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2008-09-24MN10300: Make sched_clock() report time since bootDavid Howells1-11/+41
Make sched_clock() report time since boot rather than time since last timer interrupt. Make sched_clock() expand and scale the 32-bit TSC value running at IOCLK speed (~33MHz) to a 64-bit nanosecond counter, using cnt32_to_63() acquired from the ARM arch and without using slow DIVU instructions every call. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-08-23removed unused #include <linux/version.h>'sAdrian Bunk1-1/+0
This patch lets the files using linux/version.h match the files that #include it. Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-08-04mn10300: Fix up __bug_table handling in module loader.Paul Mundt1-1/+3
Platforms that are using GENERIC_BUG must call in to module_bug_finalize()/module_bug_cleanup() in order to scan modules with their own __bug_table sections that are otherwise unaccounted. Signed-off-by: Paul Mundt <lethal@linux-sh.org> Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-08-01MN10300: Wire up new system callsDavid Howells1-0/+6
Wire up system calls added in the last merge window for the MN10300 arch. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-26mn10300: use the common ascii hex helpersHarvey Harrison1-62/+46
Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Acked-by: David Howells <dhowells@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-20MN10300: Fix MN10300's serial port driver to get at its tty_structDavid Howells1-1/+1
Fix MN10300's serial port driver to get at its tty_struct as this moved from struct uart_info into struct tty_port in patch: Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-04mn10300: provide __ucmpdi2() for MN10300David Howells1-0/+2
Provide __ucmpdi2() for MN10300 so that allmodconfig can be built. Signed-off-by: David Howells <dhowells@redhat.com> Cc: Adrian Bunk <bunk@stusta.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-04mn10300: export certain arch symbols required to build allmodconfigDavid Howells2-0/+4
Export kernel_thread() and empty_zero_page so that allmodconfig can be built for MN10300. Signed-off-by: David Howells <dhowells@redhat.com> Cc: Adrian Bunk <bunk@stusta.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-06-16MN10300: Kill linux/a.out.h inclusionsDavid Howells2-2/+0
Kill linux/a.out.h inclusions in the MN10300 arch code. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-05-16[PATCH] take init_files to fs/file.cAl Viro1-1/+0
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2008-05-03unified (weak) sys_pipe implementationUlrich Drepper1-17/+0
This replaces the duplicated arch-specific versions of "sys_pipe()" with one unified implementation. This removes almost 250 lines of duplicated code. It's marked __weak, so that *if* an architecture wants to override the default implementation it can do so by simply having its own replacement version, since many architectures use alternate calling conventions for the 'pipe()' system call for legacy reasons (ie traditional UNIX implementations often return the two file descriptors in registers) I still haven't changed the cris version even though Linus says the BKL isn't needed. The arch maintainer can easily do it if there are really no obstacles. Signed-off-by: Ulrich Drepper <drepper@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-04-29mn10300: use kbuild.h instead of defining macros in asm-offsets.cChristoph Lameter1-8/+1
Signed-off-by: Christoph Lameter <clameter@sgi.com> Cc: David Howells <dhowells@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-04-17Generic semaphore implementationMatthew Wilcox2-150/+1
Semaphores are no longer performance-critical, so a generic C implementation is better for maintainability, debuggability and extensibility. Thanks to Peter Zijlstra for fixing the lockdep warning. Thanks to Harvey Harrison for pointing out that the unlikely() was unnecessary. Signed-off-by: Matthew Wilcox <willy@linux.intel.com> Acked-by: Ingo Molnar <mingo@elte.hu>
2008-02-19MN10300: Make the kernel jump into gdbstub on a BUGDavid Howells1-1/+1
Make the kernel jump into gdbstub (if configured) on a BUG with the register set from the BUG rather than interpolating another illegal instruction and leaving gdbstub's idea of the process counter in unsupported_syscall() where the original BUG was detected. With this patch, gdbstub reports a SIGABRT to the compiler and reports the program counter at the original BUG, allowing the execution state at the time of the BUG to be examined with GDB. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-19MN10300: Introduce barriers to replace removed volatiles in gdbstubDavid Howells1-0/+2
Introduce into the MN10300 gdbstub a couple of barrier() calls to replace the removed volatility of the input/output index variables for the Rx ring buffer. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-19MN10300: Call update_process_times() outside of the xtime_lockDavid Howells1-1/+3
Call update_process_times() outside of the xtime_lock. Somewhere somewhere inside one of the functions called by that, xtime_lock is readlocked, which ends up in a deadlock situation. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-08mn10300: add the MN10300/AM33 architecture to the kernelDavid Howells42-0/+10913
Add architecture support for the MN10300/AM33 CPUs produced by MEI to the kernel. This patch also adds board support for the ASB2303 with the ASB2308 daughter board, and the ASB2305. The only processor supported is the MN103E010, which is an AM33v2 core plus on-chip devices. [akpm@linux-foundation.org: nuke cvs control strings] Signed-off-by: Masakazu Urade <urade.masakazu@jp.panasonic.com> Signed-off-by: Koichi Yasutake <yasutake.koichi@jp.panasonic.com> Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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