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Code Issues Releases Wiki Activity

x86/microcode/intel: Move mc arg last in get_matching_{microcode|sig}

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... arguments list so that it comes more natural for those functions to
have the signature, processor flags and revision together, before the
rest of the args.

No functionality change.

Signed-off-by: Borislav Petkov <bp@suse.de>
This commit is contained in:
Borislav Petkov 2015-02-10 11:28:23 +01:00
parent 9e02bb46d3
commit e3d8f67476
4 changed files with 14 additions and 17 deletions
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5
arch/x86/include/asm/microcode_intel.h
View file

@ -56,10 +56,9 @@ struct extended_sigtable {
#define exttable_size(et) ((et)->count * EXT_SIGNATURE_SIZE + EXT_HEADER_SIZE)
extern int
get_matching_microcode(unsigned int csig, int cpf, void *mc, int rev);
extern int get_matching_microcode(unsigned int csig, int cpf, int rev, void *mc);
extern int microcode_sanity_check(void *mc, int print_err);
extern int get_matching_sig(unsigned int csig, int cpf, void *mc, int rev);
extern int get_matching_sig(unsigned int csig, int cpf, int rev, void *mc);
static inline int
revision_is_newer(struct microcode_header_intel *mc_header, int rev)

4
arch/x86/kernel/cpu/microcode/intel.c
View file

@ -124,7 +124,7 @@ static int get_matching_mc(struct microcode_intel *mc_intel, int cpu)
cpf = cpu_sig.pf;
crev = cpu_sig.rev;
return get_matching_microcode(csig, cpf, mc_intel, crev);
return get_matching_microcode(csig, cpf, crev, mc_intel);
}
static int apply_microcode_intel(int cpu)
@ -226,7 +226,7 @@ static enum ucode_state generic_load_microcode(int cpu, void *data, size_t size,
csig = uci->cpu_sig.sig;
cpf = uci->cpu_sig.pf;
if (get_matching_microcode(csig, cpf, mc, new_rev)) {
if (get_matching_microcode(csig, cpf, new_rev, mc)) {
vfree(new_mc);
new_rev = mc_header.rev;
new_mc = mc;

6
arch/x86/kernel/cpu/microcode/intel_early.c
View file

@ -50,8 +50,8 @@ load_microcode_early(struct microcode_intel **saved,
ret = get_matching_microcode(uci->cpu_sig.sig,
uci->cpu_sig.pf,
ucode_ptr,
new_rev);
new_rev,
ucode_ptr);
if (!ret)
continue;
@ -251,7 +251,7 @@ static unsigned int _save_mc(struct microcode_intel **mc_saved,
pf = mc_saved_hdr->pf;
new_rev = mc_hdr->rev;
if (!get_matching_sig(sig, pf, ucode_ptr, new_rev))
if (!get_matching_sig(sig, pf, new_rev, ucode_ptr))
continue;
found = 1;

16
arch/x86/kernel/cpu/microcode/intel_lib.c
View file

@ -122,10 +122,9 @@ int microcode_sanity_check(void *mc, int print_err)
EXPORT_SYMBOL_GPL(microcode_sanity_check);
/*
* return 0 - no update found
* return 1 - found update
* Returns 1 if update has been found, 0 otherwise.
*/
int get_matching_sig(unsigned int csig, int cpf, void *mc, int rev)
int get_matching_sig(unsigned int csig, int cpf, int rev, void *mc)
{
struct microcode_header_intel *mc_header = mc;
struct extended_sigtable *ext_header;
@ -153,16 +152,15 @@ int get_matching_sig(unsigned int csig, int cpf, void *mc, int rev)
}
/*
* return 0 - no update found
* return 1 - found update
* Returns 1 if update has been found, 0 otherwise.
*/
int get_matching_microcode(unsigned int csig, int cpf, void *mc, int rev)
int get_matching_microcode(unsigned int csig, int cpf, int rev, void *mc)
{
struct microcode_header_intel *mc_header = mc;
struct microcode_header_intel *mc_hdr = mc;
if (!revision_is_newer(mc_header, rev))
if (!revision_is_newer(mc_hdr, rev))
return 0;
return get_matching_sig(csig, cpf, mc, rev);
return get_matching_sig(csig, cpf, rev, mc);
}
EXPORT_SYMBOL_GPL(get_matching_microcode);