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Commit f1c7ea26 authored by Heiko Carstens's avatar Heiko Carstens Committed by Martin Schwidefsky
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s390/extmem: add missing memory clobber to dcss_set_subcodes 



Add the missing memory clobber / barrier to dcss_set_subcodes() to
tell the compiler that the inline assembly accesses memory (name
string).

Signed-off-by: default avatarHeiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: default avatarMartin Schwidefsky <schwidefsky@de.ibm.com>
parent 86fa7087

arch/s390/mm/extmem.c

+1 −1
Original line number Original line Diff line number Diff line
@@ -122,7 +122,7 @@ dcss_set_subcodes(void) 
		"1:	la	%2,3\n"

		"1:	la	%2,3\n"

		"2:\n"

		"2:\n"

		EX_TABLE(0b, 1b)

		EX_TABLE(0b, 1b)

		: "+d" (rx), "+d" (ry), "=d" (rc) : : "cc");

		: "+d" (rx), "+d" (ry), "=d" (rc) : : "cc", "memory");





	kfree(name);

	kfree(name);

	/* Diag x'64' new subcodes are supported, set to new subcodes */

	/* Diag x'64' new subcodes are supported, set to new subcodes */