mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-11-24 13:50:52 +07:00
Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6: [IA64] use generic compat_old_sys_readdir [IA64] pci_acpi_scan_root cleanup [IA64] Shrink shadow_flush_counts to a short array to save 8k of per_cpu area. [IA64] Remove sn2_defconfig.
This commit is contained in:
Linus Torvalds
commit
1fca254274
File diff suppressed because it is too large
Load Diff
@ -262,7 +262,7 @@ ia32_syscall_table:
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data8 sys_uselib
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data8 sys_swapon
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data8 sys_reboot
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data8 sys32_readdir
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data8 compat_sys_old_readdir
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data8 sys32_mmap /* 90 */
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data8 sys32_munmap
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data8 sys_truncate
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@ -276,13 +276,6 @@ typedef struct compat_siginfo {
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} _sifields;
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} compat_siginfo_t;
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struct old_linux32_dirent {
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u32 d_ino;
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u32 d_offset;
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u16 d_namlen;
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char d_name[1];
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};
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/*
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* IA-32 ELF specific definitions for IA-64.
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*/
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@ -1210,138 +1210,6 @@ sys32_settimeofday (struct compat_timeval __user *tv, struct timezone __user *tz
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return do_sys_settimeofday(tv ? &kts : NULL, tz ? &ktz : NULL);
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}
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struct getdents32_callback {
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struct compat_dirent __user *current_dir;
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struct compat_dirent __user *previous;
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int count;
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int error;
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};
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struct readdir32_callback {
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struct old_linux32_dirent __user * dirent;
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int count;
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};
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static int
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filldir32 (void *__buf, const char *name, int namlen, loff_t offset, u64 ino,
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unsigned int d_type)
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{
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struct compat_dirent __user * dirent;
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struct getdents32_callback * buf = (struct getdents32_callback *) __buf;
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int reclen = ROUND_UP(offsetof(struct compat_dirent, d_name) + namlen + 1, 4);
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u32 d_ino;
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buf->error = -EINVAL; /* only used if we fail.. */
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if (reclen > buf->count)
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return -EINVAL;
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d_ino = ino;
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if (sizeof(d_ino) < sizeof(ino) && d_ino != ino)
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return -EOVERFLOW;
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buf->error = -EFAULT; /* only used if we fail.. */
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dirent = buf->previous;
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if (dirent)
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if (put_user(offset, &dirent->d_off))
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return -EFAULT;
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dirent = buf->current_dir;
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buf->previous = dirent;
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if (put_user(d_ino, &dirent->d_ino)
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|| put_user(reclen, &dirent->d_reclen)
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|| copy_to_user(dirent->d_name, name, namlen)
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|| put_user(0, dirent->d_name + namlen))
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return -EFAULT;
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dirent = (struct compat_dirent __user *) ((char __user *) dirent + reclen);
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buf->current_dir = dirent;
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buf->count -= reclen;
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return 0;
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}
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asmlinkage long
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sys32_getdents (unsigned int fd, struct compat_dirent __user *dirent, unsigned int count)
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{
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struct file * file;
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struct compat_dirent __user * lastdirent;
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struct getdents32_callback buf;
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int error;
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error = -EFAULT;
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if (!access_ok(VERIFY_WRITE, dirent, count))
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goto out;
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error = -EBADF;
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file = fget(fd);
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if (!file)
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goto out;
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buf.current_dir = dirent;
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buf.previous = NULL;
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buf.count = count;
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buf.error = 0;
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error = vfs_readdir(file, filldir32, &buf);
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if (error < 0)
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goto out_putf;
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error = buf.error;
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lastdirent = buf.previous;
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if (lastdirent) {
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if (put_user(file->f_pos, &lastdirent->d_off))
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error = -EFAULT;
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else
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error = count - buf.count;
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}
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out_putf:
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fput(file);
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out:
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return error;
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}
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static int
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fillonedir32 (void * __buf, const char * name, int namlen, loff_t offset, u64 ino,
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unsigned int d_type)
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{
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struct readdir32_callback * buf = (struct readdir32_callback *) __buf;
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struct old_linux32_dirent __user * dirent;
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u32 d_ino;
