for TI-Nspire hardwareDaniel Tang
This patch adds device trees for describing the TI-Nspire hardware. Changes between v1 and v2: * Change "keymap" binding to the standard "linux,keymap" binding. Signed-off-by: Daniel Tang <dt.tangr@gmail.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2013-06-21Merge tag 'regmap-3.11-2' of git://git.infradead.org/users/jcooper/linux ↵Arnd Bergmann
into next/soc From Jason Cooper: mvebu register map changes for v3.11 (round 2) This series removes the hardcoded register base address for mvebu. For round 2: - multiplatform - fix booting on anything other than mvebu Depends (none new for round 2): - mvebu/fixes-non-critical (up to tags/fixes-non-3.11-1) - mvebu/cleanup (up to tags/cleanup-3.11-3) * tag 'regmap-3.11-2' of git://git.infradead.org/users/jcooper/linux: arm: mvebu: fix coherency_late_init() for multiplatform Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2013-06-21Merge tag 'dt-3.11-6' of git://git.infradead.org/users/jcooper/linux into ↵Arnd Bergmann
next/dt From Jason Cooper: mvebu dt changes for v3.11 (round 6) - mvebu - mini-PCIe connectors on Armada 370 RD - kirkwood - correct internal register ranges translation * tag 'dt-3.11-6' of git://git.infradead.org/users/jcooper/linux: ARM: Kirkwood: Fix the internal register ranges translation arm: mvebu: enable mini-PCIe connectors on Armada 370 RD Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2013-06-21hwmon: (w83627ehf) Remove redundant platform_set_drvdata()Sachin Kamat
Commit 0998d06310 (device-core: Ensure drvdata = NULL when no driver is bound) removes the need to set driver data field to NULL. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Cc: Jean Delvare <khali@linux-fr.org> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2013-06-21hwmon: (ntc_thermistor) Remove redundant platform_set_drvdata()Sachin Kamat
Commit 0998d06310 (device-core: Ensure drvdata = NULL when no driver is bound) removes the need to set driver data field to NULL. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Cc: MyungJoo Ham <myungjoo.ham@samsung.com> Acked-by: MyungJoo Ham <myungjoo.ham@samsung.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2013-06-21hwmon: (i5k_amb) Remove redundant platform_set_drvdata()Sachin Kamat
Commit 0998d06310 (device-core: Ensure drvdata = NULL when no driver is bound) removes the need to set driver data field to NULL. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Cc: Darrick J. Wong <djwong@us.ibm.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2013-06-21hwmon: (coretemp) Remove redundant platform_set_drvdata()Sachin Kamat
Commit 0998d06310 (device-core: Ensure drvdata = NULL when no driver is bound) removes the need to set driver data field to NULL. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Cc: Rudolf Marek <r.marek@assembler.cz> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2013-06-21hwmon: (abituguru3) Remove redundant platform_set_drvdata()Sachin Kamat
Commit 0998d06310 (device-core: Ensure drvdata = NULL when no driver is bound) removes the need to set driver data field to NULL. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Cc: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2013-06-21Merge branch 'x86/urgent' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 fixes from Peter Anvin: "This series fixes a couple of build failures, and fixes MTRR cleanup and memory setup on very specific memory maps. Finally, it fixes triggering backtraces on all CPUs, which was inadvertently disabled on x86." * 'x86/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/efi: Fix dummy variable buffer allocation x86: Fix trigger_all_cpu_backtrace() implementation x86: Fix section mismatch on load_ucode_ap x86: fix build error and kconfig for ia32_emulation and binfmt range: Do not add new blank slot with add_range_with_merge x86, mtrr: Fix original mtrr range get for mtrr_cleanup
2013-06-21Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linuxLinus Torvalds
Pull drm radeon fixes from Dave Airlie: "One core fix, but mostly radeon fixes for s/r and big endian UVD support, and a fix to stop the GPU being reset for no good reason, and crashing people's machines." * 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: drm/radeon: update lockup tracking when scheduling in empty ring drm/prime: Honor requested file flags when exporting a buffer drm/radeon: fix UVD on big endian drm/radeon: fix write back suspend regression with uvd v2 drm/radeon: do not try to uselessly update virtual memory pagetable
2013-06-21Merge tag 'acpi-3.10-rc7' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm Pull ACPI fixes from Rafael Wysocki: - Fix for a regression causing a failure to turn on some devices on some systems during initialization introduced by a recent revert of an ACPI PM change that broke something else. Fortunately, we know exactly what devices are affected, so we can add a fix just for them leaving everyone else alone. - ACPI power resources initialization fix preventing a NULL pointer from being dereferenced in the acpi_add_power_resource() error code path. - ACPI dock station driver fix that adds missing locking to write_undock(). - ACPI resources allocation fix changing the scope of an old workaround so that it doesn't affect systems that aren't actually buggy. This was reported a couple of days ago to fix DMA problems on some new platforms so we need it in -stable. From Mika Westerberg. * tag 'acpi-3.10-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: ACPI / LPSS: Power up LPSS devices during enumeration ACPI / PM: Fix error code path for power resources initialization ACPI / dock: Take ACPI scan lock in write_undock() ACPI / resources: call acpi_get_override_irq() only for legacy IRQ resources
2013-06-21Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvmLinus Torvalds
Pull KVM fixes from Paolo Bonzini: "Three one-line fixes for my first pull request; one for x86 host, one for x86 guest, one for PPC" * tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: x86: kvmclock: zero initialize pvclock shared memory area kvm/ppc/booke: Delay kvmppc_lazy_ee_enable KVM: x86: remove vcpu's CPL check in host-invoked XCR set
2013-06-21Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6Linus Torvalds
Pull crypto fix from Herbert Xu: "This fixes an unaligned crash in XTS mode when using aseni_intel" * git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: crypto: aesni_intel - fix accessing of unaligned memory
2013-06-21Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client Pull Ceph fix from Sage Weil: "This fixes a problem preventing the kernel and userland librbd libraries from sharing data with the new format 2 images" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client: rbd: use the correct length for format 2 object names
2013-06-21ASoC: samsung: Fix a typo of CONFIG_SND_SOC_BT_SCOTakashi Iwai
... instead of CONFIG_SND_SOC_SCO. Introduced in the commit 200ceb96. Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-06-21ASoC: omap: Fix the leftover CONFIG_SND_SOC_HDMI_CODECTakashi Iwai
Replace the leftover CONFIG_SND_SOC_OMAP_HDMI_CODEC in sound/soc/omap/Kconfig with CONFIG_SND_SOC_HDMI_CODEC, which was forgotten in the commit bf7c6e6c. Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-06-21Merge tag 'asoc-v3.11' of ↵Takashi Iwai
git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-next ASoC: Updates for v3.11 Not a big release subsystem wise, the main changes have been some nice improvements on the driver side: - Lots of cleanups and fixes for Blackfin, SGTL5000 and UX500. - Generalisation of the Bluetooth and HDMI stub drivers. - New CODEC drivers for SSM2518 and RT5640. - New machine driver for Tegra CPUs with RT5640.
