diff options
author | Ingo Molnar <mingo@elte.hu> | 2008-07-06 08:23:39 -0400 |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-07-06 08:23:39 -0400 |
commit | 68083e05d72d94f347293d8cc0067050ba904bfa (patch) | |
tree | 842e71365bd90866be7add181661a4039d891564 /arch/x86/Kconfig.debug | |
parent | 7baac8b91f9871ba8cb09af84de4ae1d86d07812 (diff) | |
parent | b7279469d66b55119784b8b9529c99c1955fe747 (diff) |
Merge commit 'v2.6.26-rc9' into cpus4096
Diffstat (limited to 'arch/x86/Kconfig.debug')
-rw-r--r-- | arch/x86/Kconfig.debug | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/arch/x86/Kconfig.debug b/arch/x86/Kconfig.debug index ac1e31ba4795..18363374d51a 100644 --- a/arch/x86/Kconfig.debug +++ b/arch/x86/Kconfig.debug | |||
@@ -6,15 +6,19 @@ config TRACE_IRQFLAGS_SUPPORT | |||
6 | source "lib/Kconfig.debug" | 6 | source "lib/Kconfig.debug" |
7 | 7 | ||
8 | config NONPROMISC_DEVMEM | 8 | config NONPROMISC_DEVMEM |
9 | bool "Disable promiscuous /dev/mem" | 9 | bool "Filter access to /dev/mem" |
10 | help | 10 | help |
11 | The /dev/mem file by default only allows userspace access to PCI | 11 | If this option is left off, you allow userspace access to all |
12 | space and the BIOS code and data regions. This is sufficient for | 12 | of memory, including kernel and userspace memory. Accidental |
13 | dosemu and X and all common users of /dev/mem. With this config | 13 | access to this is obviously disastrous, but specific access can |
14 | option, you allow userspace access to all of memory, including | 14 | be used by people debugging the kernel. |
15 | kernel and userspace memory. Accidental access to this is | 15 | |
16 | obviously disasterous, but specific access can be used by people | 16 | If this option is switched on, the /dev/mem file only allows |
17 | debugging the kernel. | 17 | userspace access to PCI space and the BIOS code and data regions. |
18 | This is sufficient for dosemu and X and all common users of | ||
19 | /dev/mem. | ||
20 | |||
21 | If in doubt, say Y. | ||
18 | 22 | ||
19 | config EARLY_PRINTK | 23 | config EARLY_PRINTK |
20 | bool "Early printk" if EMBEDDED | 24 | bool "Early printk" if EMBEDDED |