diff options
| author | Christophe Leroy <christophe.leroy@csgroup.eu> | 2024-08-20 19:23:49 +0200 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2024-08-30 21:29:53 +1000 |
| commit | bcf77a70c4ffc9b01044229de87f5b6f9c1f7913 (patch) | |
| tree | 1ac1e71cf49c45a89d39440c72bb6fc36ab7315c /arch | |
| parent | 1a736d98c84acd38e40fff69528ce7aaa55dd22d (diff) | |
powerpc/8xx: Allow setting DATA alignment even with STRICT_KERNEL_RWX
It is now possible to not pin kernel text with a 8Mbytes TLB, so
the alignment for STRICT_KERNEL_RWX can be relaxed.
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/d0d8b05012b392dd166cfd911f14ba2741ce7e1e.1724173828.git.christophe.leroy@csgroup.eu
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/powerpc/Kconfig | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index d7b09b064a8a..3c202785a146 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -853,8 +853,8 @@ config DATA_SHIFT_BOOL bool "Set custom data alignment" depends on ADVANCED_OPTIONS depends on STRICT_KERNEL_RWX || DEBUG_PAGEALLOC || KFENCE - depends on PPC_BOOK3S_32 || (PPC_8xx && !PIN_TLB_DATA && !STRICT_KERNEL_RWX) || \ - PPC_85xx + depends on (PPC_8xx && !PIN_TLB_DATA && (!STRICT_KERNEL_RWX || !PIN_TLB_TEXT)) || \ + PPC_BOOK3S_32 || PPC_85xx help This option allows you to set the kernel data alignment. When RAM is mapped by blocks, the alignment needs to fit the size and @@ -870,9 +870,9 @@ config DATA_SHIFT range 20 24 if (STRICT_KERNEL_RWX || DEBUG_PAGEALLOC || KFENCE) && PPC_85xx default 22 if STRICT_KERNEL_RWX && PPC_BOOK3S_32 default 18 if (DEBUG_PAGEALLOC || KFENCE) && PPC_BOOK3S_32 - default 23 if STRICT_KERNEL_RWX && PPC_8xx - default 23 if (DEBUG_PAGEALLOC || KFENCE) && PPC_8xx && PIN_TLB_DATA - default 19 if (DEBUG_PAGEALLOC || KFENCE) && PPC_8xx + default 23 if (STRICT_KERNEL_RWX || DEBUG_PAGEALLOC || KFENCE) && PPC_8xx && \ + (PIN_TLB_DATA || PIN_TLB_TEXT) + default 19 if (STRICT_KERNEL_RWX || DEBUG_PAGEALLOC || KFENCE) && PPC_8xx default 24 if STRICT_KERNEL_RWX && PPC_85xx default PAGE_SHIFT help |