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SubjectRe: [PATCH 0/4] MPX and Protection Keys Updates

* Dave Hansen <> wrote:

> Hi Ingo,
> Here are some small updates to Protection Keys documentation, and
> some small fixes to the selftests that we discussed.

Note that even with all the patches applied, a build warning remains:

gcc -m32 -o /home/mingo/tip/tools/testing/selftests/x86/protection_keys_32 -O2 -g -std=gnu99 -pthread -Wall -no-pie protection_keys.c -lrt -ldl -lm
protection_keys.c: In function ‘dumpit’:
protection_keys.c:419:3: warning: ignoring return value of ‘write’, declared with
attribute warn_unused_result [-Wunused-result]
write(1, buf, nr_read);



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