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| author | Christophe Leroy <christophe.leroy@csgroup.eu> | 2021-07-08 19:49:43 +0300 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2021-08-25 06:35:48 +0300 |
| commit | e084728393a58e7fdafeee2e6b20e0faff09b557 (patch) | |
| tree | e5ceb3cfec3a45b08719a0c9d032e889bd1369d2 /arch/powerpc/Kconfig.debug | |
| parent | cf98d2b6eea6a1b2c43f85680ad58fcc3ea9496b (diff) | |
| download | linux-e084728393a58e7fdafeee2e6b20e0faff09b557.tar.xz | |
powerpc/ptdump: Convert powerpc to GENERIC_PTDUMP
This patch converts powerpc to the generic PTDUMP implementation.
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/03166d569526be70214fe9370a7bad219d2f41c8.1625762907.git.christophe.leroy@csgroup.eu
Diffstat (limited to 'arch/powerpc/Kconfig.debug')
| -rw-r--r-- | arch/powerpc/Kconfig.debug | 30 |
1 files changed, 0 insertions, 30 deletions
diff --git a/arch/powerpc/Kconfig.debug b/arch/powerpc/Kconfig.debug index 205cd77f321f..192f0ed0097f 100644 --- a/arch/powerpc/Kconfig.debug +++ b/arch/powerpc/Kconfig.debug @@ -365,36 +365,6 @@ config FAIL_IOMMU If you are unsure, say N. -config PPC_PTDUMP - bool "Export kernel pagetable layout to userspace via debugfs" - depends on DEBUG_KERNEL && DEBUG_FS - help - This option exports the state of the kernel pagetables to a - debugfs file. This is only useful for kernel developers who are - working in architecture specific areas of the kernel - probably - not a good idea to enable this feature in a production kernel. - - If you are unsure, say N. - -config PPC_DEBUG_WX - bool "Warn on W+X mappings at boot" - depends on PPC_PTDUMP && STRICT_KERNEL_RWX - help - Generate a warning if any W+X mappings are found at boot. - - This is useful for discovering cases where the kernel is leaving - W+X mappings after applying NX, as such mappings are a security risk. - - Note that even if the check fails, your kernel is possibly - still fine, as W+X mappings are not a security hole in - themselves, what they do is that they make the exploitation - of other unfixed kernel bugs easier. - - There is no runtime or memory usage effect of this option - once the kernel has booted up - it's a one time check. - - If in doubt, say "Y". - config PPC_FAST_ENDIAN_SWITCH bool "Deprecated fast endian-switch syscall" depends on DEBUG_KERNEL && PPC_BOOK3S_64 |