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2018-03-16arch: remove tile portArnd Bergmann1-527/+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>
2016-01-04tile: define a macro ktext_writable_addr to get writable kernel text addressZhigang Lu1-2/+2
It is used by kgdb, ftrace, kprobe and jump label, so we factor this out into a helper routine. Reviewed-by: Chris Metcalf <cmetcalf@ezchip.com> Signed-off-by: Zhigang Lu <zlu@ezchip.com> Signed-off-by: Chris Metcalf <cmetcalf@ezchip.com>
2014-11-11tile: Use the more common pr_warn instead of pr_warningJoe Perches1-2/+1
And other message logging neatening. Other miscellanea: o coalesce formats o realign arguments o standardize a couple of macros o use __func__ instead of embedding the function name Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
2013-08-30tile: support kprobes on tilegxTony Lu1-0/+528
This change includes support for Kprobes, Jprobes and Return Probes. Reviewed-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> Signed-off-by: Tony Lu <zlu@tilera.com> Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>