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Re: [PATCH] S390: Sync ptrace.h with kernel. [BZ #21539]
- From: Florian Weimer <fweimer at redhat dot com>
- To: Stefan Liebler <stli at linux dot vnet dot ibm dot com>, libc-alpha at sourceware dot org
- Date: Tue, 4 Jul 2017 11:41:25 +0200
- Subject: Re: [PATCH] S390: Sync ptrace.h with kernel. [BZ #21539]
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- References: <bda685cb-c5c4-ab27-47e0-1e95223275f9@linux.vnet.ibm.com> <20170613200522.GA14306@altlinux.org> <a70194fb-d96c-d22f-7aba-36be9685d421@linux.vnet.ibm.com> <a0750c84-154a-e24c-acfd-4899ce67a1ef@redhat.com> <7ce52670-669c-d9c0-dcf0-4d328bbeda79@linux.vnet.ibm.com>
On 07/04/2017 10:22 AM, Stefan Liebler wrote:
> + /* Ptrace request 12 is done with zero data argument:
> + -If the kernel has support for PTRACE_SINGLEBLOCK (then the kernel
> + header asm/ptrace.h defines this macro), the ptrace call is not allowed
> + to fail and has to continue the tracee until next taken branch.
I think this is still bogus. We can compile with newer kernel headers
than the host kernel, and this will cause the test to fail.
Thanks,
Florian