diff options
author | Ingo Molnar <mingo@elte.hu> | 2008-07-22 09:06:21 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-07-22 09:06:21 +0200 |
commit | 76c3bb15d6786a0b8da0ad0090e0c9c3672fc08b (patch) | |
tree | 3824e008db9d554229a70c85fbbc13238276bd7a /arch/x86/Kconfig.debug | |
parent | 7be42004065ce4df193aeef5befd26805267d0d9 (diff) | |
parent | 93ded9b8fd42abe2c3607097963d8de6ad9117eb (diff) |
Merge branch 'linus' into x86/x2apic
Diffstat (limited to 'arch/x86/Kconfig.debug')
-rw-r--r-- | arch/x86/Kconfig.debug | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/arch/x86/Kconfig.debug b/arch/x86/Kconfig.debug index ae36bfa814e..092f019e033 100644 --- a/arch/x86/Kconfig.debug +++ b/arch/x86/Kconfig.debug @@ -5,13 +5,15 @@ config TRACE_IRQFLAGS_SUPPORT source "lib/Kconfig.debug" -config NONPROMISC_DEVMEM +config STRICT_DEVMEM bool "Filter access to /dev/mem" help - If this option is left off, you allow userspace access to all + If this option is disabled, you allow userspace (root) access to all of memory, including kernel and userspace memory. Accidental access to this is obviously disastrous, but specific access can - be used by people debugging the kernel. + be used by people debugging the kernel. Note that with PAT support + enabled, even in this case there are restrictions on /dev/mem + use due to the cache aliasing requirements. If this option is switched on, the /dev/mem file only allows userspace access to PCI space and the BIOS code and data regions. @@ -287,7 +289,6 @@ config CPA_DEBUG config OPTIMIZE_INLINING bool "Allow gcc to uninline functions marked 'inline'" - depends on BROKEN help This option determines if the kernel forces gcc to inline the functions developers have marked 'inline'. Doing so takes away freedom from gcc to @@ -298,5 +299,7 @@ config OPTIMIZE_INLINING become the default in the future, until then this option is there to test gcc for this. + If unsure, say N. + endmenu |