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qwa...@google.com

4/14/20

Mailing list moving

This mailing list is being migrated to be hosted by Linaro as part of the Trusted Firmare project. If

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Mailing list moving

This mailing list is being migrated to be hosted by Linaro as part of the Trusted Firmare project. If

4/14/20

1/10/20

mpool_free vs. mpool_add_chunk when deallocating a page table's root

A minor issue but just to keep a record. mm_alloc_page_tables() is used to allocate a new page table

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mpool_free vs. mpool_add_chunk when deallocating a page table's root

A minor issue but just to keep a record. mm_alloc_page_tables() is used to allocate a new page table

1/10/20

Sanguk Park, Andrew Scull2

1/2/20

Volatile pointers of PTE

This is an area that I have been wondering about. After updating the tables, there is an invalidation

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Volatile pointers of PTE

This is an area that I have been wondering about. After updating the tables, there is an invalidation

1/2/20

Hong-Seok Kim, Andrew Walbran9

11/20/19

Return code when api_spci_msg_recv() succeeds

Ok, thanks for the clarification. On Wed, Nov 20, 2019 at 11:52 PM Andrew Walbran <qwandor@google.

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Return code when api_spci_msg_recv() succeeds

Ok, thanks for the clarification. On Wed, Nov 20, 2019 at 11:52 PM Andrew Walbran <qwandor@google.

11/20/19

Hong-Seok Kim, Andrew Scull3

11/14/19

Adding MAILBOX_STATE_UNINITIALIZED in mailbox_state

As long as it doesn't add complexity in C code, it might be a useful thing because in an abstract

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Adding MAILBOX_STATE_UNINITIALIZED in mailbox_state

As long as it doesn't add complexity in C code, it might be a useful thing because in an abstract

11/14/19

10/21/19

How does the GCC deprecation affect binutils?

Hello, According to https://android.googlesource.com/platform/prebuilts/clang/host/linux-x86/+/master

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How does the GCC deprecation affect binutils?

Hello, According to https://android.googlesource.com/platform/prebuilts/clang/host/linux-x86/+/master

10/21/19

Sanguk Park, Andrew Scull3

8/20/19

api_spci_msg_recv accesses pending_and_enabled_count but doesn't lock it

Thank you for the good news! I found this while I was porting Hafnium to Rust. Jeehoon Kang and I are

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api_spci_msg_recv accesses pending_and_enabled_count but doesn't lock it

Thank you for the good news! I found this while I was porting Hafnium to Rust. Jeehoon Kang and I are

8/20/19

Sanguk Park, Andrew Scull2

8/20/19

api_debug_log doesn't print the last character if the buffer is full

Thanks, again! No, that doesn't seem right. Uploaded a CL to https://hafnium-review.googlesource.

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api_debug_log doesn't print the last character if the buffer is full

Thanks, again! No, that doesn't seem right. Uploaded a CL to https://hafnium-review.googlesource.

8/20/19

Hong-Seok Kim, Andrew Scull2

7/9/19

How to Contribute link in the Getting Started page is broken

https://hafnium.googlesource.com/hafnium/+/HEAD/CONTRIBUTING.md, will update the link. On Tue, 9 Jul

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How to Contribute link in the Getting Started page is broken

https://hafnium.googlesource.com/hafnium/+/HEAD/CONTRIBUTING.md, will update the link. On Tue, 9 Jul

7/9/19

Hong-Seok Kim, Andrew Walbran4

7/5/19

Order args_regs_reset() and vcpu_on() are called between primary vs. secondary VM

I don't think there is a magic how we could potentially improve the current code structure. Now

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Order args_regs_reset() and vcpu_on() are called between primary vs. secondary VM

I don't think there is a magic how we could potentially improve the current code structure. Now

7/5/19

Hong-Seok Kim, … Andrew Walbran8

7/5/19

So, the contract is that (1) for the primary VM, Hafnuim is reponsible for turning on & executing

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So, the contract is that (1) for the primary VM, Hafnuim is reponsible for turning on & executing

7/5/19

Hong-Seok Kim, … Andrew Walbran5

7/5/19

Primary vs Secondary VMs

Sure, if you can think of a way to refactor it to make it easier to follow that sounds good! We

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Primary vs Secondary VMs

Sure, if you can think of a way to refactor it to make it easier to follow that sounds good! We

7/5/19

Robin Kim, Andrew Scull2

7/3/19

SMCCC for aarch64

The SMCCC_CONVENTION_MASK is used to toggle between 32 and 64-bit mode. Looks like both versions are

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SMCCC for aarch64

The SMCCC_CONVENTION_MASK is used to toggle between 32 and 64-bit mode. Looks like both versions are

7/3/19

Hong-Seok Kim, … Andrew Walbran4

7/3/19

irq enable/disable

Yes, I agree. 2019년 7월 3일 (수) 오전 3:48, Andrew Walbran <qwa...@google.com>님이 작성: It could have

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irq enable/disable

Yes, I agree. 2019년 7월 3일 (수) 오전 3:48, Andrew Walbran <qwa...@google.com>님이 작성: It could have

7/3/19

Jeehoon Kang, … Andrew Scull6

6/27/19

QEMU boot fails with "Panic: EL2 exception"

We got to reproduce this and tracked it down to it the GICv3 registers that need to be enabled in

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QEMU boot fails with "Panic: EL2 exception"

We got to reproduce this and tracked it down to it the GICv3 registers that need to be enabled in

6/27/19

Jeehoon Kang, Andrew Scull2

6/20/19

Idea: bitmaps for mailbox wait entries instead of linked lists?

