[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [PATCH] x86: fix GET_STACK_END
AIUI the purpose of having the .if directive is to make GET_STACK_END work with any general purpose registers. The code as-is would produce the wrong result for r8. Fix it. Signed-off-by: Wei Liu <wei.liu2@xxxxxxxxxx> --- Cc: Jan Beulich <jbeulich@xxxxxxxx> Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx> --- xen/include/asm-x86/asm_defns.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/xen/include/asm-x86/asm_defns.h b/xen/include/asm-x86/asm_defns.h index d2d91ca1fa..6a2b833db6 100644 --- a/xen/include/asm-x86/asm_defns.h +++ b/xen/include/asm-x86/asm_defns.h @@ -120,7 +120,7 @@ void ret_from_intr(void); #define STACK_CPUINFO_FIELD(field) (1 - CPUINFO_sizeof + CPUINFO_##field) #define GET_STACK_END(reg) \ - .if .Lr##reg > 8; \ + .if .Lr##reg >= 8; \ movq $STACK_SIZE-1, %r##reg; \ .else; \ movl $STACK_SIZE-1, %e##reg; \ -- 2.11.0 _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxxx https://lists.xenproject.org/mailman/listinfo/xen-devel
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