X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=arch%2Fx86%2FKconfig.debug;h=ac1e31ba4795cb0f067a280826da257432f93f33;hb=65b53e4cc90e59936733b3b95b9451d2ca47528d;hp=610aaecc19f820013ecfb9564f6c7b9762fdb82c;hpb=73e3e6481f56b3b5b618671a8d32b19a35f84316;p=linux-2.6 diff --git a/arch/x86/Kconfig.debug b/arch/x86/Kconfig.debug index 610aaecc19..ac1e31ba47 100644 --- a/arch/x86/Kconfig.debug +++ b/arch/x86/Kconfig.debug @@ -5,6 +5,17 @@ config TRACE_IRQFLAGS_SUPPORT source "lib/Kconfig.debug" +config NONPROMISC_DEVMEM + bool "Disable promiscuous /dev/mem" + help + The /dev/mem file by default only allows userspace access to PCI + space and the BIOS code and data regions. This is sufficient for + dosemu and X and all common users of /dev/mem. With this config + option, you allow userspace access to all of memory, including + kernel and userspace memory. Accidental access to this is + obviously disasterous, but specific access can be used by people + debugging the kernel. + config EARLY_PRINTK bool "Early printk" if EMBEDDED default y @@ -107,7 +118,6 @@ config DEBUG_NX_TEST config 4KSTACKS bool "Use 4Kb for kernel stacks instead of 8Kb" depends on X86_32 - default y help If you say Y here the kernel will use a 4Kb stacksize for the kernel stack attached to each process/thread. This facilitates @@ -245,4 +255,18 @@ config CPA_DEBUG help Do change_page_attr() self-tests every 30 seconds. +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 + do what it thinks is best, which is desirable for the gcc 3.x series of + compilers. The gcc 4.x series have a rewritten inlining algorithm and + disabling this option will generate a smaller kernel there. Hopefully + this algorithm is so good that allowing gcc4 to make the decision can + become the default in the future, until then this option is there to + test gcc for this. + endmenu +