On April 9, 2025 4:43:27 AM PDT, Uros Bizjak <[email protected]> wrote: >On Wed, Apr 9, 2025 at 1:07 PM Jiri Slaby <[email protected]> wrote: >> >> On 27. 01. 25, 17:05, Uros Bizjak wrote: >> > This patch declares percpu variables in __seg_gs/__seg_fs named AS >> > and keeps them named AS qualified until they are dereferenced with >> > percpu accessor. This approach enables various compiler check >> > for cross-namespace variable assignments. >> >> So this causes modpost to fail to version some symbols: >> >> > WARNING: modpost: EXPORT symbol "xen_vcpu_id" [vmlinux] version generation >> > failed, symbol will not be versioned. >> > Is "xen_vcpu_id" prototyped in <asm/asm-prototypes.h>? >> > WARNING: modpost: EXPORT symbol "irq_stat" [vmlinux] version generation >> > failed, symbol will not be versioned. >> > Is "irq_stat" prototyped in <asm/asm-prototypes.h>? >> > WARNING: modpost: EXPORT symbol "fred_rsp0" [vmlinux] version generation >> > failed, symbol will not be versioned. >> > Is "fred_rsp0" prototyped in <asm/asm-prototypes.h>? >> > WARNING: modpost: EXPORT symbol "cpu_dr7" [vmlinux] version generation >> > failed, symbol will not be versioned. >> > Is "cpu_dr7" prototyped in <asm/asm-prototypes.h>? >> > WARNING: modpost: EXPORT symbol "cpu_tss_rw" [vmlinux] version generation >> > failed, symbol will not be versioned. >> > Is "cpu_tss_rw" prototyped in <asm/asm-prototypes.h>? >> > WARNING: modpost: EXPORT symbol "__tss_limit_invalid" [vmlinux] version >> > generation failed, symbol will not be versioned. >> > Is "__tss_limit_invalid" prototyped in <asm/asm-prototypes.h>? >> > WARNING: modpost: EXPORT symbol "irq_fpu_usable" [vmlinux] version >> > generation failed, symbol will not be versioned. >> > Is "irq_fpu_usable" prototyped in <asm/asm-prototypes.h>? >> > WARNING: modpost: EXPORT symbol "cpu_info" [vmlinux] version generation >> > failed, symbol will not be versioned. >> > Is "cpu_info" prototyped in <asm/asm-prototypes.h>? >> > WARNING: modpost: EXPORT symbol "gdt_page" [vmlinux] version generation >> > failed, symbol will not be versioned. >> > Is "gdt_page" prototyped in <asm/asm-prototypes.h>? >> > ... >> >> That happens both with 6.15-rc1 and today's -next. Ideas? > >https://lore.kernel.org/lkml/[email protected]/ > >Uros. >
A lot of those seem to be things that definitely shouldn't be expected...
