On Thu, Sep 05, 2019 at 09:43:57AM -0700, Mike Travis wrote: > > > On 9/5/2019 7:47 AM, Mike Travis wrote: > > Also, nit: > > > > > --- linux.orig/arch/x86/kernel/apic/x2apic_uv_x.c > > > +++ linux/arch/x86/kernel/apic/x2apic_uv_x.c > > > @@ -1303,7 +1303,8 @@ static int __init decode_uv_systab(void) > > > struct uv_systab *st; > > > int i; > > > - if (uv_hub_info->hub_revision < UV4_HUB_REVISION_BASE) > > > + /* Select only UV4 (hubbed or hubless) and higher */ > > > + if (is_uv_hubbed(-2) < uv(4) && is_uv_hubless(-2) < uv(4)) > > > return 0; /* No extended UVsystab required */ > > > st = uv_systab; > > > @@ -1554,8 +1555,19 @@ static __init int uv_system_init_hubless > > > /* Init kernel/BIOS interface */ > > > rc = uv_bios_init(); > > > + if (rc < 0) { > > > + pr_err("UV: BIOS init error:%d\n", rc); > > > > Why isn't that function printing an error? > > > > > > > + return rc; > > > + } > > > + > > > + /* Process UVsystab */ > > > + rc = decode_uv_systab(); > > > + if (rc < 0) { > > > + pr_err("UV: UVsystab decode error:%d\n", rc); > > > > Same here, have the function itself print the error, makes this type of > > stuff much cleaner. > > Turns out both functions already print an error message for each instance of > an error. The only redundancy is the caller also printing an error with > just the numeric error code. Shall I remove that? Of course you should, why would you want to see multiple error messages for the same single error? greg k-h