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Updated the known issue section in README regarding CC
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pakmarkthub committed Sep 19, 2023
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Expand Up @@ -462,9 +462,11 @@ v396.37 are the minimum requirements in order to achieve the full performance.
GDRCopy works with ealier CUDA and GPU driver versions but the achievable
bandwidth is substantially lower.

GDRCopy does not fully support Linux with the confidential computing (CC) configuration with Intel CPU. In particular,
it does not functional if `CONFIG_ARCH_HAS_CC_PLATFORM=y` and CC is enabled at runtime. However, it works if CC is
disabled or `CONFIG_ARCH_HAS_CC_PLATFORM=n`. This issue is not applied to AMD CPU.
If gdrdrv is compiled with the proprietary flavor of NVIDIA driver, GDRCopy does not fully support Linux with the
confidential computing (CC) configuration with Intel CPU. In particular, it does not functional if
`CONFIG_ARCH_HAS_CC_PLATFORM=y` and CC is enabled at runtime. However, it works if CC is disabled or
`CONFIG_ARCH_HAS_CC_PLATFORM=n`. This issue is not applied to AMD CPU. To avoid this issue, please compile and load
gdrdrv with the opensource flavor of NVIDIA driver.

To allow the loading of unsupported 3rd party modules in SLE, set `allow_unsupported_modules 1` in
/etc/modprobe.d/unsupported-modules. After making this change, modules missing the "supported" flag, will be allowed to
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