https://github.com/torvalds/linux
This reverts commit 348a65cdcbbf243073ee39d1f7d4413081ad7eab. Incorrect page table manipulation that does not respect the ARM ARM recommended break-before-make sequence may lead to TLB conflicts. The contiguous PTE patch makes the system even more susceptible to such errors by changing the mapping from a single page to a contiguous range of pages. An additional TLB invalidation would reduce the risk window, however, the correct fix is to switch to a temporary swapper_pg_dir. Once the correct workaround is done, the reverted commit will be re-applied. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Reported-by: Jeremy Linton <jeremy.linton@arm.com>
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Revert "arm64: Mark kernel page ranges contiguous"
File | Mode | Size |
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Documentation | ||
arch | ||
block | ||
certs | ||
crypto | ||
drivers | ||
firmware | ||
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security | ||
sound | ||
tools | ||
usr | ||
virt | ||
.get_maintainer.ignore | -rw-r--r-- | 31 bytes |
.gitignore | -rw-r--r-- | 1.2 KB |
.mailmap | -rw-r--r-- | 5.4 KB |
COPYING | -rw-r--r-- | 18.3 KB |
CREDITS | -rw-r--r-- | 94.9 KB |
Kbuild | -rw-r--r-- | 2.6 KB |
Kconfig | -rw-r--r-- | 252 bytes |
MAINTAINERS | -rw-r--r-- | 328.3 KB |
Makefile | -rw-r--r-- | 53.5 KB |
README | -rw-r--r-- | 18.2 KB |
REPORTING-BUGS | -rw-r--r-- | 7.3 KB |
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