Re: [PATCH] asm-generic: provide generic page_to_phys and phys_to_page implementations
Christophe Leroy <[email protected]>
| Newsgroups | gmane.linux.ports.m68k,gmane.linux.ports.alpha,gmane.linux.kernel,gmane.linux.kernel.arc,gmane.linux.ports.arm.kernel,gmane.linux.ports.hexagon,gmane.linux.ports.mips,gmane.linux.ports.parisc,gmane.linux.ports.ppc64.devel,gmane.linux.ports.riscv,gmane.linux.ports.sh.devel,gmane.linux.ports.sparc,gmane.linux.uml.devel,gmane.linux.kernel.cross-arch |
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| Message-ID | <[email protected]> |
Le 09/10/2024 à 13:43, Christoph Hellwig a écrit : > page_to_phys is duplicated by all architectures, and from some strange > reason placed in <asm/io.h> where it doesn't fit at all. > > phys_to_page is only provided by a few architectures despite having a lot > of open coded users. > > Provide generic versions in <asm-generic/memory_model.h> to make these > helpers more easily usable. > > Signed-off-by: Christoph Hellwig <[email protected]> > --- > arch/alpha/include/asm/io.h | 1 - > arch/arc/include/asm/io.h | 3 --- > arch/arm/include/asm/memory.h | 6 ------ > arch/arm64/include/asm/memory.h | 6 ------ > arch/csky/include/asm/page.h | 3 --- > arch/hexagon/include/asm/page.h | 6 ------ > arch/loongarch/include/asm/page.h | 3 --- > arch/m68k/include/asm/virtconvert.h | 3 --- > arch/microblaze/include/asm/page.h | 1 - > arch/mips/include/asm/io.h | 5 ----- > arch/nios2/include/asm/io.h | 3 --- > arch/openrisc/include/asm/page.h | 2 -- > arch/parisc/include/asm/page.h | 1 - > arch/powerpc/include/asm/io.h | 12 ------------ As far as I understand, this patch silently drops part of commit 6bf752daca07 ("powerpc: implement CONFIG_DEBUG_VIRTUAL"). Can you please clarify ? Christophe