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 PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Sat, 18 Oct 2014 14:23:35 -0400 (EDT) From: David Miller <davem@...emloft.net> To: mroos@...ux.ee Cc: iamjoonsoo.kim@....com, linux-kernel@...r.kernel.org, cl@...ux.com, penberg@...nel.org, rientjes@...gle.com, akpm@...ux-foundation.org, linux-mm@...ck.org, sparclinux@...r.kernel.org Subject: Re: unaligned accesses in SLAB etc. From: David Miller <davem@...emloft.net> Date: Sat, 18 Oct 2014 13:59:07 -0400 (EDT) > I don't want to define the array size of the fpregs save area > explicitly and thereby placing an artificial limit there. Nevermind, it seems we have a hard limit of 7 FPU save areas anyways. Meelis, please try this patch: diff --git a/arch/sparc/include/asm/thread_info_64.h b/arch/sparc/include/asm/thread_info_64.h index f85dc85..cc6275c 100644 --- a/arch/sparc/include/asm/thread_info_64.h +++ b/arch/sparc/include/asm/thread_info_64.h @@ -63,7 +63,8 @@ struct thread_info { struct pt_regs *kern_una_regs; unsigned int kern_una_insn; - unsigned long fpregs[0] __attribute__ ((aligned(64))); + unsigned long fpregs[(7 * 256) / sizeof(unsigned long)] + __attribute__ ((aligned(64))); }; #endif /* !(__ASSEMBLY__) */ -- 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