lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Mon, 15 Oct 2007 00:28:05 +0200 From: Arnd Bergmann <arnd@...db.de> To: linuxppc-dev@...abs.org Cc: Anton Blanchard <anton@...ba.org>, mingo@...e.hu, tglx@...utronix.de, linux-kernel@...r.kernel.org Subject: Re: [PATCH] Hook compat_sys_nanosleep up to high res timer code On Sunday 14 October 2007, Anton Blanchard wrote: > Now we have high res timers on ppc64 I thought Id test them. It turns > out compat_sys_nanosleep hasnt been converted to the hrtimer code and so > is limited to HZ resolution. > > The following patch makes compat_sys_nanosleep call hrtimer_nanosleep > and uses compat_alloc_user_space to avoid setting KERNEL_DS. > > Signed-off-by: Anton Blanchard <anton@...ba.org> The code looks correct, but I think it would be nicer to change hrtimer_nanosleep to take a kernel pointer and have all three callers (common_nsleep, sys_nanosleep and compat_sys_nanosleep) do the copy_to_user/put_compat_timespec in the caller. This would also make it possible to get rid of set_fs() in compat_sys_clock_nanosleep(). Arnd <>< - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists