On Thu, Jan 12, 2023 at 07:48:29AM +0000, Conor Dooley wrote:
> Hey Jisheng,
>
> On Thu, Jan 12, 2023 at 01:10:24AM +0800, Jisheng Zhang wrote:
> > Make it possible to use alternatives in the vDSO, so that better
> > implementations can be used if possible.
> >
> > Signed-off-by: Jisheng Zhang <jszhang@xxxxxxxxxx>
> > Reviewed-by: Guo Ren <guoren@xxxxxxxxxx>
> > Reviewed-by: Andrew Jones <ajones@xxxxxxxxxxxxxxxx>
>
> FYI, from this patch onwards the rv32 build is broken.
> Should be reproduceable with the in-tree rv32_defconfig.
>
> Unfortunately no logs for you, I've got a CI bug to fix!
Here's the error:
../arch/riscv/kernel/alternative.c:174:21: error: incompatible pointer types passing 'const struct elf64_hdr *' to parameter of type 'const Elf32_Ehdr *' (aka 'const struct elf32_hdr *') [-Werror,-Wincompatible-pointer-types]
alt = find_section(hdr, shdr, ".alternative");
^~~
../arch/riscv/include/asm/module.h:115:60: note: passing argument to parameter 'hdr' here
static inline const Elf_Shdr *find_section(const Elf_Ehdr *hdr,
^
../arch/riscv/kernel/alternative.c:174:26: error: incompatible pointer types passing 'const struct elf64_shdr *' to parameter of type 'const Elf32_Shdr *' (aka 'const struct elf32_shdr *') [-Werror,-Wincompatible-pointer-types]
alt = find_section(hdr, shdr, ".alternative");
^~~~
../arch/riscv/include/asm/module.h:116:25: note: passing argument to parameter 'sechdrs' here
const Elf_Shdr *sechdrs,
^
../arch/riscv/kernel/alternative.c:174:6: error: incompatible pointer types assigning to 'const struct elf64_shdr *' from 'const Elf32_Shdr *' (aka 'const struct elf32_shdr *') [-Werror,-Wincompatible-pointer-types]
alt = find_section(hdr, shdr, ".alternative");
^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
3 errors generated.
Thanks,
Conor.
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