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| author | Christophe Leroy <christophe.leroy@csgroup.eu> | 2021-03-12 12:50:27 +0000 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2021-03-29 13:22:06 +1100 |
| commit | 5b5e5bc53def654c2dc437dd327f7a47c48d81d3 (patch) | |
| tree | 6a41746c4653b66f9e6db5fc78502c530c2b8a1b /arch/powerpc/kernel/head_8xx.S | |
| parent | a4719f5bb6d7dc220bffdc1b9f5ce5eaa5543581 (diff) | |
| download | lwn-5b5e5bc53def654c2dc437dd327f7a47c48d81d3.tar.gz lwn-5b5e5bc53def654c2dc437dd327f7a47c48d81d3.zip | |
powerpc/32: Add vmap_stack_overflow label inside the macro
For consistency, add in the macro the label used by exception prolog
to branch to stack overflow processing.
While at it, enclose the macro in #ifdef CONFIG_VMAP_STACK on the 8xx
as already done on book3s/32.
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/cf80056f5b946572ad98aea9d915dd25b23beda6.1615552867.git.christophe.leroy@csgroup.eu
Diffstat (limited to 'arch/powerpc/kernel/head_8xx.S')
| -rw-r--r-- | arch/powerpc/kernel/head_8xx.S | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/powerpc/kernel/head_8xx.S b/arch/powerpc/kernel/head_8xx.S index cdbfa9d41353..b63445c55f4d 100644 --- a/arch/powerpc/kernel/head_8xx.S +++ b/arch/powerpc/kernel/head_8xx.S @@ -338,8 +338,9 @@ DARFixed:/* Return from dcbx instruction bug workaround */ /* 0x300 is DataAccess exception, needed by bad_page_fault() */ EXC_XFER_LITE(0x300, handle_page_fault) -stack_overflow: +#ifdef CONFIG_VMAP_STACK vmap_stack_overflow_exception +#endif /* On the MPC8xx, these next four traps are used for development * support of breakpoints and such. Someday I will get around to |