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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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394e3902c5
When we stop allocating percpu memory for not-possible CPUs we must not touch the percpu data for not-possible CPUs at all. The correct way of doing this is to test cpu_possible() or to use for_each_cpu(). This patch is a kernel-wide sweep of all instances of NR_CPUS. I found very few instances of this bug, if any. But the patch converts lots of open-coded test to use the preferred helper macros. Cc: Mikael Starvik <starvik@axis.com> Cc: David Howells <dhowells@redhat.com> Acked-by: Kyle McMartin <kyle@parisc-linux.org> Cc: Anton Blanchard <anton@samba.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Paul Mundt <lethal@linux-sh.org> Cc: "David S. Miller" <davem@davemloft.net> Cc: William Lee Irwin III <wli@holomorphy.com> Cc: Andi Kleen <ak@muc.de> Cc: Christian Zankel <chris@zankel.net> Cc: Philippe Elie <phil.el@wanadoo.fr> Cc: Nathan Scott <nathans@sgi.com> Cc: Jens Axboe <axboe@suse.de> Cc: Eric Dumazet <dada1@cosmosbay.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org> |
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arc | ||
au1000 | ||
boot | ||
cobalt | ||
configs | ||
ddb5xxx | ||
dec | ||
galileo-boards/ev96100 | ||
gt64120 | ||
ite-boards | ||
jazz | ||
jmr3927 | ||
kernel | ||
lasat | ||
lib | ||
lib-32 | ||
lib-64 | ||
math-emu | ||
mips-boards | ||
mm | ||
momentum | ||
oprofile | ||
pci | ||
philips/pnx8550 | ||
pmc-sierra | ||
qemu | ||
sgi-ip22 | ||
sgi-ip27 | ||
sgi-ip32 | ||
sibyte | ||
sni | ||
tx4927 | ||
tx4938 | ||
vr41xx | ||
defconfig | ||
Kconfig | ||
Kconfig.debug | ||
Makefile |