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Re: [PATCH]: Fix PR19061, gdb hangs/spins-on-cpu when debugging any program on Alpha

From: Simon Marchi <simon dot marchi at polymtl dot ca>
To: Uros Bizjak <ubizjak at gmail dot com>
Cc: Simon Marchi <simon dot marchi at ericsson dot com>, gdb-patches at sourceware dot org, Tobias Klausmann <klausman at schwarzvogel dot de>, rth at twiddle dot net
Date: Wed, 30 May 2018 14:39:44 -0400
Subject: Re: [PATCH]: Fix PR19061, gdb hangs/spins-on-cpu when debugging any program on Alpha
References: <CAFULd4ZGUgGneAb9m_Z=9HeKjjcXpv4mtp=uWbf98-XH43ptxA@mail.gmail.com> <56293ba8-f95b-5da1-af14-7500a0f8f892@ericsson.com> <CAFULd4b+d5y8NtTei+LhLxC6293aGnji=wG+HasXCc=4Wg61hw@mail.gmail.com>

On 2018-05-30 14:07, Uros Bizjak wrote:

Richard said that:

The hardware does not, but the linux kernel pretends.
IIRC the number of round-trips and flushes is supposed
to be lower doing it from within the kernel.

I don't really understand your response. The hardware does not havehardware breakpoints, but the linux kernel pretends that it has? Areyou actually talking about single step?


Simon

References:
- Re: [PATCH]: Fix PR19061, gdb hangs/spins-on-cpu when debugging any program on Alpha
  - From: Simon Marchi
- Re: [PATCH]: Fix PR19061, gdb hangs/spins-on-cpu when debugging any program on Alpha
  - From: Uros Bizjak

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