git: e70ce8d3ae1b - stable/13 - amd64: remove useless addr2 variables in page range invalidation handlers
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Date: Thu, 13 Oct 2022 04:46:10 UTC
The branch stable/13 has been updated by kib:
URL: https://cgit.FreeBSD.org/src/commit/?id=e70ce8d3ae1ba3d73e8efe833c941cda6a3bcf5a
commit e70ce8d3ae1ba3d73e8efe833c941cda6a3bcf5a
Author: Konstantin Belousov <kib@FreeBSD.org>
AuthorDate: 2022-10-08 08:33:11 +0000
Commit: Konstantin Belousov <kib@FreeBSD.org>
CommitDate: 2022-10-13 04:46:02 +0000
amd64: remove useless addr2 variables in page range invalidation handlers
(cherry picked from commit 273d0715f6b168ab7be6e79a768d97fbdea81c8d)
---
sys/amd64/amd64/mp_machdep.c | 19 ++++++++-----------
1 file changed, 8 insertions(+), 11 deletions(-)
diff --git a/sys/amd64/amd64/mp_machdep.c b/sys/amd64/amd64/mp_machdep.c
index a13099981690..5e94ba822871 100644
--- a/sys/amd64/amd64/mp_machdep.c
+++ b/sys/amd64/amd64/mp_machdep.c
@@ -902,7 +902,7 @@ invlpg_pcid_handler(pmap_t smp_tlb_pmap, vm_offset_t smp_tlb_addr1)
static void
invlrng_handler(vm_offset_t smp_tlb_addr1, vm_offset_t smp_tlb_addr2)
{
- vm_offset_t addr, addr2;
+ vm_offset_t addr;
#ifdef COUNT_XINVLTLB_HITS
xhits_rng[PCPU_GET(cpuid)]++;
@@ -912,11 +912,10 @@ invlrng_handler(vm_offset_t smp_tlb_addr1, vm_offset_t smp_tlb_addr2)
#endif /* COUNT_IPIS */
addr = smp_tlb_addr1;
- addr2 = smp_tlb_addr2;
do {
invlpg(addr);
addr += PAGE_SIZE;
- } while (addr < addr2);
+ } while (addr < smp_tlb_addr2);
}
static void
@@ -924,7 +923,7 @@ invlrng_invpcid_handler(pmap_t smp_tlb_pmap, vm_offset_t smp_tlb_addr1,
vm_offset_t smp_tlb_addr2)
{
struct invpcid_descr d;
- vm_offset_t addr, addr2;
+ vm_offset_t addr;
#ifdef COUNT_XINVLTLB_HITS
xhits_rng[PCPU_GET(cpuid)]++;
@@ -934,11 +933,10 @@ invlrng_invpcid_handler(pmap_t smp_tlb_pmap, vm_offset_t smp_tlb_addr1,
#endif /* COUNT_IPIS */
addr = smp_tlb_addr1;
- addr2 = smp_tlb_addr2;
do {
invlpg(addr);
addr += PAGE_SIZE;
- } while (addr < addr2);
+ } while (addr < smp_tlb_addr2);
if (smp_tlb_pmap == PCPU_GET(curpmap) &&
smp_tlb_pmap->pm_ucr3 != PMAP_NO_CR3 &&
PCPU_GET(ucr3_load_mask) == PMAP_UCR3_NOMASK) {
@@ -949,7 +947,7 @@ invlrng_invpcid_handler(pmap_t smp_tlb_pmap, vm_offset_t smp_tlb_addr1,
do {
invpcid(&d, INVPCID_ADDR);
d.addr += PAGE_SIZE;
- } while (d.addr < addr2);
+ } while (d.addr < smp_tlb_addr2);
}
}
@@ -957,7 +955,7 @@ static void
invlrng_pcid_handler(pmap_t smp_tlb_pmap, vm_offset_t smp_tlb_addr1,
vm_offset_t smp_tlb_addr2)
{
- vm_offset_t addr, addr2;
+ vm_offset_t addr;
uint64_t kcr3, ucr3;
uint32_t pcid;
@@ -969,18 +967,17 @@ invlrng_pcid_handler(pmap_t smp_tlb_pmap, vm_offset_t smp_tlb_addr1,
#endif /* COUNT_IPIS */
addr = smp_tlb_addr1;
- addr2 = smp_tlb_addr2;
do {
invlpg(addr);
addr += PAGE_SIZE;
- } while (addr < addr2);
+ } while (addr < smp_tlb_addr2);
if (smp_tlb_pmap == PCPU_GET(curpmap) &&
(ucr3 = smp_tlb_pmap->pm_ucr3) != PMAP_NO_CR3 &&
PCPU_GET(ucr3_load_mask) == PMAP_UCR3_NOMASK) {
pcid = smp_tlb_pmap->pm_pcids[PCPU_GET(cpuid)].pm_pcid;
kcr3 = smp_tlb_pmap->pm_cr3 | pcid | CR3_PCID_SAVE;
ucr3 |= pcid | PMAP_PCID_USER_PT | CR3_PCID_SAVE;
- pmap_pti_pcid_invlrng(ucr3, kcr3, smp_tlb_addr1, addr2);
+ pmap_pti_pcid_invlrng(ucr3, kcr3, smp_tlb_addr1, smp_tlb_addr2);
}
}