diff options
| author | Christophe Leroy <christophe.leroy@csgroup.eu> | 2020-12-09 08:29:23 +0300 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2020-12-09 15:48:13 +0300 |
| commit | 3dc12dfe74300febc568c3b530c0f9bee01f2821 (patch) | |
| tree | 42783ff7861836cf359ab4d83181cb01da5fce72 /arch/powerpc/include/asm/nohash/32 | |
| parent | 5250d026d241febfaf226d26cabe528fc478e225 (diff) | |
| download | linux-3dc12dfe74300febc568c3b530c0f9bee01f2821.tar.xz | |
powerpc/mm: Move the WARN() out of bad_kuap_fault()
In order to prepare the removal of calls to
search_exception_tables() on the fast path, move the
WARN() out of bad_kuap_fault().
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/9501311014bd6507e04b27a0c3035186ccf65cd5.1607491748.git.christophe.leroy@csgroup.eu
Diffstat (limited to 'arch/powerpc/include/asm/nohash/32')
| -rw-r--r-- | arch/powerpc/include/asm/nohash/32/kup-8xx.h | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/arch/powerpc/include/asm/nohash/32/kup-8xx.h b/arch/powerpc/include/asm/nohash/32/kup-8xx.h index 567cdc557402..17a4a616436f 100644 --- a/arch/powerpc/include/asm/nohash/32/kup-8xx.h +++ b/arch/powerpc/include/asm/nohash/32/kup-8xx.h @@ -63,8 +63,7 @@ static inline void restore_user_access(unsigned long flags) static inline bool bad_kuap_fault(struct pt_regs *regs, unsigned long address, bool is_write) { - return WARN(!((regs->kuap ^ MD_APG_KUAP) & 0xff000000), - "Bug: fault blocked by AP register !"); + return !((regs->kuap ^ MD_APG_KUAP) & 0xff000000); } #endif /* !__ASSEMBLY__ */ |