- 31 Oct, 2004 27 commits
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Matthew Wilcox authored
Add comments and references for relied-upon translations Add some extra comment to space_check Add support for prober and probew in our non-access TLB fault emulation path Force sr2 to 0 in syscall_restore Committed-by: Carlos O'Donell <carlos@parisc-linux.org>
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Matthew Wilcox authored
Fix compile error when HPUX support is enabled Committed-by: Randolph Chung <tausq@parisc-linux.org>
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Matthew Wilcox authored
fix __kernel_clock_t definition so that e.g. proper process times are returned to userspace Committed-by: Randolph Chung <tausq@parisc-linux.org>
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Matthew Wilcox authored
Make atomic_t an int instead of a long to match the other architectures Committed-by: Matthew Wilcox <willy@parisc-linux.org>
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Matthew Wilcox authored
Remove unused asm/som.h (Olaf Hering) Committed-by: Matthew Wilcox <willy@parisc-linux.org>
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Matthew Wilcox authored
Register usage documentation update Committed-by: Randolph Chung <tausq@parisc-linux.org>
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Matthew Wilcox authored
Remove gcc alias directive to fix gcc-3.3.4 64-bit kernels Committed-by: Carlos O'Donell <carlos@parisc-linux.org>
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Matthew Wilcox authored
- pdc_printf from Randolph Chung - implement memory barriers in debuglocks Committed-by: Thibaut Varene <varenet@parisc-linux.org>
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Matthew Wilcox authored
- Fix SMP f_list corruption problem. This was rather subtle. It turns out that gcc was doing a small amount of reordering around the file_lock because it doesn't see our spinlock implementation as being a barrier. To fix this I - Added the appropriate barriers to all the spinlocks. - Removed the atomic opencoded spinlock and redid it as a proper one. SMP now seems stable on a 2xA500 and has survived a 10 hour 35 loop make -j 4 kernel compile without showing any problems (previously, it usually fell over in the first loop). - Since we have one or two users who don't want SMP, make the code base compile for UP again ... - missing parenthesis for pointer dereferencing Committed-by: James Bottomley <jejb@parisc-linux.org> Committed-by: Thibaut Varene <varenet@parisc-linux.org>
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Matthew Wilcox authored
- fix unwind table search so it works reliably - add special case handling for ret_from_kernel_thread and _switch_to_ret - tidy up the code a bit - Fix sp falling in an unmapped kernel page - Sparse annotations Committed-by: Randolph Chung <tausq@parisc-linux.org>
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Matthew Wilcox authored
Indentation and comment cleanup Committed-by: Grant Grundler <grundler@parisc-linux.org>
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bk://bk.arm.linux.org.uk/linux-2.6-rmkLinus Torvalds authored
into ppc970.osdl.org:/home/torvalds/v2.6/linux
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Russell King authored
This set of changes came from a larger patch by Adrian Bunk.
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Liam Girdwood authored
Patch from Liam Girdwood Adds some PXA register and bit definitions:- o SSP ports o I2S o AC97_SYSCLK (Mainstone) o I2C Alternate function and direction o ASSP and NSSP Clock enables Signed-off-by: Liam Girdwood
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Liam Girdwood authored
Patch from Liam Girdwood This patch adds support the PXA250, 255, 26x and 27x SSP ports. It provides a generic core for simple IO-based SSP applications and allows easy port setup for DMA access. Depends on register definitions in patch 2084/1 Signed-off-by: Liam Girdwood
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George G. Davis authored
follows non-static declaration build error Patch from George G. Davis Building kernels with recent gcc-4.0-20041024 snapshot results in "static declaration of '__clz_tab' follows non-static declaration" build error. Since the "extern const UQItype __clz_tab[]" definition is not required, this patch removes it to fix the build. Signed-off-by: George G. Davis
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George G. Davis authored
static declaration build error Patch from George G. Davis Building kernels with recent gcc-4.0-20041024 snapshot results in "static declaration of 'meminfo' follows non-static declaration" build error. Since the "extern struct meminfo meminfo" definition is not required, this patch removes it to fix the build. Signed-off-by: George G. Davis
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Lennert Buytenhek authored
