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| author | Michael Ellerman <mpe@ellerman.id.au> | 2020-11-19 15:43:53 +0300 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2020-11-19 15:47:20 +0300 |
| commit | 178d52c6e89c38d0553b0ac8b99927b11eb995b0 (patch) | |
| tree | 5be07736829467698d8a7f4ed691c8d9b0487db1 /arch/powerpc/include/asm/book3s/64/kup-radix.h | |
| parent | 9a32a7e78bd0cd9a9b6332cbdc345ee5ffd0c5de (diff) | |
| download | linux-178d52c6e89c38d0553b0ac8b99927b11eb995b0.tar.xz | |
powerpc: Only include kup-radix.h for 64-bit Book3S
In kup.h we currently include kup-radix.h for all 64-bit builds, which
includes Book3S and Book3E. The latter doesn't make sense, Book3E
never uses the Radix MMU.
This has worked up until now, but almost by accident, and the recent
uaccess flush changes introduced a build breakage on Book3E because of
the bad structure of the code.
So disentangle things so that we only use kup-radix.h for Book3S. This
requires some more stubs in kup.h and fixing an include in
syscall_64.c.
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/include/asm/book3s/64/kup-radix.h')
| -rw-r--r-- | arch/powerpc/include/asm/book3s/64/kup-radix.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/powerpc/include/asm/book3s/64/kup-radix.h b/arch/powerpc/include/asm/book3s/64/kup-radix.h index 97c2394e7dea..28716e2f13e3 100644 --- a/arch/powerpc/include/asm/book3s/64/kup-radix.h +++ b/arch/powerpc/include/asm/book3s/64/kup-radix.h @@ -27,6 +27,7 @@ #endif .endm +#ifdef CONFIG_PPC_KUAP .macro kuap_check_amr gpr1, gpr2 #ifdef CONFIG_PPC_KUAP_DEBUG BEGIN_MMU_FTR_SECTION_NESTED(67) @@ -38,6 +39,7 @@ END_MMU_FTR_SECTION_NESTED_IFSET(MMU_FTR_RADIX_KUAP, 67) #endif .endm +#endif .macro kuap_save_amr_and_lock gpr1, gpr2, use_cr, msr_pr_cr #ifdef CONFIG_PPC_KUAP @@ -148,8 +150,6 @@ static inline unsigned long kuap_get_and_check_amr(void) return 0UL; } -static inline void kuap_check_amr(void) { } - static inline unsigned long get_kuap(void) { return AMR_KUAP_BLOCKED; |