Wed, Jun 10, 2026 at 04:23:29PM +0200, [email protected] wrote: >From: Arnd Bergmann <[email protected]> > >While system heap and system_cc_shared heap share a lot of code >and hence the same source file, their users have different needs. > >system heap users need it to be a loadable module, while >system_cc_shared heap users don't. > >Building as a loadable module breaks system_cc_shared heap on >powerpc and s390 due to un-exported set_memory_encrypted / >set_memory_decrypted functions. > >Fix these by reorganising code to put the system_cc_shared heap >under a new Kconfig symbol, which allows either building both >into the kernel, or leave encryption up to the consumers of the >system heap. > >Fixes: fd55edff8a0a ("dma-buf: heaps: system: Turn the heap into a module") >Signed-off-by: Arnd Bergmann <[email protected]> >Signed-off-by: Sumit Semwal <[email protected]> >--- > drivers/dma-buf/heaps/Kconfig | 8 ++++++++ > drivers/dma-buf/heaps/system_heap.c | 16 ++++++++++------ > 2 files changed, 18 insertions(+), 6 deletions(-) > >diff --git a/drivers/dma-buf/heaps/Kconfig b/drivers/dma-buf/heaps/Kconfig >index e273fb18feca..a39decdcf067 100644 >--- a/drivers/dma-buf/heaps/Kconfig >+++ b/drivers/dma-buf/heaps/Kconfig >@@ -5,6 +5,14 @@ config DMABUF_HEAPS_SYSTEM > Choose this option to enable the system dmabuf heap. The system heap > is backed by pages from the buddy allocator. If in doubt, say Y. > >+config DMABUF_HEAPS_CC_SYSTEM
Nit: "DMABUF_HEAPS_SYSTEM_CC_SHARED" to be consistent with the heap name? With or without it: Reviewed-by: Jiri Pirko <[email protected]>
