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* Support for jemalloc

Browse source 
* qemu_mutex_lock_iothread "No such process" fix
 * cutils: qemu_strto* wrappers
 * iohandler.c simplification
 * Many other fixes and misc patches.
 
 And some MTTCG work (with Emilio's fixes squashed):
 * Signal-free TCG kick
 * Removing spinlock in favor of QemuMutex
 * User-mode emulation multi-threading fixes/docs
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Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging

* Support for jemalloc
* qemu_mutex_lock_iothread "No such process" fix
* cutils: qemu_strto* wrappers
* iohandler.c simplification
* Many other fixes and misc patches.

And some MTTCG work (with Emilio's fixes squashed):
* Signal-free TCG kick
* Removing spinlock in favor of QemuMutex
* User-mode emulation multi-threading fixes/docs

# gpg: Signature made Thu 10 Sep 2015 09:03:07 BST using RSA key ID 78C7AE83
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>"
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>"

* remotes/bonzini/tags/for-upstream: (44 commits)
  cutils: work around platform differences in strto{l,ul,ll,ull}
  cpu-exec: fix lock hierarchy for user-mode emulation
  exec: make mmap_lock/mmap_unlock globally available
  tcg: comment on which functions have to be called with mmap_lock held
  tcg: add memory barriers in page_find_alloc accesses
  remove unused spinlock.
  replace spinlock by QemuMutex.
  cpus: remove tcg_halt_cond and tcg_cpu_thread globals
  cpus: protect work list with work_mutex
  scripts/dump-guest-memory.py: fix after RAMBlock change
  configure: Add support for jemalloc
  add macro file for coccinelle
  configure: factor out adding disas configure
  vhost-scsi: fix wrong vhost-scsi firmware path
  checkpatch: remove tests that are not relevant outside the kernel
  checkpatch: adapt some tests to QEMU
  CODING_STYLE: update mixed declaration rules
  qmp: Add example usage of strto*l() qemu wrapper
  cutils: Add qemu_strtoull() wrapper
  cutils: Add qemu_strtoll() wrapper
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2015-09-14 16:13:16 +01:00
commit a2aa09e181
56 changed files with 2049 additions and 1043 deletions
Download patch file Download diff file Expand all files Collapse all files

3
target-i386/cpu.h
View file

@ -1318,6 +1318,9 @@ static inline MemTxAttrs cpu_get_mem_attrs(CPUX86State *env)
void cpu_set_mxcsr(CPUX86State *env, uint32_t val);
void cpu_set_fpuc(CPUX86State *env, uint16_t val);
/* mem_helper.c */
void helper_lock_init(void);
/* svm_helper.c */
void cpu_svm_check_intercept_param(CPUX86State *env1, uint32_t type,
uint64_t param);

25
target-i386/mem_helper.c
View file

@ -23,18 +23,37 @@
/* broken thread support */
static spinlock_t global_cpu_lock = SPIN_LOCK_UNLOCKED;
#if defined(CONFIG_USER_ONLY)
QemuMutex global_cpu_lock;
void helper_lock(void)
{
spin_lock(&global_cpu_lock);
qemu_mutex_lock(&global_cpu_lock);
}
void helper_unlock(void)
{
spin_unlock(&global_cpu_lock);
qemu_mutex_unlock(&global_cpu_lock);
}
void helper_lock_init(void)
{
qemu_mutex_init(&global_cpu_lock);
}
#else
void helper_lock(void)
{
}
void helper_unlock(void)
{
}
void helper_lock_init(void)
{
}
#endif
void helper_cmpxchg8b(CPUX86State *env, target_ulong a0)
{
uint64_t d;

2
target-i386/translate.c
View file

@ -7898,6 +7898,8 @@ void optimize_flags_init(void)
offsetof(CPUX86State, regs[i]),
reg_names[i]);
}
helper_lock_init();
}
/* generate intermediate code in gen_opc_buf and gen_opparam_buf for