xen/25860-tmem-cleanup.patch
Charles Arnold 17854f1c81 - Upstream patches from Jan
25833-32on64-bogus-pt_base-adjust.patch                                                                                                                
  25835-adjust-rcu-lock-domain.patch                                                                                                                     
  25836-VT-d-S3-MSI-resume.patch                                                                                                                         
  25850-tmem-xsa-15-1.patch                                                                                                                              
  25851-tmem-xsa-15-2.patch                                                                                                                              
  25852-tmem-xsa-15-3.patch                                                                                                                              
  25853-tmem-xsa-15-4.patch                                                                                                                              
  25854-tmem-xsa-15-5.patch                                                                                                                              
  25855-tmem-xsa-15-6.patch                                                                                                                              
  25856-tmem-xsa-15-7.patch                                                                                                                              
  25857-tmem-xsa-15-8.patch                                                                                                                              
  25858-tmem-xsa-15-9.patch                                                                                                                              
  25859-tmem-missing-break.patch                                                                                                                         
  25860-tmem-cleanup.patch                                                                                                                               
  25861-x86-early-fixmap.patch                                                                                                                           
  25862-sercon-non-com.patch                                                                                                                             
  25863-sercon-ehci-dbgp.patch                                                                                                                           
  25864-sercon-unused.patch                                                                                                                              
  25866-sercon-ns16550-pci-irq.patch                                                                                                                     
  25867-sercon-ns16550-parse.patch                                                                                                                       
  25874-x86-EFI-chain-cfg.patch                                                                                                                          
  25909-xenpm-consistent.patch

OBS-URL: https://build.opensuse.org/package/show/Virtualization/xen?expand=0&rev=201
2012-09-21 14:45:08 +00:00

107 lines
3.4 KiB
Diff

# HG changeset patch
# User Jan Beulich <jbeulich@suse.com>
# Date 1347365969 -7200
# Node ID e4cb8411161043c726f699252cc761e77853e820
# Parent 16e0392c6594b1757bbaa82076630a73d843229b
tmem: cleanup
- one more case of checking for a specific rather than any error
- drop no longer needed first parameter from cli_put_page()
- drop a redundant cast
Signed-off-by: Jan Beulich <jbeulich@suse.com>
Acked-by: Dan Magenheimer <dan.magenheimer@oracle.com>
--- a/xen/common/tmem.c
+++ b/xen/common/tmem.c
@@ -1468,7 +1468,7 @@ static NOINLINE int do_tmem_put_compress
pgp_free_data(pgp, pgp->us.obj->pool);
START_CYC_COUNTER(compress);
ret = tmh_compress_from_client(cmfn, &dst, &size, clibuf);
- if ( (ret == -EFAULT) || (ret == 0) )
+ if ( ret <= 0 )
goto out;
else if ( (size == 0) || (size >= tmem_subpage_maxsize()) ) {
ret = 0;
--- a/xen/common/tmem_xen.c
+++ b/xen/common/tmem_xen.c
@@ -97,7 +97,7 @@ static inline void *cli_get_page(tmem_cl
return NULL;
}
-static inline void cli_put_page(tmem_cli_mfn_t cmfn, void *cli_va, pfp_t *cli_pfp,
+static inline void cli_put_page(void *cli_va, pfp_t *cli_pfp,
unsigned long cli_mfn, bool_t mark_dirty)
{
ASSERT(0);
@@ -126,20 +126,20 @@ static inline void *cli_get_page(tmem_cl
}
*pcli_mfn = page_to_mfn(page);
- *pcli_pfp = (pfp_t *)page;
+ *pcli_pfp = page;
return map_domain_page(*pcli_mfn);
}
-static inline void cli_put_page(tmem_cli_mfn_t cmfn, void *cli_va, pfp_t *cli_pfp,
+static inline void cli_put_page(void *cli_va, pfp_t *cli_pfp,
unsigned long cli_mfn, bool_t mark_dirty)
{
if ( mark_dirty )
{
- put_page_and_type((struct page_info *)cli_pfp);
+ put_page_and_type(cli_pfp);
paging_mark_dirty(current->domain,cli_mfn);
}
else
- put_page((struct page_info *)cli_pfp);
+ put_page(cli_pfp);
unmap_domain_page(cli_va);
}
#endif
@@ -188,7 +188,7 @@ EXPORT int tmh_copy_from_client(pfp_t *p
else if ( len )
rc = -EINVAL;
if ( cli_va )
- cli_put_page(cmfn, cli_va, cli_pfp, cli_mfn, 0);
+ cli_put_page(cli_va, cli_pfp, cli_mfn, 0);
unmap_domain_page(tmem_va);
return rc;
}
@@ -221,7 +221,7 @@ EXPORT int tmh_compress_from_client(tmem
ASSERT(ret == LZO_E_OK);
*out_va = dmem;
if ( cli_va )
- cli_put_page(cmfn, cli_va, cli_pfp, cli_mfn, 0);
+ cli_put_page(cli_va, cli_pfp, cli_mfn, 0);
return 1;
}
@@ -259,7 +259,7 @@ EXPORT int tmh_copy_to_client(tmem_cli_m
rc = -EINVAL;
unmap_domain_page(tmem_va);
if ( cli_va )
- cli_put_page(cmfn, cli_va, cli_pfp, cli_mfn, 1);
+ cli_put_page(cli_va, cli_pfp, cli_mfn, 1);
mb();
return rc;
}
@@ -286,7 +286,7 @@ EXPORT int tmh_decompress_to_client(tmem
ASSERT(ret == LZO_E_OK);
ASSERT(out_len == PAGE_SIZE);
if ( cli_va )
- cli_put_page(cmfn, cli_va, cli_pfp, cli_mfn, 1);
+ cli_put_page(cli_va, cli_pfp, cli_mfn, 1);
else if ( copy_to_guest(clibuf, scratch, PAGE_SIZE) )
return -EFAULT;
mb();
@@ -310,7 +310,7 @@ EXPORT int tmh_copy_tze_to_client(tmem_c
memcpy((char *)cli_va,(char *)tmem_va,len);
if ( len < PAGE_SIZE )
memset((char *)cli_va+len,0,PAGE_SIZE-len);
- cli_put_page(cmfn, cli_va, cli_pfp, cli_mfn, 1);
+ cli_put_page(cli_va, cli_pfp, cli_mfn, 1);
mb();
return 1;
}