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Message-ID: <20061204145433.GT32059@skybase> Date: Mon, 4 Dec 2006 15:54:33 +0100 From: Martin Schwidefsky <schwidefsky@...ibm.com> To: linux-kernel@...r.kernel.org, heiko.carstens@...ibm.com Subject: [S390] Misaligned wait PSW at memory detection. From: Heiko Carstens <heiko.carstens@...ibm.com> [S390] Misaligned wait PSW at memory detection. If the memory detection code would ever reach the point where it would load the wait psw, it would generate a specification exception and the system would crash at ipl time. This is because of a misaligned wait psw. It needs to be on a double word boundary instead of a word boundary. Signed-off-by: Heiko Carstens <heiko.carstens@...ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@...ibm.com> --- arch/s390/kernel/head31.S | 3 ++- 1 files changed, 2 insertions(+), 1 deletion(-) diff -urpN linux-2.6/arch/s390/kernel/head31.S linux-2.6-patched/arch/s390/kernel/head31.S --- linux-2.6/arch/s390/kernel/head31.S 2006-11-29 22:57:37.000000000 +0100 +++ linux-2.6-patched/arch/s390/kernel/head31.S 2006-12-04 14:50:51.000000000 +0100 @@ -131,10 +131,11 @@ startup_continue: .long init_thread_union .Lpmask: .byte 0 -.align 8 + .align 8 .Lpcext:.long 0x00080000,0x80000000 .Lcr: .long 0x00 # place holder for cr0 + .align 8 .Lwaitsclp: .long 0x010a0000,0x80000000 + .Lsclph .Lrcp: - 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/
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