Re: linux-next: build failure after merge of the rcu tree

Joe Perches
2017-05-30T01:54:26Z

On Tue, 2017-05-30 at 11:40 +1000, Stephen Rothwell wrote:
> Hi Paul,
>
> > On Mon, 29 May 2017 14:15:05 -0700 "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> wrote:
> >
> > Anyone see any other options?

My preferred option would be removing pr_fmt
and adding a couple new macros.
---
arch/blackfin/kernel/module.c | 39 +++++++++++++++++++++------------------
1 file changed, 21 insertions(+), 18 deletions(-)

diff --git a/arch/blackfin/kernel/module.c b/arch/blackfin/kernel/module.c
index 0188c933b155..e43aec7eb8d3 100644
--- a/arch/blackfin/kernel/module.c
+++ b/arch/blackfin/kernel/module.c
@@ -4,8 +4,6 @@
* Licensed under the GPL-2 or later
*/

-#define pr_fmt(fmt) "module %s: " fmt, mod->name
-
#include <linux/moduleloader.h>
#include <linux/elf.h>
#include <linux/vmalloc.h>
@@ -16,6 +14,11 @@
#include <asm/cacheflush.h>
#include <linux/uaccess.h>

+#define mod_err(mod, fmt, ...) \
+ pr_err("module %s: " fmt, (mod)->name, ##__VA_ARGS__)
+#define mod_debug(mod, ...) \
+ pr_debug("module %s: " fmt, (mod)->name, ##__VA_ARGS__)
+
/* Transfer the section to the L1 memory */
int
module_frob_arch_sections(Elf_Ehdr *hdr, Elf_Shdr *sechdrs,
@@ -44,7 +47,7 @@ module_frob_arch_sections(Elf_Ehdr *hdr, Elf_Shdr *sechdrs,
dest = l1_inst_sram_alloc(s->sh_size);
mod->arch.text_l1 = dest;
if (dest == NULL) {
- pr_err("L1 inst memory allocation failed\n");
+ mod_err(mod, "L1 inst memory allocation failed\n");
return -1;
}
dma_memcpy(dest, (void *)s->sh_addr, s->sh_size);
@@ -56,7 +59,7 @@ module_frob_arch_sections(Elf_Ehdr *hdr, Elf_Shdr *sechdrs,
dest = l1_data_sram_alloc(s->sh_size);
mod->arch.data_a_l1 = dest;
if (dest == NULL) {
- pr_err("L1 data memory allocation failed\n");
+ mod_err(mod, "L1 data memory allocation failed\n");
return -1;
}
memcpy(dest, (void *)s->sh_addr, s->sh_size);
@@ -68,7 +71,7 @@ module_frob_arch_sections(Elf_Ehdr *hdr, Elf_Shdr *sechdrs,
dest = l1_data_sram_zalloc(s->sh_size);
mod->arch.bss_a_l1 = dest;
if (dest == NULL) {
- pr_err("L1 data memory allocation failed\n");
+ mod_err(mod, "L1 data memory allocation failed\n");
return -1;
}

