- 07 Feb, 2008 40 commits
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Alan Cox authored
Signed-off-by:
Alan Cox <alan@redhat.com> Cc: Jiri Slaby <jirislaby@gmail.com> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Jiri Slaby authored
Both of them may be called directly from the code, don't add special code and variables and schedule a work for them. Signed-off-by:
Jiri Slaby <jirislaby@gmail.com> Acked-by:
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Jiri Slaby authored
- Cy_EVENT_OPEN_WAKEUP is simple wake_up - Cy_EVENT_HANGUP is wake_up + tty_hangup, which schedules its own work - Cy_EVENT_WRITE_WAKEUP is tty_wakeup which may be called directly too Signed-off-by:
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Jiri Slaby authored
- tty_hangup schedules a bottomhalf itself, tty_wakeup doesn't need it - call the CD code (part of work handler previously) directly from the code (it wakes somebody up or calls tty_hangup at worse) Signed-off-by:
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Jiri Slaby authored
- tqueue is used only for tty_wakeup, call it directly from the code - tqueue_hangup for tty_hangup, it schedules its own work, use it directly too Signed-off-by:
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Jiri Slaby authored
tty_hangup schedules a work for hangup itself, no need to do it in the driver. Signed-off-by:
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Jiri Slaby authored
There is no need to schedule a bottomhalf for either of them. One is fast and the another schedules a bottomhalf itself. Signed-off-by:
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Jiri Slaby authored
Let compiler decide if the rc_init_drivers function will be inlined and mark it as __init, because it's called only from __init function. Signed-off-by:
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Jiri Slaby authored
Don't emit warnings on 64 bit platforms from min(). sizeof() on those is not uint, neither 2 pointers difference, cast it to uint by min_t in both cases. Signed-off-by:
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Jiri Slaby authored
To not pass ulong address as int parameter, switch it to ulong. Signed-off-by:
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Jiri Slaby authored
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Jiri Slaby authored
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Jiri Slaby authored
- add KERN_ level to each print - change some levels appropriately - add \n at the ends where missing - change two complex printks into dev_info, where the original info is printed automatically Signed-off-by:
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Jiri Slaby authored
Don't busy wait for whole 1s when registering some rocket modems. Sleep instead since we are not in atomic. Signed-off-by:
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Frank Sorenson authored
Needs the following in order to work correctly on my Inspiron E1705: Add DMI Product name to i8k for Dell MP061 hardware (Inspiron 9400/E1705) Signed-off-by:
Frank Sorenson <frank@tuxrocks.com> Cc: Bradley Smith <bradjsmith@btinternet.com> Cc: Jeff Garzik <jeff@garzik.org> Signed-off-by:
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Bradley Smith authored
Adds i8k driver to the x86_64 Kconfig. Signed-off-by:
Bradley Smith <bradjsmith@btinternet.com> Cc: Frank Sorenson <frank@tuxrocks.com> Cc: Jeff Garzik <jeff@garzik.org> Signed-off-by:
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Bradley Smith authored
Adds #if clause and additional inline assembly so that the driver builds on x86_64 systems. Signed-off-by:
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Mathieu Desnoyers authored
Use the architecture specific __cmpxchg_u32 for 32 bits cmpxchg)_local. Else, use the new generic cmpxchg_local (disables interrupt). Signed-off-by:
Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca> Cc: Chris Zankel <chris@zankel.net> Signed-off-by:
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Mathieu Desnoyers authored
Use the new generic cmpxchg_local (disables interrupt). Also use the generic cmpxchg as fallback if SMP is not set. Signed-off-by:
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Mathieu Desnoyers authored
Use cmpxchg_u32 and cmpxchg_u64 for cmpxchg_local and cmpxchg64_local. For other type sizes, use the new generic cmpxchg_local (disables interrupt). Change: Since the header depends on local_irqsave/local_irqrestore, it must be included after their declaration. Actually, being below the #include <linux/irqflags.h> should be enough, and on sparc64 it is included at the beginning of system.h. So it makes sense to move it up for sparc64. Signed-off-by:
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Mathieu Desnoyers authored
Move cmpxchg and add cmpxchg_local to system.h. Use the new generic cmpxchg_local (disables interrupt). Signed-off-by:
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Mathieu Desnoyers authored
Use the standard __cmpxchg for every type that can be updated atomically. Use the new generic cmpxchg_local (disables interrupt) for other types. Signed-off-by:
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Gunnar Larisch authored
Add a local processor version of cmpxchg for ppc. Implements __cmpxchg_u32_local and uses it for 32 bits cmpxchg_local. It uses the non NMI safe cmpxchg_local_generic for 1, 2 and 8 bytes cmpxchg_local. Signed-off-by:
Gunnar Larisch <gl@denx.de> Signed-off-by:
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Mathieu Desnoyers authored
Use the new generic cmpxchg_local (disables interrupt). Also use the generic cmpxchg as fallback if SMP is not set. Signed-off-by:
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Mathieu Desnoyers authored
Use the new generic cmpxchg_local (disables interrupt). Also use the generic cmpxchg as fallback if SMP is not set. Signed-off-by:
