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| author | Nicholas Piggin <npiggin@gmail.com> | 2020-09-14 14:52:17 +1000 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2020-09-16 12:24:37 +1000 |
| commit | 66acd46080bd9e5ad2be4b0eb1d498d5145d058e (patch) | |
| tree | 8587b1bb6eb4efab8b2636f1f07093d50204d0d5 /lib/fdt_rw.c | |
| parent | d53c3dfb23c45f7d4f910c3a3ca84bf0a99c6143 (diff) | |
| download | kernel_replicant_linux-66acd46080bd9e5ad2be4b0eb1d498d5145d058e.tar.gz kernel_replicant_linux-66acd46080bd9e5ad2be4b0eb1d498d5145d058e.tar.bz2 kernel_replicant_linux-66acd46080bd9e5ad2be4b0eb1d498d5145d058e.zip | |
powerpc: select ARCH_WANT_IRQS_OFF_ACTIVATE_MM
powerpc uses IPIs in some situations to switch a kernel thread away
from a lazy tlb mm, which is subject to the TLB flushing race
described in the changelog introducing ARCH_WANT_IRQS_OFF_ACTIVATE_MM.
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200914045219.3736466-3-npiggin@gmail.com
Diffstat (limited to 'lib/fdt_rw.c')
0 files changed, 0 insertions, 0 deletions