@@ -77,7 +80,7 @@ module_frob_arch_sections(Elf_Ehdr *hdr, Elf_Shdr *sechdrs,
dest = l1_data_B_sram_alloc(s->sh_size);
mod->arch.data_b_l1 = dest;
if (dest == NULL) {
- pr_err("L1 data memory allocation failed\n");
+ mod_err(mod, "L1 data memory allocation failed\n");
return -1;
}
memcpy(dest, (void *)s->sh_addr, s->sh_size);
@@ -87,7 +90,7 @@ module_frob_arch_sections(Elf_Ehdr *hdr, Elf_Shdr *sechdrs,
dest = l1_data_B_sram_alloc(s->sh_size);
mod->arch.bss_b_l1 = dest;
if (dest == NULL) {
- pr_err("L1 data memory allocation failed\n");
+ mod_err(mod, "L1 data memory allocation failed\n");
return -1;
}
memset(dest, 0, s->sh_size);
@@ -99,7 +102,7 @@ module_frob_arch_sections(Elf_Ehdr *hdr, Elf_Shdr *sechdrs,
dest = l2_sram_alloc(s->sh_size);
mod->arch.text_l2 = dest;
if (dest == NULL) {
- pr_err("L2 SRAM allocation failed\n");
+ mod_err(mod, "L2 SRAM allocation failed\n");
return -1;
}
memcpy(dest, (void *)s->sh_addr, s->sh_size);
@@ -111,7 +114,7 @@ module_frob_arch_sections(Elf_Ehdr *hdr, Elf_Shdr *sechdrs,
dest = l2_sram_alloc(s->sh_size);
mod->arch.data_l2 = dest;
if (dest == NULL) {
- pr_err("L2 SRAM allocation failed\n");
+ mod_err(mod, "L2 SRAM allocation failed\n");
return -1;
}
memcpy(dest, (void *)s->sh_addr, s->sh_size);
@@ -123,7 +126,7 @@ module_frob_arch_sections(Elf_Ehdr *hdr, Elf_Shdr *sechdrs,
dest = l2_sram_zalloc(s->sh_size);
mod->arch.bss_l2 = dest;
if (dest == NULL) {
- pr_err("L2 SRAM allocation failed\n");
+ mod_err(mod, "L2 SRAM allocation failed\n");
return -1;
}

@@ -157,8 +160,8 @@ apply_relocate_add(Elf_Shdr *sechdrs, const char *strtab,
Elf32_Sym *sym;
unsigned long location, value, size;

- pr_debug("applying relocate section %u to %u\n",
- relsec, sechdrs[relsec].sh_info);
+ mod_debug(mod, "applying relocate section %u to %u\n",
+   relsec, sechdrs[relsec].sh_info);

for (i = 0; i < sechdrs[relsec].sh_size / sizeof(*rel); i++) {
/* This is where to make the change */
@@ -174,14 +177,14 @@ apply_relocate_add(Elf_Shdr *sechdrs, const char *strtab,

#ifdef CONFIG_SMP
if (location >= COREB_L1_DATA_A_START) {
- pr_err("cannot relocate in L1: %u (SMP kernel)\n",
+ mod_err(mod, "cannot relocate in L1: %u (SMP kernel)\n",
ELF32_R_TYPE(rel[i].r_info));
return -ENOEXEC;
}
#endif

- pr_debug("location is %lx, value is %lx type is %d\n",
- location, value, ELF32_R_TYPE(rel[i].r_info));
+ mod_debug(mod, "location is %lx, value is %lx type is %d\n",
+   location, value, ELF32_R_TYPE(rel[i].r_info));

switch (ELF32_R_TYPE(rel[i].r_info)) {

@@ -200,12 +203,12 @@ apply_relocate_add(Elf_Shdr *sechdrs, const char *strtab,
case R_BFIN_PCREL12_JUMP:
case R_BFIN_PCREL12_JUMP_S:
case R_BFIN_PCREL10:
- pr_err("unsupported relocation: %u (no -mlong-calls?)\n",
+ mod_err(mod, "unsupported relocation: %u (no -mlong-calls?)\n",
ELF32_R_TYPE(rel[i].r_info));
return -ENOEXEC;

default:
- pr_err("unknown relocation: %u\n",
+ mod_err(mod, "unknown relocation: %u\n",
ELF32_R_TYPE(rel[i].r_info));
return -ENOEXEC;
}
@@ -222,7 +225,7 @@ apply_relocate_add(Elf_Shdr *sechdrs, const char *strtab,
isram_memcpy((void *)location, &value, size);
break;
default:
- pr_err("invalid relocation for %#lx\n", location);
+ mod_err(mod, "invalid relocation for %#lx\n", location);
return -ENOEXEC;
}
}