kernel.git/arch/sh/kernel, branch linux-2.6.21.y

sh: Kill bogus GCC4 symbol exports.

2007-03-28T08:24:47Z

__sdivsi3_i4i, __udiv_qrnnd_16, and __udivsi3_i4i don't exist outside of the ST compiler, so kill them off. This causes compile failures with other GCC4 compilers. Signed-off-by: Paul Mundt

sh: Fix bogus regs pointer in do_IRQ().

2007-03-14T04:03:35Z

SH-3 and SH-4 were trampling the register, and SH-2 wasn't even setting it in the first place. This ended up with some rather broken behaviour in the sysrq show_regs(). Signed-off-by: Paul Mundt

sh: Fix SH-3 cache entry_mask and way_size calculation.

2007-03-12T07:15:22Z

The code for performing the calculation was only in the SH-4 probe path, move it out to the common path so the other parts get this right too. Signed-off-by: Paul Mundt

sh: Revert lazy dcache writeback changes.

2007-03-05T10:46:47Z

These ended up causing too many problems on older parts, revert for now.. Signed-off-by: Paul Mundt

sh: Use L1_CACHE_BYTES for .data.cacheline_aligned.

2007-03-05T05:13:26Z

Previously this was using a hardcoded 32, use L1_CACHE_BYTES for cacheline alignment instead. Signed-off-by: Paul Mundt

sh: Fix kernel thread stack corruption with preempt.

2007-03-05T05:13:26Z

When I run a preemptive kernel-2.6.20 for SH7780, a created kthread(pdflush) can not exit by do_exit() in kernel_thread_helper. I think that the created kthread should have a room for 'struct pt_regs' space on the stack top, because __switch_to() will refer to the space as follows using 'regs = task_pt_regs(prev)' and next condition may be true. Signed-off-by: Hideo Saito Signed-off-by: Paul Mundt

sh: Fix sigmask trampling in signal delivery.

2007-03-05T05:13:25Z

There was a missing return in do_signal() that caused the saved sigmask to be written back after having successfully delivered the signal. Signed-off-by: Ryusuke Sakato Signed-off-by: Paul Mundt

sh: Clear UBC when not in use.

2007-03-05T05:13:25Z

This takes care of tearing down the UBC so it's not inadvertently left configured at the next context switch time. Failure to do this results in spurious SIGTRAPs in certain debug sequences. Signed-off-by: Stuart Menefy Signed-off-by: Paul Mundt

Storage class should be before const qualifier

2007-02-17T19:11:19Z

The C99 specification states in section 6.11.5: The placement of a storage-class specifier other than at the beginning of the declaration specifiers in a declaration is an obsolescent feature. Signed-off-by: Tobias Klauser Signed-off-by: Adrian Bunk

sh: rts7751r2d board updates.

2007-02-15T09:20:52Z

This tidies up some of the rts7751r2d mess and gets it booting again. Update the defconfig, too. Signed-off-by: Masayuki Hosokawa Signed-off-by: Paul Mundt