[PATCH 2/9] arm64: Fix INVALID_HWID definition
From: catalin.marinas@arm.com (Catalin Marinas)
Date: 2014-08-26 15:57:16
On Fri, Aug 22, 2014 at 08:49:16PM +0100, Geoff Levand wrote:
quoted hunk ↗ jump to hunk
Change the preprocessor macro INVALID_HWID definition from ULONG_MAX to (~0) to allow INVALID_HWID to be used within assembly source files. Commit 3e98fdacc59bbbdbb659be1a144ccc48ed4860fa (arm64: kernel: make the pen of the secondary a 64-bit unsigned value) added the preprocessor macro INVALID_HWID to asm/cputype.h with it defined to be ULONG_MAX. Use of INVALID_HWID in an assembly source file that includes cputype.h will generate an assembler undefined symbol ULONG_MAX build error. The kernel does define a ULONG_MAX in kernel.h, but that file not setup to be included in assembly files. Signed-off-by: Geoff Levand <geoff@infradead.org> --- arch/arm64/include/asm/cputype.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)diff --git a/arch/arm64/include/asm/cputype.h b/arch/arm64/include/asm/cputype.h index 379d0b8..6b68380 100644 --- a/arch/arm64/include/asm/cputype.h +++ b/arch/arm64/include/asm/cputype.h@@ -16,7 +16,7 @@ #ifndef __ASM_CPUTYPE_H #define __ASM_CPUTYPE_H -#define INVALID_HWID ULONG_MAX +#define INVALID_HWID UL(~0)
Does it actually expand to ULONG_MAX? ~0 is an int. -- Catalin