From: Christophe Leroy <christophe.leroy@c-s.fr> To: Benjamin Herrenschmidt <benh@kernel.crashing.org>, Paul Mackerras <paulus@samba.org>, Michael Ellerman <mpe@ellerman.id.au> Cc: linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org Subject: [PATCH] powerpc/ptdump: only enable PPC_CHECK_WX with STRICT_KERNEL_RWX Date: Tue, 14 Jan 2020 08:13:10 +0000 (UTC) [thread overview] Message-ID: <922d4939c735c6b52b4137838bcc066fffd4fc33.1578989545.git.christophe.leroy@c-s.fr> (raw) ptdump_check_wx() is called from mark_rodata_ro() which only exists when CONFIG_STRICT_KERNEL_RWX is selected. Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr> Fixes: 453d87f6a8ae ("powerpc/mm: Warn if W+X pages found on boot") --- arch/powerpc/Kconfig.debug | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/powerpc/Kconfig.debug b/arch/powerpc/Kconfig.debug index 4e1d39847462..0b063830eea8 100644 --- a/arch/powerpc/Kconfig.debug +++ b/arch/powerpc/Kconfig.debug @@ -371,7 +371,7 @@ config PPC_PTDUMP config PPC_DEBUG_WX bool "Warn on W+X mappings at boot" - depends on PPC_PTDUMP + depends on PPC_PTDUMP && STRICT_KERNEL_RWX help Generate a warning if any W+X mappings are found at boot. -- 2.13.3
WARNING: multiple messages have this Message-ID (diff)
From: Christophe Leroy <christophe.leroy@c-s.fr> To: Benjamin Herrenschmidt <benh@kernel.crashing.org>, Paul Mackerras <paulus@samba.org>, Michael Ellerman <mpe@ellerman.id.au> Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org Subject: [PATCH] powerpc/ptdump: only enable PPC_CHECK_WX with STRICT_KERNEL_RWX Date: Tue, 14 Jan 2020 08:13:10 +0000 (UTC) [thread overview] Message-ID: <922d4939c735c6b52b4137838bcc066fffd4fc33.1578989545.git.christophe.leroy@c-s.fr> (raw) ptdump_check_wx() is called from mark_rodata_ro() which only exists when CONFIG_STRICT_KERNEL_RWX is selected. Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr> Fixes: 453d87f6a8ae ("powerpc/mm: Warn if W+X pages found on boot") --- arch/powerpc/Kconfig.debug | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/powerpc/Kconfig.debug b/arch/powerpc/Kconfig.debug index 4e1d39847462..0b063830eea8 100644 --- a/arch/powerpc/Kconfig.debug +++ b/arch/powerpc/Kconfig.debug @@ -371,7 +371,7 @@ config PPC_PTDUMP config PPC_DEBUG_WX bool "Warn on W+X mappings at boot" - depends on PPC_PTDUMP + depends on PPC_PTDUMP && STRICT_KERNEL_RWX help Generate a warning if any W+X mappings are found at boot. -- 2.13.3
next reply other threads:[~2020-01-14 8:13 UTC|newest] Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-01-14 8:13 Christophe Leroy [this message] 2020-01-14 8:13 ` [PATCH] powerpc/ptdump: only enable PPC_CHECK_WX with STRICT_KERNEL_RWX Christophe Leroy 2020-01-29 5:17 ` Michael Ellerman
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