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if (buf->count)
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return -EINVAL;
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d_ino = ino;
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if (sizeof(d_ino) < sizeof(ino) && d_ino != ino)
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return -EOVERFLOW;
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buf->count++;
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dirent = buf->dirent;
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if (put_user(d_ino, &dirent->d_ino)
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|| put_user(offset, &dirent->d_offset)
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|| put_user(namlen, &dirent->d_namlen)
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|| copy_to_user(dirent->d_name, name, namlen)
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|| put_user(0, dirent->d_name + namlen))
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return -EFAULT;
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return 0;
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}
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asmlinkage long
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sys32_readdir (unsigned int fd, void __user *dirent, unsigned int count)
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{
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int error;
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struct file * file;
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struct readdir32_callback buf;
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error = -EBADF;
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file = fget(fd);
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if (!file)
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goto out;
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buf.count = 0;
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buf.dirent = dirent;
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error = vfs_readdir(file, fillonedir32, &buf);
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if (error >= 0)
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error = buf.count;
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fput(file);
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out:
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return error;
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}
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struct sel_arg_struct {
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unsigned int n;
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unsigned int inp;
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@ -58,7 +58,7 @@ static struct local_tlb_flush_counts {
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unsigned int count;
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} __attribute__((__aligned__(32))) local_tlb_flush_counts[NR_CPUS];
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static DEFINE_PER_CPU(unsigned int, shadow_flush_counts[NR_CPUS]) ____cacheline_aligned;
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static DEFINE_PER_CPU(unsigned short, shadow_flush_counts[NR_CPUS]) ____cacheline_aligned;
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#define IPI_CALL_FUNC 0
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#define IPI_CPU_STOP 1
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@ -254,7 +254,7 @@ smp_local_flush_tlb(void)
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void
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smp_flush_tlb_cpumask(cpumask_t xcpumask)
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{
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unsigned int *counts = __ia64_per_cpu_var(shadow_flush_counts);
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unsigned short *counts = __ia64_per_cpu_var(shadow_flush_counts);
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cpumask_t cpumask = xcpumask;
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int mycpu, cpu, flush_mycpu = 0;
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@ -262,7 +262,7 @@ smp_flush_tlb_cpumask(cpumask_t xcpumask)
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mycpu = smp_processor_id();
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for_each_cpu_mask(cpu, cpumask)
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counts[cpu] = local_tlb_flush_counts[cpu].count;
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counts[cpu] = local_tlb_flush_counts[cpu].count & 0xffff;
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mb();
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for_each_cpu_mask(cpu, cpumask) {
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@ -276,7 +276,7 @@ smp_flush_tlb_cpumask(cpumask_t xcpumask)
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smp_local_flush_tlb();
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for_each_cpu_mask(cpu, cpumask)
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while(counts[cpu] == local_tlb_flush_counts[cpu].count)
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while(counts[cpu] == (local_tlb_flush_counts[cpu].count & 0xffff))
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udelay(FLUSH_DELAY);
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preempt_enable();
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@ -324,7 +324,6 @@ pcibios_setup_root_windows(struct pci_bus *bus, struct pci_controller *ctrl)
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struct pci_bus * __devinit
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pci_acpi_scan_root(struct acpi_device *device, int domain, int bus)
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{
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struct pci_root_info info;
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struct pci_controller *controller;
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unsigned int windows = 0;
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struct pci_bus *pbus;
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@ -346,22 +345,24 @@ pci_acpi_scan_root(struct acpi_device *device, int domain, int bus)
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acpi_walk_resources(device->handle, METHOD_NAME__CRS, count_window,
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&windows);
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if (windows) {
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struct pci_root_info info;
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controller->window =
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kmalloc_node(sizeof(*controller->window) * windows,
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GFP_KERNEL, controller->node);
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if (!controller->window)
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goto out2;
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name = kmalloc(16, GFP_KERNEL);
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if (!name)
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goto out3;
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sprintf(name, "PCI Bus %04x:%02x", domain, bus);
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info.controller = controller;
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info.name = name;
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acpi_walk_resources(device->handle, METHOD_NAME__CRS,
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add_window, &info);
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}
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name = kmalloc(16, GFP_KERNEL);
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if (!name)
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goto out3;
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sprintf(name, "PCI Bus %04x:%02x", domain, bus);
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info.controller = controller;
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info.name = name;
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acpi_walk_resources(device->handle, METHOD_NAME__CRS, add_window,
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&info);
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/*
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* See arch/x86/pci/acpi.c.
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* The desired pci bus might already be scanned in a quirk. We
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