Re: [PATCH v11 35/40] kselftest/arm64: signal: Handle ZA signal context in core code

8 Feb 2022


      On Mon, Feb 07, 2022 at 06:01:49PM -0700, Shuah Khan wrote:
...
On 2/7/22 8:21 AM, Mark Brown wrote:
...
...

case ZA_MAGIC:


	if (flags & ZA_CTX)


		*err = "Multiple ZA_MAGIC";



Is this considered an error?
Yes.
...
...
@@ -165,6 +198,9 @@ bool validate_reserved(ucontext_t *uc, size_t resv_sz, char **err)
   	if (flags & SVE_CTX)
   		if (!validate_sve_context(sve, err))
   			return false;

if (flags & ZA_CTX)


	if (!validate_za_context(za, err))



...
If validate_za_context() finds an error, the above "Multiple ZA_MAGIC" will
be overwritten? Is that the intent?
Both are errors.

    