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![]() In protected nVHE mode, the host cannot access private owned hypervisor memory. Also the hypervisor aims to remains simple to reduce the attack surface and does not provide any printk support. For the above reasons, the approach taken to provide hypervisor stacktraces in protected mode is: 1) Unwind and save the hyp stack addresses in EL2 to a shared buffer with the host (done in this patch). 2) Delegate the dumping and symbolization of the addresses to the host in EL1 (later patch in the series). On hyp_panic(), the hypervisor prepares the stacktrace before returning to the host. Signed-off-by: Kalesh Singh <kaleshsingh@google.com> Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20220726073750.3219117-16-kaleshsingh@google.com |
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drivers | ||
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include | ||
init | ||
ipc | ||
kernel | ||
lib | ||
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security | ||
sound | ||
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README |
Linux kernel ============ There are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. Please read Documentation/admin-guide/README.rst first. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. The formatted documentation can also be read online at: https://www.kernel.org/doc/html/latest/ There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.