Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
[PATCH] broken inline asm on s390 (misuse of labels)
use of explicit labels in inline asm is a Bad Idea(tm), since gcc can
decide to inline the function in several places. Fixed by use of 1f/f:
instead of .Lfitsin/.Lfitsin:
Signed-off-by: Al Viro <viro@parcelfarce.linux.theplanet.co.uk>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
authored by Al Viro and committed by Linus Torvalds 0cbdff4f a828b8e4
+4
-4
arch/s390/kernel/cpcmd.c
+4
-4
arch/s390/kernel/cpcmd.c
···
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"lra 3,0(%4)\n"
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"lr 5,%5\n"
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"diag 2,4,0x8\n"
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-
"brc 8, .Litfits\n"
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+
"brc 8, 1f\n"
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"ar 5, %5\n"
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-
".Litfits: \n"
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+
"1: \n"
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"lr %0,4\n"
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"lr %1,5\n"
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: "=d" (return_code), "=d" (return_len)
···
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"sam31\n"
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"diag 2,4,0x8\n"
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"sam64\n"
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-
"brc 8, .Litfits\n"
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+
"brc 8, 1f\n"
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"agr 5, %5\n"
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-
".Litfits: \n"
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+
"1: \n"
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"lgr %0,4\n"
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"lgr %1,5\n"
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: "=d" (return_code), "=d" (return_len)