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| author |   Hari Bathini <hbathini@linux.ibm.com> | 2021-07-14 18:17:58 +0530 |
|---|---|---|
| committer |   Michael Ellerman <mpe@ellerman.id.au> | 2021-07-26 20:38:51 +1000 |
| commit | 8119cefd9a29b71997e62b762932d23499ba4896 (patch) | |
| tree | 8e26180883e80194f962beec5988ec394f335173 /arch/powerpc/mm/book3s64/pgtable.c | |
| parent | Merge branch 'fixes' into next (diff) | |
| download | linux-dev-8119cefd9a29b71997e62b762932d23499ba4896.tar.xz linux-dev-8119cefd9a29b71997e62b762932d23499ba4896.zip | |
powerpc/kexec: blacklist functions called in real mode for kprobe
As kprobe does not handle events happening in real mode, blacklist the
functions that only get called in real mode or in kexec sequence with
MMU turned off.
Signed-off-by: Hari Bathini <hbathini@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/162626687834.155313.4692863392927831843.stgit@hbathini-workstation.ibm.com
Diffstat (limited to 'arch/powerpc/mm/book3s64/pgtable.c')
| -rw-r--r-- | arch/powerpc/mm/book3s64/pgtable.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/powerpc/mm/book3s64/pgtable.c b/arch/powerpc/mm/book3s64/pgtable.c index 9ffa65074cb0..300099de553b 100644 --- a/arch/powerpc/mm/book3s64/pgtable.c +++ b/arch/powerpc/mm/book3s64/pgtable.c @@ -172,8 +172,8 @@ pmd_t pmd_modify(pmd_t pmd, pgprot_t newprot) } #endif /* CONFIG_TRANSPARENT_HUGEPAGE */ -/* For use by kexec */ -void mmu_cleanup_all(void) +/* For use by kexec, called with MMU off */ +notrace void mmu_cleanup_all(void) { if (radix_enabled()) radix__mmu_cleanup_all(); |