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James Clarke 34fc0e89a2 sparc64: Fix regression in non-hypervisor TLB flush xcall 
commit d3c976c14a upstream.

Previously, %g2 would end up with the value PAGE_SIZE, but after the
commit mentioned below it ends up with the value 1 due to being reused
for a different purpose. We need it to be PAGE_SIZE as we use it to step
through pages in our demap loop, otherwise we set different flags in the
low 12 bits of the address written to, thereby doing things other than a
nucleus page flush.

Fixes: a74ad5e660 ("sparc64: Handle extremely large kernel TLB range flushes more gracefully.")
Reported-by: Meelis Roos <mroos@linux.ee>
Tested-by: Meelis Roos <mroos@linux.ee>
Signed-off-by: James Clarke <jrtc27@jrtc27.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 		2019-06-09 09:18:13 +02:00
..
boot License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
configs sparc64: vcc: Enable VCC module in linux 2017-08-15 21:33:50 -07:00
crypto crypto: hash - annotate algorithms taking optional key 2018-02-16 20:23:00 +01:00
include sparc64: Make corrupted user stacks more debuggable. 2019-05-16 19:42:25 +02:00
kernel sparc64: Make corrupted user stacks more debuggable. 2019-05-16 19:42:25 +02:00
lib sparc64: repair calling incorrect hweight function from stubs 2018-01-02 20:31:13 +01:00
math-emu License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mm sparc64: Fix regression in non-hypervisor TLB flush xcall 2019-06-09 09:18:13 +02:00
net bpf, sparc: fix usage of wrong reg for load_skb_regs after call 2017-12-25 14:26:32 +01:00
oprofile
…
power License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
prom License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
Kbuild
…
Kconfig Revert commit 1a8b6d76dc ("net:add one common config...") 2017-10-09 07:43:06 -07:00
Kconfig.debug License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00