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path: root/arch/tile/include/asm/switch_to.h
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2018-03-16arch: remove tile portArnd Bergmann1-77/+0
The Tile architecture port was added by Chris Metcalf in 2010, and maintained until early 2018 when he orphaned it due to his departure from Mellanox, and nobody else stepped up to maintain it. The product line is still around in the form of the BlueField SoC, but no longer uses the Tile architecture. There are also still products for sale with Tile-GX SoCs, notably the Mikrotik CCR router family. The products all use old (linux-3.3) kernels with lots of patches and won't be upgraded by their manufacturers. There have been efforts to port both OpenWRT and Debian to these, but both projects have stalled and are very unlikely to be continued in the future. Given that we are reasonably sure that nobody is still using the port with an upstream kernel any more, it seems better to remove it now while the port is in a good shape than to let it bitrot for a few years first. Cc: Chris Metcalf <chris.d.metcalf@gmail.com> Cc: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de> Link: http://www.mellanox.com/page/npu_multicore_overview Link: https://jenkins.debian.net/view/rebootstrap/job/rebootstrap_tilegx_gcc7/ Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2015-08-08tile: Reorganize _switch_to()Chris Metcalf1-0/+2
Move the simulator bits into finish_arch_post_lock_switch() and properly call __switch_to() from _switch_to(). Signed-off-by: Chris Metcalf <cmetcalf@ezchip.com> Cc: <efault@gmx.de> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/1438783412-10990-1-git-send-email-cmetcalf@ezchip.com [ Made it a delta to: fe363adb9225 ("sched, tile: Remove finish_arch_switch"). ] Signed-off-by: Ingo Molnar <mingo@kernel.org>
2015-08-04sched, tile: Remove finish_arch_switchChris Metcalf1-7/+3
Move the simulator bits into switch_to() and use finish_arch_post_lock_switch() for the homecache migration bits. Signed-off-by: Chris Metcalf <cmetcalf@ezchip.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mike Galbraith <efault@gmx.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: linux-kernel@vger.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
2012-10-20tile: support GENERIC_KERNEL_THREAD and GENERIC_KERNEL_EXECVEChris Metcalf1-1/+4
Also provide an optimized current_pt_regs() while we're at it. Signed-off-by: Chris Metcalf <cmetcalf@tilera.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-03-28Disintegrate asm/system.h for TileDavid Howells1-0/+76
Disintegrate asm/system.h for Tile. Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Chris Metcalf <cmetcalf@tilera.com>