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x86: Eliminate various 'set but not used' warnings

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Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
Cc: Joerg Roedel <joerg.roedel@amd.com> (supporter:AMD IOMMU (AMD-VI))
Cc: iommu@lists.linux-foundation.org (open list:AMD IOMMU (AMD-VI))
Link: http://lkml.kernel.org/r/1305918786-7239-3-git-send-email-padovan@profusion.mobi
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Gustavo F. Padovan 2011-05-20 16:13:00 -03:00 committed by Ingo Molnar
parent 1d487624fc
commit 6ec5ff4bc3
3 changed files with 5 additions and 16 deletions
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5
arch/x86/kernel/amd_iommu.c
View File

@ -1538,13 +1538,11 @@ static void do_detach(struct device *dev)
{
struct iommu_dev_data *dev_data;
struct amd_iommu *iommu;
struct pci_dev *pdev;
u16 devid;
devid = get_device_id(dev);
iommu = amd_iommu_rlookup_table[devid];
dev_data = get_dev_data(dev);
pdev = to_pci_dev(dev);
/* decrease reference counters */
dev_data->domain->dev_iommu[iommu->index] -= 1;
@ -1703,10 +1701,9 @@ static struct protection_domain *domain_for_device(struct device *dev)
struct protection_domain *dom;
struct iommu_dev_data *dev_data, *alias_data;
unsigned long flags;
u16 devid, alias;
u16 devid;
devid = get_device_id(dev);
alias = amd_iommu_alias_table[devid];
dev_data = get_dev_data(dev);
alias_data = get_dev_data(dev_data->alias);
if (!alias_data)

2
arch/x86/kernel/test_nx.c
View File

@ -161,7 +161,7 @@ static int test_NX(void)
}
#endif
return 0;
return ret;
}
static void test_exit(void)

14
arch/x86/mm/pf_in.c
View File

@ -414,22 +414,17 @@ unsigned long get_ins_reg_val(unsigned long ins_addr, struct pt_regs *regs)
unsigned char *p;
struct prefix_bits prf;
int i;
unsigned long rv;
p = (unsigned char *)ins_addr;
p += skip_prefix(p, &prf);
p += get_opcode(p, &opcode);
for (i = 0; i < ARRAY_SIZE(reg_rop); i++)
if (reg_rop[i] == opcode) {
rv = REG_READ;
if (reg_rop[i] == opcode)
goto do_work;
}
for (i = 0; i < ARRAY_SIZE(reg_wop); i++)
if (reg_wop[i] == opcode) {
rv = REG_WRITE;
if (reg_wop[i] == opcode)
goto do_work;
}
printk(KERN_ERR "mmiotrace: Not a register instruction, opcode "
"0x%02x\n", opcode);
@ -474,16 +469,13 @@ unsigned long get_ins_imm_val(unsigned long ins_addr)
unsigned char *p;
struct prefix_bits prf;
int i;
unsigned long rv;
p = (unsigned char *)ins_addr;
p += skip_prefix(p, &prf);
p += get_opcode(p, &opcode);
for (i = 0; i < ARRAY_SIZE(imm_wop); i++)
if (imm_wop[i] == opcode) {
rv = IMM_WRITE;
if (imm_wop[i] == opcode)
goto do_work;
}
printk(KERN_ERR "mmiotrace: Not an immediate instruction, opcode "
"0x%02x\n", opcode);