Bryan Cantrill
👤 PersonAppearances Over Time
Podcast Appearances
And, um, but it's so, cause you mentioned that like when you're stuck, write a debugging, write debugging tooling. I definitely agree with that. But when you're stuck, you also write the, the,
And, um, but it's so, cause you mentioned that like when you're stuck, write a debugging, write debugging tooling. I definitely agree with that. But when you're stuck, you also write the, the,
Robert's cursive is remarkable. It's fair to say. It gives me great... Robert, there have been times when I have asked you to go back and read your own cursive, and even you can struggle. It is beautiful, but it's just like... It's got this very... Obviously, you've seen plenty of Robert's cursive. I feel like I'm reading a letter that Alexander Hamilton wrote to me. You know what I mean?
Robert's cursive is remarkable. It's fair to say. It gives me great... Robert, there have been times when I have asked you to go back and read your own cursive, and even you can struggle. It is beautiful, but it's just like... It's got this very... Obviously, you've seen plenty of Robert's cursive. I feel like I'm reading a letter that Alexander Hamilton wrote to me. You know what I mean?
It's got like, it's got that kind of like 18th century vibe to it, which is like, I, this is, it's gorgeous, but I just can't make it out. So, Robert, this was all, I mean, kind of as the years go by at Joy-In, I mean, you're going into, like, kind of rappelling down into deeper and deeper caverns.
It's got like, it's got that kind of like 18th century vibe to it, which is like, I, this is, it's gorgeous, but I just can't make it out. So, Robert, this was all, I mean, kind of as the years go by at Joy-In, I mean, you're going into, like, kind of rappelling down into deeper and deeper caverns.
I assume. Do you want to describe what we saw on the internet and where that kind of led you?
I assume. Do you want to describe what we saw on the internet and where that kind of led you?
Yes, and it has become a Hacker News story on January 1st, 2018, if memory serves. And... I think I am. I mean, certainly, Alex, I'm sure saw it first. I definitely DM'd you being like, are we? Do you think this affects us? You're like, I don't know. We're learning about this for the first time.
Yes, and it has become a Hacker News story on January 1st, 2018, if memory serves. And... I think I am. I mean, certainly, Alex, I'm sure saw it first. I definitely DM'd you being like, are we? Do you think this affects us? You're like, I don't know. We're learning about this for the first time.
And this is us learning about Spectre and Meltdown and then discovering that we are vulnerable and we are running in production and a public cloud and Meltdown in particular. was really, really acute. John Masters had done terrific work having a real vivid proof of concept of Meltdown.
And this is us learning about Spectre and Meltdown and then discovering that we are vulnerable and we are running in production and a public cloud and Meltdown in particular. was really, really acute. John Masters had done terrific work having a real vivid proof of concept of Meltdown.
I... You know, it's funny. Like that is definitely like not a question we were going to go answer because it was like, it's not actionable. It's you're just like, how far is it down to the bottom? And it's like, it is enough. And you're at a height where you're going to die and nothing else actually matters. So it's like, beyond that, right.
I... You know, it's funny. Like that is definitely like not a question we were going to go answer because it was like, it's not actionable. It's you're just like, how far is it down to the bottom? And it's like, it is enough. And you're at a height where you're going to die and nothing else actually matters. So it's like, beyond that, right.
It was a lot. And Alex and Robert needed to go implement kernel page table isolation. And I mean, Robert, maybe that doesn't stand out for you as much as it does for me, but that is one of the singular engineering efforts I feel I've ever been kind of in the proximity of. I mean, it was really... extraordinary.
It was a lot. And Alex and Robert needed to go implement kernel page table isolation. And I mean, Robert, maybe that doesn't stand out for you as much as it does for me, but that is one of the singular engineering efforts I feel I've ever been kind of in the proximity of. I mean, it was really... extraordinary.
Maybe the pressure was clarifying because you're just like, well, I didn't create this problem. It's very clear what to go do. There's not a question about what is the highest priority thing to go do, which I feel is something as engineers we always grapple with. It's like the highest priority thing is to go do this neurosurgery on the VM system.
Maybe the pressure was clarifying because you're just like, well, I didn't create this problem. It's very clear what to go do. There's not a question about what is the highest priority thing to go do, which I feel is something as engineers we always grapple with. It's like the highest priority thing is to go do this neurosurgery on the VM system.
but could you talk a little bit about the problem we were solving? Like what was the problem that we needed to go solve? What actually is this? And this is to be clear, this is for meltdown, not for specter, but meltdown was a much more acute.
but could you talk a little bit about the problem we were solving? Like what was the problem that we needed to go solve? What actually is this? And this is to be clear, this is for meltdown, not for specter, but meltdown was a much more acute.