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 StKLf9o8 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: * Lorenzo Stoakes [241017 12:56]: > The phys_addr_t size is predicated on whether CONFIG_PHYS_ADDR_T_64BIT is > set or not. > > In the VMA tests, virt_to_phys() from tools/include/linux casts a volatile > void * pointer to phys_addr_t, if CONFIG_PHYS_ADDR_T_64BIT is not set, this > will be 32-bit and trigger a warning. > > Obviously this might also lead to truncation, which we would rather avoid. > > Fix this by adjusting the generation of generated/bit-length.h to generate > a CONFIG_PHYS_ADDR_T{bits}BIT define. > > This does result in the generation of the useless CONFIG_PHYS_ADDR_T_32BIT > define for 32-bit systems, but this should have no effect, and makes > implementation of this easier. > > This resolves the issue and the warning. > > Signed-off-by: Lorenzo Stoakes Thanks, I just saw this, but your change fixes the vma test code for me. Tested-by: Liam R. Howlett Reviewed-by: Liam R. Howlett (both tags since I don't see the double tag in the submitting-patches doc) > --- > tools/testing/shared/shared.mk | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/tools/testing/shared/shared.mk b/tools/testing/shared/shared.mk > index a6bc51d0b0bf..b37362224a73 100644 > --- a/tools/testing/shared/shared.mk > +++ b/tools/testing/shared/shared.mk > @@ -69,6 +69,7 @@ generated/bit-length.h: FORCE > @if ! grep -qws CONFIG_$(LONG_BIT)BIT generated/bit-length.h; then \ > echo "Generating $@"; \ > echo "#define CONFIG_$(LONG_BIT)BIT 1" > $@; \ > + echo "#define CONFIG_PHYS_ADDR_T_$(LONG_BIT)BIT 1" > $@; \ > fi > > FORCE: ; > -- > 2.46.2 >