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authorIngo Molnar <mingo@kernel.org>2014-02-09 07:13:45 -0500
committerIngo Molnar <mingo@kernel.org>2014-02-09 07:13:45 -0500
commit3c3d7cb1db4af176dab843f22ea092a4ef1eb989 (patch)
tree9c1b2951432ed10d0654a8e13cbe57b51260d06b /arch/x86/kernel/cpu/microcode
parent0e9f2204cfa6d79abe3e525ddf7c4ab5792cc751 (diff)
parent494479038d97f1b9f76fc633a360a681acdf035c (diff)
Merge branch 'linus' into perf/core
Refresh the branch to a v3.14-rc base before queueing up new devel patches. Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/kernel/cpu/microcode')
-rw-r--r--arch/x86/kernel/cpu/microcode/amd.c2
-rw-r--r--arch/x86/kernel/cpu/microcode/amd_early.c43
-rw-r--r--arch/x86/kernel/cpu/microcode/intel.c2
3 files changed, 31 insertions, 16 deletions
diff --git a/arch/x86/kernel/cpu/microcode/amd.c b/arch/x86/kernel/cpu/microcode/amd.c
index 4a6ff747aaad..8fffd845e22b 100644
--- a/arch/x86/kernel/cpu/microcode/amd.c
+++ b/arch/x86/kernel/cpu/microcode/amd.c
@@ -433,7 +433,7 @@ static enum ucode_state request_microcode_amd(int cpu, struct device *device,
433 if (c->x86 >= 0x15) 433 if (c->x86 >= 0x15)
434 snprintf(fw_name, sizeof(fw_name), "amd-ucode/microcode_amd_fam%.2xh.bin", c->x86); 434 snprintf(fw_name, sizeof(fw_name), "amd-ucode/microcode_amd_fam%.2xh.bin", c->x86);
435 435
436 if (request_firmware(&fw, (const char *)fw_name, device)) { 436 if (request_firmware_direct(&fw, (const char *)fw_name, device)) {
437 pr_debug("failed to load file %s\n", fw_name); 437 pr_debug("failed to load file %s\n", fw_name);
438 goto out; 438 goto out;
439 } 439 }
diff --git a/arch/x86/kernel/cpu/microcode/amd_early.c b/arch/x86/kernel/cpu/microcode/amd_early.c
index 8384c0fa206f..617a9e284245 100644
--- a/arch/x86/kernel/cpu/microcode/amd_early.c
+++ b/arch/x86/kernel/cpu/microcode/amd_early.c
@@ -285,6 +285,15 @@ static void __init collect_cpu_sig_on_bsp(void *arg)
285 285
286 uci->cpu_sig.sig = cpuid_eax(0x00000001); 286 uci->cpu_sig.sig = cpuid_eax(0x00000001);
287} 287}
288
289static void __init get_bsp_sig(void)
290{
291 unsigned int bsp = boot_cpu_data.cpu_index;
292 struct ucode_cpu_info *uci = ucode_cpu_info + bsp;
293
294 if (!uci->cpu_sig.sig)
295 smp_call_function_single(bsp, collect_cpu_sig_on_bsp, NULL, 1);
296}
288#else 297#else
289void load_ucode_amd_ap(void) 298void load_ucode_amd_ap(void)
290{ 299{
@@ -337,31 +346,37 @@ void load_ucode_amd_ap(void)
337 346
338int __init save_microcode_in_initrd_amd(void) 347int __init save_microcode_in_initrd_amd(void)
339{ 348{
349 unsigned long cont;
340 enum ucode_state ret; 350 enum ucode_state ret;
341 u32 eax; 351 u32 eax;
342 352
343#ifdef CONFIG_X86_32 353 if (!container)
344 unsigned int bsp = boot_cpu_data.cpu_index; 354 return -EINVAL;
345 struct ucode_cpu_info *uci = ucode_cpu_info + bsp;
346
347 if (!uci->cpu_sig.sig)
348 smp_call_function_single(bsp, collect_cpu_sig_on_bsp, NULL, 1);
349 355
356#ifdef CONFIG_X86_32
357 get_bsp_sig();
358 cont = (unsigned long)container;
359#else
350 /* 360 /*
351 * Take into account the fact that the ramdisk might get relocated 361 * We need the physical address of the container for both bitness since
352 * and therefore we need to recompute the container's position in 362 * boot_params.hdr.ramdisk_image is a physical address.
353 * virtual memory space.
354 */ 363 */
355 container = (u8 *)(__va((u32)relocated_ramdisk) + 364 cont = __pa(container);
356 ((u32)container - boot_params.hdr.ramdisk_image));
357#endif 365#endif
366
367 /*
368 * Take into account the fact that the ramdisk might get relocated and
369 * therefore we need to recompute the container's position in virtual
370 * memory space.
371 */
372 if (relocated_ramdisk)
373 container = (u8 *)(__va(relocated_ramdisk) +
374 (cont - boot_params.hdr.ramdisk_image));
375
358 if (ucode_new_rev) 376 if (ucode_new_rev)
359 pr_info("microcode: updated early to new patch_level=0x%08x\n", 377 pr_info("microcode: updated early to new patch_level=0x%08x\n",
360 ucode_new_rev); 378 ucode_new_rev);
361 379
362 if (!container)
363 return -EINVAL;
364
365 eax = cpuid_eax(0x00000001); 380 eax = cpuid_eax(0x00000001);
366 eax = ((eax >> 8) & 0xf) + ((eax >> 20) & 0xff); 381 eax = ((eax >> 8) & 0xf) + ((eax >> 20) & 0xff);
367 382
diff --git a/arch/x86/kernel/cpu/microcode/intel.c b/arch/x86/kernel/cpu/microcode/intel.c
index 5fb2cebf556b..a276fa75d9b5 100644
--- a/arch/x86/kernel/cpu/microcode/intel.c
+++ b/arch/x86/kernel/cpu/microcode/intel.c
@@ -278,7 +278,7 @@ static enum ucode_state request_microcode_fw(int cpu, struct device *device,
278 sprintf(name, "intel-ucode/%02x-%02x-%02x", 278 sprintf(name, "intel-ucode/%02x-%02x-%02x",
279 c->x86, c->x86_model, c->x86_mask); 279 c->x86, c->x86_model, c->x86_mask);
280 280
281 if (request_firmware(&firmware, name, device)) { 281 if (request_firmware_direct(&firmware, name, device)) {
282 pr_debug("data file %s load failed\n", name); 282 pr_debug("data file %s load failed\n", name);
283 return UCODE_NFOUND; 283 return UCODE_NFOUND;
284 } 284 }