+ do {\
+ struct __scrub { typeof(*p) c[n]; };\
The typeof(*p) suggestion doesn't work. It would require p to always be
a pointer type with an accurate (for memset) sizeof(*p). In general however
we'll memset some array described
+#define ARRAY_PREVENT_DSE(p, n)
Who says the Intel compiler doesn't need this?
There was a comment in include/linux/compiler-intel.h that it's not supported.
That's true for the ia64 version, but not for the x86 version which supports
gcc compatible inline assembler. So on x86 you
Roel Kluin writes:
Due to optimization A call to memset() may be removed as a dead store when
___^ lower-case a
the buffer is not used after its value is overwritten. The new function
secure_bzero() ensures a section of memory is padded with zeroes.
From the GCC
Due to optimization A call to memset() may be removed as a dead store when
the buffer is not used after its value is overwritten. The new function
secure_bzero() ensures a section of memory is padded with zeroes.
From the GCC manual, section 5.37:
If your assembler instructions access memory in