endian Patch from Lennert Buytenhek When you issue the mnfd opcode to negate a double, nwfpe is supposed to flip the most significant bit of your double, which is the sign bit. However, on big endian systems, it ended up flipping the most significant bit of the least significant sub-u32, which is one of the mantissa bits. On my system this was manifesting itself as sed regression tests failing, and ntpd/ntpdate consistently adjusting the system clock into the wrong direction. In pretty much all of NWFPE, doubles are stored in u64s and manipulations on those doubles are done by using u64 bitops. But for negation and fabs() it was poking into one of the sub-u32s directly instead of XORing the u64 with 0x8000000000000000 resp. ANDing with 0x7fffffffffffffff. Since on big-endian, 'native u64 order' means that the most significant byte (containing bits 63-56) is kept at the lowest byte address, the sign bit is the MSB of the first sub-u32, instead of the MSB of the second one as is the case on little endian. Signed-off-by: Lennert Buytenhek
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Guido Barzini authored
conditional on ARCH_H720X Patch from G N Barzini Currently under "System Type" you are always offered "h720x Implementations" regardless of the system type selected. The fix for this in the other Kconfig files seems to be enclose their contents conditional in 'if ARCH_FOO'/'endif'. This patch does that.
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Ben Dooks authored
Patch from Ben Dooks This patch fixes the following problems: - panic() in reset should be warning print, so that the system can then be soft-reset if this ever happens - arch_idle() can now be over-ridden for purposes of implementing dyanmic voltage scaling (DVS) or any other form of idling Signed-off-by: Ben Dooks
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Nicolas Pitre authored
Patch from Nicolas Pitre Signed-off-by: Nicolas Pitre
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Russell King authored
- Add iomd, keyboard and acornfb platform devices. - Convert rpckbd to use centrally registered platform device. - Convert acornfb to use a platform device.
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Russell King authored
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Linus Torvalds authored
m68k used to do this by hand, but it really ends up being needed for any environment that does cross-builds, so just do it unconditionally. This should mean that you never need to cross-build sparse or have any other hacks for checking a cross-built environment.
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Linus Torvalds authored
This way you can do a checking run on UP too - even if the locks don't actually _matter_, they should still be right, I'd hope.
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Linus Torvalds authored
In particular, a function that is called with a lock held, and releases it only to re-acquire it needs to be annotated as such, since otherwise sparse will complain about an unexpected unlock, even though "globally" the lock is constant over the call.
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Linus Torvalds authored
This annotates the scheduler routines for locking, telling what locks a function releases or acquires, allowing sparse to check the lock usage (and documenting it at the same time).
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- 30 Oct, 2004 13 commits
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Linus Torvalds authored
and atomic_dec_and_lock. This means that we now have all of the spinlock context counting infrastructure in place, and you can check-compile the kernel with sparse -Wcontext.
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Linus Torvalds authored
We rename the actual architecture-specific low-level implementation to have a prepended underscore: "_atomic_dec_and_lock()". This extra macro indirection is so that we can make the macro do the lock context counting. That will be the next patch.
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bk://gkernel.bkbits.net/libata-2.6Linus Torvalds authored
into ppc970.osdl.org:/home/torvalds/v2.6/linux
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Jeff Garzik authored
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Matthijs Melchior authored
- Add definition for SActive register - Add most interrupt sources to default interrupt mask - Write low 32 bits of FIS address to PxFB, where they belong - Set command active bit in PxSACT before setting command issue bit in PxCI - Announce Sub Class Code in driver info message [IDE, SATA or RAID] and additionally, from me [jgarzik]: - ignore ports-implemented bitmap for now; it's a write-only register that silly BIOSen initialize incorreclty Signed-off-by: Matthijs Melchior <mmelchior@xs4all.nl> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
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bk://bk.arm.linux.org.uk/linux-2.6-rmkLinus Torvalds authored
into ppc970.osdl.org:/home/torvalds/v2.6/linux
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Russell King authored
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Russell King authored
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Russell King authored
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Russell King authored
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Russell King authored
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Russell King authored
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Linus Torvalds authored
That's "cpu", not "cpy".
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