Commit 3c8e5105 authored Jun 11, 2015 by Michael Holzheu Committed by Martin Schwidefsky Jun 25, 2015

s390/kdump: fix REGSET_VX_LOW vector register ELF notes



The REGSET_VX_LOW ELF notes should contain the lower 64 bit halfes of the
first sixteen 128 bit vector registers. Unfortunately currently we copy
the upper halfes.

Fix this and correctly copy the lower halfes.

Fixes: a62bc073 ("s390/kdump: add support for vector extension")
Cc: stable@vger.kernel.org # 3.18+
Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

parent b035b60d

arch/s390/kernel/crash_dump.c

+1 −1

Original line number	Original line	Diff line number	Diff line
	@@ -416,7 +416,7 @@ static void nt_s390_vx_low(void ptr, __vector128 *vx_regs)
	ptr += len;		ptr += len;
	/* Copy lower halves of SIMD registers 0-15 */		/* Copy lower halves of SIMD registers 0-15 */
	for (i = 0; i < 16; i++) {		for (i = 0; i < 16; i++) {
	memcpy(ptr, &vx_regs[i], 8);		memcpy(ptr, &vx_regs[i].u[2], 8);
	ptr += 8;		ptr += 8;
	}		}
	return ptr;		return ptr;