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Mathieu Desnoyers authored
Use the new generic cmpxchg_local (disables interrupt). Also use the generic cmpxchg as fallback if SMP is not set. Signed-off-by:
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Mathieu Desnoyers authored
On m32r, use the new cmpxchg_local as primitive for the local_cmpxchg operation. Signed-off-by:
Hirokazu Takata <takata@linux-m32r.org> Signed-off-by:
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Mathieu Desnoyers authored
This patch is for Mathieu Desnoyers's include/asm-m32r/local.h. Applying the new include/asm-m32r/local.h, inclusion of linux/sched.h is needed to fix a build error of arch/m32r/kernel/smpboot.c. <-- snip --> ... CC arch/m32r/kernel/smpboot.o /project/m32r-linux/kernel/work/linux-2.6_dev.git/arch/m32r/kernel/smpboot.c: In function 'do_boot_cpu': /project/m32r-linux/kernel/work/linux-2.6_dev.git/arch/m32r/kernel/smpboot.c:279: error: implicit declaration of function 'fork_idle' /project/m32r-linux/kernel/work/linux-2.6_dev.git/arch/m32r/kernel/smpboot.c:279: warning: assignment makes pointer from integer without a cast /project/m32r-linux/kernel/work/linux-2.6_dev.git/arch/m32r/kernel/smpboot.c:283: error: dereferencing pointer to incomplete type /project/m32r-linux/kernel/work/linux-2.6_dev.git/arch/m32r/kernel/smpboot.c:289: error: dereferencing pointer to incomplete type /project/m32r-linux/kernel/work/linux-2.6_dev.git/arch/m32r/kernel/smpboot.c:290: error: implicit declaration of function 'task_thread_info' /project/m32r-linux/kernel/work/linux-2.6_dev.git/arch/m32r/kernel/smpboot.c:290: error: invalid type argument of '->' /project/m32r-linux/kernel/work/linux-2.6_dev.git/arch/m32r/kernel/smpboot.c: In function 'start_secondary': /project/m32r-linux/kernel/work/linux-2.6_dev.git/arch/m32r/kernel/smpboot.c:429: error: implicit declaration of function 'cpu_init' make[2]: *** [arch/m32r/kernel/smpboot.o] Error 1 <-- snip --> Signed-off-by:
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Mathieu Desnoyers authored
the #endif /* CONFIG_SMP */ should cover the default condition, or it may cause bad parameter to be silently missed. To make it work correctly, we have to remove the ifdef CONFIG SMP surrounding __xchg_called_with_bad_pointer declaration. Thanks to Adrian Bunk for detecting this. Signed-off-by:
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Mathieu Desnoyers authored
Add __xchg_local, xchg_local (define), __cmpxchg_local_u32, __cmpxchg_local, cmpxchg_local(macro). cmpxchg_local and cmpxchg64_local will use the architecture specific __cmpxchg_local_u32 for 32 bits arguments, and use the generic __cmpxchg_local_generic for 8, 16 and 64 bits arguments. Signed-off-by:
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Mathieu Desnoyers authored
Add the primitives cmpxchg_local, cmpxchg64 and cmpxchg64_local to ia64. They use cmpxchg_acq as underlying macro, just like the already existing ia64 cmpxchg(). Changelog: ia64 cmpxchg_local coding style fix Quoting Keith Owens: As a matter of coding style, I prefer #define cmpxchg_local cmpxchg #define cmpxchg64_local cmpxchg64 Which makes it absolutely clear that they are the same code. With your patch, humans have to do a string compare of two defines to see if they are the same. Note cmpxchg is *not* a performance win vs interrupt disable / enable on IA64. Signed-off-by:
Christoph Lameter <clameter@sgi.com> Cc: "Luck, Tony" <tony.luck@intel.com> Cc: Keith Owens <kaos@ocs.com.au> Signed-off-by:
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Mathieu Desnoyers authored
Use the new generic cmpxchg_local (disables interrupt). Also use the generic cmpxchg as fallback if SMP is not set. Signed-off-by:
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Mathieu Desnoyers authored
Use the new generic cmpxchg_local (disables interrupt) for 8, 16 and 64 bits arguments. Use the 32 bits cmpxchg available on the architecture for 32 bits arguments. Signed-off-by:
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Mathieu Desnoyers authored
Use the new generic cmpxchg_local (disables interrupt). Also use the generic cmpxchg as fallback if SMP is not set. Signed-off-by:
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Mathieu Desnoyers authored
Use the new generic cmpxchg_local (disables interrupt). Also use the generic cmpxchg as fallback if SMP is not set since nobody seems to know why __cmpxchg has been implemented in assembly in the first place thather than in plain C. Signed-off-by:
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Mathieu Desnoyers authored
Use the new generic cmpxchg_local (disables interrupt) for 8, 16 and 64 bits cmpxchg_local. Use the __cmpxchg_u32 primitive for 32 bits cmpxchg_local. Note that cmpxchg only uses the __cmpxchg_u32 or __cmpxchg_u64 and will cause a linker error if called with 8 or 16 bits argument. Signed-off-by:
Haavard Skinnemoen <hskinnemoen@atmel.com> Cc: Haavard Skinnemoen <hskinnemoen@atmel.com> Signed-off-by:
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Mathieu Desnoyers authored
Use the new generic cmpxchg_local (disables interrupt). Also use the generic cmpxchg as fallback if SMP is not set. Signed-off-by:
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Mathieu Desnoyers authored
Make sure that at least cmpxchg64_local is available on all architectures to use for unsigned long long values. Signed-off-by:
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Mathieu Desnoyers authored
Make sure that at least cmpxchg64_local is available on all architectures to use for unsigned long long values. Signed-off-by:
Paul Mackerras <paulus@samba.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by:
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Mathieu Desnoyers authored
Make sure that at least cmpxchg64_local is available on all architectures to use for unsigned long long values. Signed-off-by:
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