diff options
| author | Nicholas Piggin <npiggin@gmail.com> | 2021-01-30 23:08:26 +1000 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2021-02-09 00:02:10 +1100 |
| commit | 31d6490ccb2868530300381d8079026cd4a9f7ad (patch) | |
| tree | 786255e0fe98cda8232cbbe3ae1acb94421de648 /arch/powerpc/mm/fault.c | |
| parent | bf0e2374aa7b4f8b01fd59fcb0746a9b6b05326a (diff) | |
| download | lwn-31d6490ccb2868530300381d8079026cd4a9f7ad.tar.gz lwn-31d6490ccb2868530300381d8079026cd4a9f7ad.zip | |
powerpc/mm: Remove stale do_page_fault comment referring to SLB faults
SLB faults no longer call do_page_fault, this was removed somewhere
between 2.6.0 and 2.6.12.
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20210130130852.2952424-17-npiggin@gmail.com
Diffstat (limited to 'arch/powerpc/mm/fault.c')
| -rw-r--r-- | arch/powerpc/mm/fault.c | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/arch/powerpc/mm/fault.c b/arch/powerpc/mm/fault.c index fc2d9a27c649..fef92efad733 100644 --- a/arch/powerpc/mm/fault.c +++ b/arch/powerpc/mm/fault.c @@ -377,13 +377,11 @@ static void sanity_check_fault(bool is_write, bool is_user, /* * For 600- and 800-family processors, the error_code parameter is DSISR - * for a data fault, SRR1 for an instruction fault. For 400-family processors - * the error_code parameter is ESR for a data fault, 0 for an instruction - * fault. - * For 64-bit processors, the error_code parameter is - * - DSISR for a non-SLB data access fault, - * - SRR1 & 0x08000000 for a non-SLB instruction access fault - * - 0 any SLB fault. + * for a data fault, SRR1 for an instruction fault. + * For 400-family processors the error_code parameter is ESR for a data fault, + * 0 for an instruction fault. + * For 64-bit processors, the error_code parameter is DSISR for a data access + * fault, SRR1 & 0x08000000 for an instruction access fault. * * The return value is 0 if the fault was handled, or the signal * number if this is a kernel fault that can't be handled here. |