Merge branch 'x86/entry' into ras/core

to fixup conflicts in arch/x86/kernel/cpu/mce/core.c so MCE specific follow
up patches can be applied without creating a horrible merge conflict
afterwards.

1 files changed, 20 insertions, 14 deletions

diff --git a/kernel/bpf/core.c b/kernel/bpf/core.c
index 916f5132a984..9df4cc9a2907 100644
--- a/kernel/bpf/core.c
+++ b/kernel/bpf/core.c
@@ -82,7 +82,7 @@ struct bpf_prog *bpf_prog_alloc_no_stats(unsigned int size, gfp_t gfp_extra_flag
 	struct bpf_prog *fp;
 
 	size = round_up(size, PAGE_SIZE);
-	fp = __vmalloc(size, gfp_flags, PAGE_KERNEL);
+	fp = __vmalloc(size, gfp_flags);
 	if (fp == NULL)
 		return NULL;
 
@@ -232,7 +232,7 @@ struct bpf_prog *bpf_prog_realloc(struct bpf_prog *fp_old, unsigned int size,
 	if (ret)
 		return NULL;
 
-	fp = __vmalloc(size, gfp_flags, PAGE_KERNEL);
+	fp = __vmalloc(size, gfp_flags);
 	if (fp == NULL) {
 		__bpf_prog_uncharge(fp_old->aux->user, delta);
 	} else {
@@ -262,10 +262,10 @@ void __bpf_prog_free(struct bpf_prog *fp)
 
 int bpf_prog_calc_tag(struct bpf_prog *fp)
 {
-	const u32 bits_offset = SHA_MESSAGE_BYTES - sizeof(__be64);
+	const u32 bits_offset = SHA1_BLOCK_SIZE - sizeof(__be64);
 	u32 raw_size = bpf_prog_tag_scratch_size(fp);
-	u32 digest[SHA_DIGEST_WORDS];
-	u32 ws[SHA_WORKSPACE_WORDS];
+	u32 digest[SHA1_DIGEST_WORDS];
+	u32 ws[SHA1_WORKSPACE_WORDS];
 	u32 i, bsize, psize, blocks;
 	struct bpf_insn *dst;
 	bool was_ld_map;
@@ -277,7 +277,7 @@ int bpf_prog_calc_tag(struct bpf_prog *fp)
 	if (!raw)
 		return -ENOMEM;
 
-	sha_init(digest);
+	sha1_init(digest);
 	memset(ws, 0, sizeof(ws));
 
 	/* We need to take out the map fd for the digest calculation
@@ -308,8 +308,8 @@ int bpf_prog_calc_tag(struct bpf_prog *fp)
 	memset(&raw[psize], 0, raw_size - psize);
 	raw[psize++] = 0x80;
 
-	bsize  = round_up(psize, SHA_MESSAGE_BYTES);
-	blocks = bsize / SHA_MESSAGE_BYTES;
+	bsize  = round_up(psize, SHA1_BLOCK_SIZE);
+	blocks = bsize / SHA1_BLOCK_SIZE;
 	todo   = raw;
 	if (bsize - psize >= sizeof(__be64)) {
 		bits = (__be64 *)(todo + bsize - sizeof(__be64));
@@ -320,12 +320,12 @@ int bpf_prog_calc_tag(struct bpf_prog *fp)
 	*bits = cpu_to_be64((psize - 1) << 3);
 
 	while (blocks--) {
-		sha_transform(digest, todo, ws);
-		todo += SHA_MESSAGE_BYTES;
+		sha1_transform(digest, todo, ws);
+		todo += SHA1_BLOCK_SIZE;
 	}
 
 	result = (__force __be32 *)digest;
-	for (i = 0; i < SHA_DIGEST_WORDS; i++)
+	for (i = 0; i < SHA1_DIGEST_WORDS; i++)
 		result[i] = cpu_to_be32(digest[i]);
 	memcpy(fp->tag, result, sizeof(fp->tag));
 
@@ -646,7 +646,7 @@ static bool bpf_prog_kallsyms_verify_off(const struct bpf_prog *fp)
 void bpf_prog_kallsyms_add(struct bpf_prog *fp)
 {
 	if (!bpf_prog_kallsyms_candidate(fp) ||
-	    !capable(CAP_SYS_ADMIN))
+	    !bpf_capable())
 		return;
 
 	bpf_prog_ksym_set_addr(fp);
@@ -1089,7 +1089,7 @@ static struct bpf_prog *bpf_prog_clone_create(struct bpf_prog *fp_other,
 	gfp_t gfp_flags = GFP_KERNEL | __GFP_ZERO | gfp_extra_flags;
 	struct bpf_prog *fp;
 
-	fp = __vmalloc(fp_other->pages * PAGE_SIZE, gfp_flags, PAGE_KERNEL);
+	fp = __vmalloc(fp_other->pages * PAGE_SIZE, gfp_flags);
 	if (fp != NULL) {
 		/* aux->prog still points to the fp_other one, so
 		 * when promoting the clone to the real program,
@@ -1543,7 +1543,7 @@ select_insn:
 
 		/* ARG1 at this point is guaranteed to point to CTX from
 		 * the verifier side due to the fact that the tail call is
-		 * handeled like a helper, that is, bpf_tail_call_proto,
+		 * handled like a helper, that is, bpf_tail_call_proto,
 		 * where arg1_type is ARG_PTR_TO_CTX.
 		 */
 		insn = prog->insnsi;
@@ -2136,6 +2136,11 @@ BPF_CALL_0(bpf_user_rnd_u32)
 	return res;
 }
 
+BPF_CALL_0(bpf_get_raw_cpu_id)
+{
+	return raw_smp_processor_id();
+}
+
 /* Weak definitions of helper functions in case we don't have bpf syscall. */
 const struct bpf_func_proto bpf_map_lookup_elem_proto __weak;
 const struct bpf_func_proto bpf_map_update_elem_proto __weak;
@@ -2151,6 +2156,7 @@ const struct bpf_func_proto bpf_get_prandom_u32_proto __weak;
 const struct bpf_func_proto bpf_get_smp_processor_id_proto __weak;
 const struct bpf_func_proto bpf_get_numa_node_id_proto __weak;
 const struct bpf_func_proto bpf_ktime_get_ns_proto __weak;
+const struct bpf_func_proto bpf_ktime_get_boot_ns_proto __weak;
 
 const struct bpf_func_proto bpf_get_current_pid_tgid_proto __weak;
 const struct bpf_func_proto bpf_get_current_uid_gid_proto __weak;