linux/arch/ppc/mm
Paul Mackerras bb0bb3b659 [PATCH] ppc32: Kill init on unhandled synchronous signals
This is a patch that I have had in my tree for ages.  If init causes
an exception that raises a signal, such as a SIGSEGV, SIGILL or
SIGFPE, and it hasn't registered a handler for it, we don't deliver
the signal, since init doesn't get any signals that it doesn't have a
handler for.  But that means that we just return to userland and
generate the same exception again immediately.  With this patch we
print a message and kill init in this situation.

This is very useful when you have a bug in the kernel that means that
init doesn't get as far as executing its first instruction. :)
Without this patch the system hangs when it gets to starting the
userland init; with it you at least get a message giving you a clue
about what has gone wrong.

Signed-off-by: Paul Mackerras <paulus@samba.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-09-10 10:15:11 -07:00
..
4xx_mmu.c [PATCH] ppc32: remove some unnecessary includes of bootmem.h 2005-06-25 16:24:27 -07:00
44x_mmu.c [PATCH] ppc32: remove some unnecessary includes of bootmem.h 2005-06-25 16:24:27 -07:00
fault.c [PATCH] ppc32: Kill init on unhandled synchronous signals 2005-09-10 10:15:11 -07:00
fsl_booke_mmu.c [PATCH] ppc32: remove some unnecessary includes of bootmem.h 2005-06-25 16:24:27 -07:00
hashtable.S kbuild: m68k,parisc,ppc,ppc64,s390,xtensa use generic asm-offsets.h support 2005-09-09 20:57:26 +02:00
init.c [PATCH] ppc32: defconfig for Marvell EV64360BP board 2005-09-05 00:05:59 -07:00
Makefile Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
mem_pieces.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
mem_pieces.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
mmu_context.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
mmu_decl.h [PATCH] ppc32: Clean up NUM_TLBCAMS usage for Freescale Book-E PPC's 2005-06-21 18:46:24 -07:00
pgtable.c [PATCH] ppc32: Clean up NUM_TLBCAMS usage for Freescale Book-E PPC's 2005-06-21 18:46:24 -07:00
ppc_mmu.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
tlb.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00