2013-06-21ARM: Kirkwood: Fix the internal register ranges translationEzequiel Garcia
Although the internal register window size is 1 MiB, the previous ranges translation for the internal register space had a size of 0x4000000. This was done to allow the crypto and nand node to access the corresponding 'sram' and 'nand' decoding windows. In order to describe the hardware more accurately, we declare the real 1 MiB internal register space in the ranges, and add a translation entry for the nand node to access the 'nand' window. This commit will make future improvements on the MBus DT binding easier. Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com> Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2013-06-21ARM: at91: cpuidle: Fix target_residencyDaniel Lezcano
The following commit: commit 7e348b9012522fa0efd854d20d210d5e57fcedd1 Author: Robert Lee <rob.lee@linaro.org> Date: Tue Mar 20 15:22:43 2012 -0500 ARM: at91: Consolidate time keeping and irq enable Enable core cpuidle timekeeping and irq enabling and remove that handling from this code. introduced an additional zero to the state1 (suspend) target residency. With a periodic tick, the cpu never enters the state1 with both 10000 and 100000. With a tickless system, it enters to state1 much more often with the initial value, roughly x7 more. Fix it by setting the value to 10ms again. Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> [nicola.ferre@atmel.com: add precisions given by Daniel to commit message] Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2013-06-21ARM: at91: fix at91_extern_irq usage for non-dt boardsJean-Christophe PLAGNIOL-VILLARD
Since 4b68520dc0ec96153bc0d87bca5ffba508edfcf ARM: at91: add AIC5 support we allocate the at91_extern_irq. This patch makes it static and stores the non-dt extern irq in the soc structure. It is then possible to use a at91_get_extern_irq() function to get the value for outside of the irq driver. It is useful for passing its value to at91_aic_init(). Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Acked-by: Ludovic Desroches <ludovic.desroches@atmel.com> [nicolas.ferre@atmel.com: rework commit message] Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2013-06-21trace,x86: Move creation of irq tracepoints from apic.c to irq.cSteven Rostedt (Red Hat)
Compiling without CONFIG_X86_LOCAL_APIC set, apic.c will not be compiled, and the irq tracepoints will not be created via the CREATE_TRACE_POINTS macro. When CONFIG_X86_LOCAL_APIC is not set, we get the following build error: LD init/built-in.o arch/x86/built-in.o: In function `trace_x86_platform_ipi_entry': linux-test.git/arch/x86/include/asm/trace/irq_vectors.h:66: undefined reference to `__tracepoint_x86_platform_ipi_entry' arch/x86/built-in.o: In function `trace_x86_platform_ipi_exit': linux-test.git/arch/x86/include/asm/trace/irq_vectors.h:66: undefined reference to `__tracepoint_x86_platform_ipi_exit' arch/x86/built-in.o: In function `trace_irq_work_entry': linux-test.git/arch/x86/include/asm/trace/irq_vectors.h:72: undefined reference to `__tracepoint_irq_work_entry' arch/x86/built-in.o: In function `trace_irq_work_exit': linux-test.git/arch/x86/include/asm/trace/irq_vectors.h:72: undefined reference to `__tracepoint_irq_work_exit' arch/x86/built-in.o:(__jump_table+0x8): undefined reference to `__tracepoint_x86_platform_ipi_entry' arch/x86/built-in.o:(__jump_table+0x14): undefined reference to `__tracepoint_x86_platform_ipi_exit' arch/x86/built-in.o:(__jump_table+0x20): undefined reference to `__tracepoint_irq_work_entry' arch/x86/built-in.o:(__jump_table+0x2c): undefined reference to `__tracepoint_irq_work_exit' make[1]: *** [vmlinux] Error 1 make: *** [sub-make] Error 2 As irq.c is always compiled for x86, it is a more appropriate location to create the irq tracepoints. Cc: Seiji Aguchi <seiji.aguchi@hds.com> Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
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