The most significant difference I can think of is that the linked lists provide an order whereas the

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Idea: bitmaps for mailbox wait entries instead of linked lists?

The most significant difference I can think of is that the linked lists provide an order whereas the

6/20/19

Jeehoon Kang, … Andrew Scull8

6/3/19

[proposal] More fine-grained locking for vcpus

In the current locking scheme, the data in `struct vcpu` is protected by the vCPU lock (except,

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[proposal] More fine-grained locking for vcpus

In the current locking scheme, the data in `struct vcpu` is protected by the vCPU lock (except,

6/3/19

Jeehoon Kang, Andrew Scull6

5/21/19

Possible race on the hypervisor page table (ptable in src/mm.c)?

Yes, I'm expecting it will be a spinlock for the hypervisor page table. It seems we'll want

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Possible race on the hypervisor page table (ptable in src/mm.c)?

Yes, I'm expecting it will be a spinlock for the hypervisor page table. It seems we'll want

5/21/19

Jeehoon Kang, Andrew Scull2

5/20/19

A potential bug on `RSIZE_MAX` in `inc/hf/std.h`

Thanks Jeehoon, I've uploaded a patch to reduce the range right down to 128 MiB as we don't

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A potential bug on `RSIZE_MAX` in `inc/hf/std.h`

Thanks Jeehoon, I've uploaded a patch to reduce the range right down to 128 MiB as we don't

5/20/19

Jeehoon Kang, Andrew Scull3

5/18/19

Struggling on linking external libraries

Dear Andrew, I finally succeeded in linking an external static library and hafnium: https://github.

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Struggling on linking external libraries

Dear Andrew, I finally succeeded in linking an external static library and hafnium: https://github.

5/18/19

Jeehoon Kang, Andrew Scull2

5/13/19

Pull request on

Hi Jeehoon, thanks for the suggestion. We use Gerrit for code review. You should be able to push your

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Pull request on

Hi Jeehoon, thanks for the suggestion. We use Gerrit for code review. You should be able to push your

5/13/19

5/13/19

Installation requires liibssl-dev, flex and bison as well

https://github.com/jeehoonkang/hafnium/blob/master/docs/GettingStarted.md#compiling-the-hypervisor

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Installation requires liibssl-dev, flex and bison as well

https://github.com/jeehoonkang/hafnium/blob/master/docs/GettingStarted.md#compiling-the-hypervisor

5/13/19

Johnson Lu, Andrew Scull2

2/1/19

gnutls_handshake fail when clone source code

There hasn't been any change that I'm aware of. The checkout works for me now; it might have

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gnutls_handshake fail when clone source code

There hasn't been any change that I'm aware of. The checkout works for me now; it might have

2/1/19

Arun KS, Johnson Lu4

1/10/19

Error while loading test - lib missing

I think this lib is QEMU needed, not vm needs. 在 2019年1月10日星期四 UTC+8下午8:37:31，Arun KS写道： On Thu, Jan

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Error while loading test - lib missing

I think this lib is QEMU needed, not vm needs. 在 2019年1月10日星期四 UTC+8下午8:37:31，Arun KS写道： On Thu, Jan

1/10/19

Johnson Lu, Andrew Walbran6

1/8/19

Steps on how to lunch seconadary VM

Currently VMs can interact by sending messages, and the primary VM may also inject interrupts into a

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Steps on how to lunch seconadary VM

Currently VMs can interact by sending messages, and the primary VM may also inject interrupts into a

1/8/19

Arun KS, Johnson Lu6

1/8/19

Not able to boot 2nd secondary VM

I use the same machine memory and VM memory, can also successfully load VM. But how do you know it

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Not able to boot 2nd secondary VM

I use the same machine memory and VM memory, can also successfully load VM. But how do you know it

1/8/19

Johnson Lu, Andrew Walbran3

1/6/19

System hang after 'Starting up cpu 0'

Works now after re-complie primary vm! 在 2019年1月5日星期六 UTC+8下午10:14:25，Johnson Lu写道： All test passed,

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System hang after 'Starting up cpu 0'

Works now after re-complie primary vm! 在 2019年1月5日星期六 UTC+8下午10:14:25，Johnson Lu写道： All test passed,

1/6/19

Johnson Lu, Andrew Scull4

12/21/18

Error about 'fatal: Unable to find remote helper for 'sso''

Thanks fix this issue. Not sure if you can share this project's schedule, thanks. 在 2018年12月20日星期

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Error about 'fatal: Unable to find remote helper for 'sso''

Thanks fix this issue. Not sure if you can share this project's schedule, thanks. 在 2018年12月20日星期

12/21/18

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