On Sun, 12 Oct 2014 12:08:37 +0200 Helge Deller <del...@gmx.de> wrote:
> Hi Linus, > > please pull one patch for the parisc architecture for kernel 3.18 from > git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux.git > parisc-3.18-1 > > This patch intentionally breaks the ABI on PARISC Linux! > > It assigns new numbers to SIGSTKFLT, SIGXCPU, SIGXFSZ and SIGSYS so that > those are below 32 and thus leaves us with 32 RT signals like other > Linux architectures (SIGRTMIN now becomes 32 instead of 37). > > Even if it breaks the ABI, it doesn't seem to have any visible impact on > existing userspace applications. I somehow doubt your kill command magically corrects its signal numbering table. Likewise what does gdb do given a core dump that died from one of those signals, and what does your shell report if you kill one that way. It seems to me your minimal set of binaries to swap to get it right is non-zero but not problematic (libc, kill, shells, top, gdb) ? I can however really only think of one app that actually *used* SIGXCPU, and that was to respawn itself to avoid annoying sysadmin set CPU limits anyway. Alan -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/