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| author |   Will Deacon <will@kernel.org> | 2019-08-23 13:03:55 +0100 |
|---|---|---|
| committer | Will Deacon <will@kernel.org> | 2019-08-27 17:38:30 +0100 |
| commit | eb6a4dcce33925ac95023bbe5199474f8db40ba7 (patch) | |
| tree | c75346356d59dbfcd1cff2c8dfd3d74803c979e0 /arch/arm64/include/asm/sysreg.h | |
| parent | arm64: tlb: Ensure we execute an ISB following walk cache invalidation (diff) | |
| download | linux-dev-eb6a4dcce33925ac95023bbe5199474f8db40ba7.tar.xz linux-dev-eb6a4dcce33925ac95023bbe5199474f8db40ba7.zip | |
arm64: mm: Add ISB instruction to set_pgd()
Commit 6a4cbd63c25a ("Revert "arm64: Remove unnecessary ISBs from
set_{pte,pmd,pud}"") reintroduced ISB instructions to some of our
page table setter functions in light of a recent clarification to the
Armv8 architecture. Although 'set_pgd()' isn't currently used to update
a live page table, add the ISB instruction there too for consistency
with the other macros and to provide some future-proofing if we use it
on live tables in the future.
Reported-by: Mark Rutland <mark.rutland@arm.com>
Reviewed-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Will Deacon <will@kernel.org>
Diffstat (limited to '')
0 files changed, 0 insertions, 0 deletions