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| author | Christophe Leroy <christophe.leroy@csgroup.eu> | 2022-01-31 07:15:12 +0000 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2022-02-03 22:38:13 +1100 |
| commit | 9872cbfb4558bf68219c5a8a65fd5c29b593323d (patch) | |
| tree | bb01dd53feb6f7e69bb493ef799795fa36f9c476 | |
| parent | dd75080aa8409ce10d50fb58981c6b59bf8707d3 (diff) | |
| download | linux-9872cbfb4558bf68219c5a8a65fd5c29b593323d.tar.bz2 | |
powerpc/603: Remove outdated comment
Since commit 84de6ab0e904 ("powerpc/603: don't handle PAGE_ACCESSED
in TLB miss handlers.") page table is not updated anymore by
TLB miss handlers.
Remove the comment.
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/38b1ffefd2146fa56bf8aa605d476ad9736bbb37.1643613296.git.christophe.leroy@csgroup.eu
| -rw-r--r-- | arch/powerpc/kernel/head_book3s_32.S | 8 |
1 files changed, 0 insertions, 8 deletions
diff --git a/arch/powerpc/kernel/head_book3s_32.S b/arch/powerpc/kernel/head_book3s_32.S index fa84744d6b24..7e27b44c1d89 100644 --- a/arch/powerpc/kernel/head_book3s_32.S +++ b/arch/powerpc/kernel/head_book3s_32.S @@ -504,10 +504,6 @@ DataLoadTLBMiss: lwz r0,0(r2) /* get linux-style pte */ andc. r1,r1,r0 /* check access & ~permission */ bne- DataAddressInvalid /* return if access not permitted */ - /* - * NOTE! We are assuming this is not an SMP system, otherwise - * we would need to update the pte atomically with lwarx/stwcx. - */ /* Convert linux-style PTE to low word of PPC-style PTE */ rlwinm r1,r0,32-9,30,30 /* _PAGE_RW -> PP msb */ rlwimi r0,r0,32-1,30,30 /* _PAGE_USER -> PP msb */ @@ -586,10 +582,6 @@ DataStoreTLBMiss: lwz r0,0(r2) /* get linux-style pte */ andc. r1,r1,r0 /* check access & ~permission */ bne- DataAddressInvalid /* return if access not permitted */ - /* - * NOTE! We are assuming this is not an SMP system, otherwise - * we would need to update the pte atomically with lwarx/stwcx. - */ /* Convert linux-style PTE to low word of PPC-style PTE */ rlwimi r0,r0,32-2,31,31 /* _PAGE_USER -> PP lsb */ li r1,0xe06 /* clear out reserved bits & PP msb */ |